Re: [Dorset] Next Meeting - One Week Tonight

2024-02-27 Thread Andrew via dorset

On 27/02/2024 10:30, Ralph Corderoy wrote:

Peter emailed the list saying it looked like last month's meeting didn't
happen.  Andrew told me privately that he turned up, no one else did, so
he left.  When I popped in later, Clive, Hamish, and Hugh were present.


Yes, I was there. I was told that I had to wait. After a few minutes I 
re-loaded the page and was told the same thing. I was there from around 
20:00 until after Peter's e-mail as I saw that come in while I was 
waiting. It didn't say if there was anyone else there or not, or give 
any useful information at all. I think was there for 20 minutes and 
nothing happened.


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Re: [Dorset] Is "dd" adequate for cloning a disk?

2023-10-30 Thread Andrew
To add to what Ralph said, if the disk uses GUID Partition Table (GPT) 
then after the clone the backup GPT - which was at the end of the 
original disk - will now be in the middle. GParted should detect and fix 
this automatically, otherwise gdisk can do it.


You could use Clonezilla instead of dd, which is designed for the task, 
although you'll still have to expand the partition with something like 
GParted afterwards.

https://clonezilla.org/

Clonezilla is faster as it only clones areas of the filesystems which 
actually contain data, but that probably doesn't matter for a one-off clone.


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Re: [Dorset] USB connected 3.5 floppy drives

2022-08-24 Thread Andrew

On 21/08/2022 13:36, Tim wrote:
I have a load of 3.5" floppy disk I want copy a load of old data, with 
no PC with a floopy drive. So looking at getting a 3.5" usb floppy 
drive. When looking at one is there any special to look for, they all 
say windows and Mac OS compatible but no mention of Linux, will they 
just plug and play on linux? Currently running Mint


Yes they should work fine. I believe they follow USB mass storage device 
standards, or something similar.


However, they can only read/write IBM formatted disks (720k/1.44M). They 
can't do eg. Acorn RISC OS disks.
If you need to read non-IBM disks there are other USB devices you can 
use, but they are more complicated.


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Re: [Dorset] Electricity power usage

2022-07-09 Thread Andrew

On 09/07/2022 09:53, Peter Merchant wrote:
Total standby power of devices in the house  = 28.5 watts  This is 
sort of  invalid because the monitors on my 2 tower PC's are on a 
switch that turns them off when the PC is off so their standby power 
is less then. Also the meter seemed to register in increments of 0.5 
watts.


That's not a lot for a whole house, is it?
At work we have a server which - from memory - used 30 or 40 watts when 
in standby.


So just my thoughts on saving some money. A rough calculation gives a 
cost of £62.5  per year keeping the house on standby.


I don't think it's quite that simple. That 'waste' energy will be 
heating the house, so in winter (or, most of the year here) it will be 
turning your heating off sooner. Assuming of course you have good 
insulation and thermostats. So it's the difference in cost of 28.5 watts 
of electricity vs. gas, oil, wood, penguins, coal or whatever you use to 
heat the house.


It always amused me how many people replaced the light bulbs inside 
their house with the energy savering ones but would completely ignore 
the lights outside where all the heat was wasted.


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Re: [Dorset] Links from Jitsi meeting 6/7/2022

2022-07-06 Thread Andrew

On 06/07/2022 11:24, Hamish McIntyre-Bhatty wrote:

https://en.wikipedia.org/wiki/QuickTime_VR.

Andrew, what was the command you used to get the JPG files? I might 
update this wikipedia page with that information unless you want to. 


I found out that mpv could "play" the file as a slide-show of its 
component images. mpv can also save images, so I told it to do that:


mpv -vo image in.mov

This created 0001.jpg to 0216.jpg.

It looks like the contents of the file is 6 images (making up a cube?). 
I would call them:

Front
Right
Back
Left
Top
Bottom

Each of these is split into 6×6 segments, which adds up to 216 images. 
(eg. Front is 0001.jpg to 0036.jpg)


Now I need to figure out the correct incantation to make GraphicsMagick 
combine them all without resizing or adding borders...


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Re: [Dorset] Problem Mounting Memory Stick on Raspberry Pi

2021-11-28 Thread Andrew

On 28/11/2021 13:30, Terry Coles wrote:

pi@minster-music:~ $ sudo mount/dev/sda1 /media/usb/  -o uid=pi,gid=pi


Is it because the uid and gid options don't apply to EXT2?

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Re: [Dorset] USB floppy drive controller

2021-11-05 Thread Andrew

On 05/11/2021 19:42, Hamish McIntyre-Bhatty wrote:
Yeah, I'd need a case w/ a PSU or something for a 5.25" drive. That 
would be fun. Gotta love old power supplies :/


I might not do it, but it's a nice idea for future posterity - these 
drives aren't gonna get any more common. And it's better than using a 
486 PC or something because it can read more formats. So the 
fluxengine software works with the Greaseweazle okay too then? 


Yes:
https://cowlark.com/fluxengine/doc/greaseweazle.html

I haven't got a case for the drive to go in, that's far too posh.
Actually there are some 3D printable ones to fit a both drive and 
Greaseweazle board, but they are larger than I can print.


It might be possible to get a small 5V + 12V PSU (rather than an old ATX 
one) - the current draw isn't going to be huge. Or perhaps a second USB 
cable with a USB-PD module in 12V mode for super-modern-ness!


The Fluxengine is software, hardware and firmware - although the 
hardware is a dev board only programmable from Windows, so that's of no 
interest.

Greaseweazle is also software, hardware and firmware.

I use the Greaseweazle hardware with both Fluxengine and Greaseweazle 
software, depending on what I'm doing. Fluexngine for reading, 
Greaseweazle for everything else. 'gw clean' is useful. It moves the 
head back and forwards a few times.


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Re: [Dorset] USB floppy drive controller

2021-11-05 Thread Andrew

Yes, it was me. Another link for you:

https://github.com/keirf/Greaseweazle

It cost me a whole £21 for a Greaseweazle:
https://www.ebay.co.uk/sch/zeroflux/m.html

Plus about 50p for a 3D-printed case for it.

I already had floppy drives, floppy cables, cleaning disks and IPA. I've 
also got cotton buds in case I wear out the cleaning disk.


I think it might be possible to get a power cable to power a 90mm floppy 
drive from the Greaseweazle, but I don't have one of them, I put 
together a PSU from some 5V plug-in PSU I had and soldered a floppy 
connector on to it which I cut off of an old PC PSU.


The 5.25"inch drives also need 12V. I think the 8"inch drives need 24V, 
but I've only ever seen one of them ever.


I should probably do more data recovery, I can read so many formats of 
disk now. (But not 250 MB Zip disks, of which I have one. I have no idea 
where it came from or what's on it!)


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Re: [Dorset] Wireless dropping out

2021-02-14 Thread Andrew

On 14/02/2021 08:49, PeterMerchant wrote:

I nearly bought one of these Wifi double sockets with USB point

https://www.screwfix.com/p/lap-13a-2-gang-sp-switched-wi-fi-extender-2-1a-1-outlet-usb-charger-white/988fv 



except that I then thought of the cost of having an electrician in to 
fit it or approve the work.  Years ago I would have just done it. Now 
I have lost one of the sockets in my kitchen for the extender - it was 
only used for a USB charger anyway.


Does anyone have any experience of these?  I was a bit concerned about 
the wifi coverage as that is what I needed it for.


So they've taken an electrical socket, a USB type A socket, a USB power 
supply with decent electrical isolation and a WLAN access point and 
shoe-horned all of them into a double socket with switches and haven't 
compromised the safety of any of that, and can make it for less than £17.24?


At least they do say it's only 15 metres range. I wonder if that's 15 
metres in a plastic back-box in plasterboard, or in a metal back-box in 
a brick wall?


For something which will be in the house for presumably at least 10 
years, I'd want dual band and the latest WLAN standard, which seems to 
be 802.11ax at the moment. (Actually I'd want 60 GHz as well.) I would 
also want it to run OpenWRT so I don't have to worry when the 
manufacturer stops supporting it.


Having seen tear-downs of cheap USB power supplies, I would also want to 
test the electrical separation of the 5 V power supply in it. Having a 
brand name on it, this one will probably have more than one layer of 
varnish between the mains and USB chassis. It should have two layers of 
varnish and a few layers of tape.


Could you hide a WLAN access point on top of a cupboard? Perhaps plugged 
in to a mains double-adapter with 13 A fuse, so you can plug something 
else in to the socket as well?


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Re: [Dorset] Microsoft on Raspberry Pi

2021-02-06 Thread Andrew
Possibly not. I haven't upgraded as the one program I use on that 
machine doesn't have a package for Raspbian Buster.
Looks like there might be an Ubuntu PPA for it though, so I'll have to 
give that a go at some point.

Ubuntu Server 64-bit will run perfectly with 1 GB RAM, right?

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On 06/02/2021 16:08, Hamish McIntyre-Bhatty wrote:

Is Raspbian stretch still supported?

Last I heard they don't really support anything except the latest
version of Raspbian.



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Re: [Dorset] Router Wifi configs

2021-02-06 Thread Andrew
The SSID/key can be the same on any/all WLAN bands. (There's 60 GHz too 
now, apparently.)
All the wireless networks I deal with have the same SSID and key on 2.4 
GHz and 5 GHz. This includes a place with more than 10 WAPs all on the 
same network.


Old WLAN devices did have problems handing off to a different access 
point with the same SSID, but that was years ago, before 5 GHz existed.


As Ralph said, having the same SSID and key on 2.4 GHz and 5 GHz allows 
band steering. This appears to usually mean that the access point will 
get wireless clients to prefer 5 GHz as there is more bandwidth there 
and the signals generally travel less far, which means greater frequency 
re-use and more bandwidth for everyone.


I would assume that when 60 GHz devices become popular, band steering 
will prefer 60 GHz as the bandwidth there is huge, and the coverage is 
in the region of 10 metres.


I've also got a few WAPs set up with 2.4 GHz and 5 GHz using both WPA2 
and WPA3, all on the same SSID and key. That seems to work fine too.


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Re: [Dorset] Microsoft on Raspberry Pi

2021-02-06 Thread Andrew
I can confirm that this problem does exist with Raspbian Buster, even on 
the lite version:


Preparing to unpack .../14-raspberrypi-sys-mods_20210125_armhf.deb ...
Unpacking raspberrypi-sys-mods (20210125) over (20201026) ...
Setting up raspberrypi-sys-mods (20210125) ...
Adding vscode repo...


$ cat /etc/apt/sources.list.d/vscode.list
### THIS FILE IS AUTOMATICALLY CONFIGURED ###
# You may comment out this entry, but any other modifications may be lost.
deb [arch=amd64,arm64,armhf] http://packages.microsoft.com/repos/code 
stable main


/etc/apt/trusted.gpg.d/microsoft.gpg got created.

The problem doesn't seem to exist on Raspbian Stretch, at least not yet.

Microsoft bought GitHub. Or "Microsoft GitHub" as it should be called 
now. I don't think they can buy Git its self as it is open-source software.


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Re: [Dorset] Loss of OS during upgrade

2020-09-02 Thread Andrew

On 02/09/2020 17:19, C Wills wrote:
From a 'live disk' would like to copy sda3 to another disk (USB 160Gb 
with 2 partitions - sdb1=NTFS and sdb2= Ext4 140Gb) before trying to 
re-install and ignoring the warnings!.

BUT
I can only copy sda3 to any /other/ location (sdb2) by becoming 'Root' 
and when I've done this before I've ended up with all Directories and 
files being 'Owned' by Root and lost 'my' ownership.


How can I copy sda3 to sdb2 using a 'live disk' conserving all 
properties..  All programs I've got don't seems to allow this. I'm 
normally a GUI user not terminal user unless I have a command to copy 
exactly, any help please?


Both cp and rsync have the option --archive (or -a) which sets a few 
other options, including preserving ownership.
They both also have a --verbose (or -v) option, which you might want to 
use as well to see what's going on.


cp -av /from/ /to/

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Re: [Dorset] Duplicating uSD cards

2020-06-15 Thread Andrew
I've just remembered, for a Raspberry Pi you don't need to duplicate the 
entire contents of the µSD card - you can create a new partition table 
and filesystems (FAT32 for boot, EXT4 for root) on the blank µSD card 
and copy everything using regular file copy commands.
You might need to edit what will become /etc/fstab to update the UUID of 
the new root filesystem. (And any other filesystems it needs to mount.)


The Raspberry Pi bootloader knows how to read a partition table and 
FAT32 filesystem to load the kernel, so there's no magic hidden data on 
the disk like with IBM PC-BIOS type booting.


The same goes for UEFI system bootloaders - they understand partition 
tables and filesystems.


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Re: [Dorset] Help with foreign versions of letters

2020-05-23 Thread Andrew

I can type ö by pressing AltGr+[, then letting go, then pressing 'o'.
If you press AltGr+[ twice then it will show you just the combining 
character it'll add, eg: ¨.


There's lots of other combining and otherwise useful characters around 
that area of the keyboard you can use with AltGr or AltGr+Shift. Unlike 
any other key combination, you have to hold AltGr first, then Shift - 
you can't hold Shift first.


AltGr+; e = é
AltGr+Shift+0 = °

You can enter any Unicode code-point (in most programs) by pressing 
Ctrl+Shift+U then typing the Unicode code-point number in hex.


For Ø or ø you can use U+00D8 or U+00F8. (You don't need to type the 
leading zeros.)


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On 23/05/2020 17:11, PeterMerchant via dorset wrote:
Hi can anyone advise how I get foreign (Norwegian) variants of letters 
in UK linux? I need the o with two dots and the o with a line through 
it.  Of course it could be a limitation of my family history program 
(Gramps)  that it doesn't like  Alt 0248.



Cheers Peter





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Re: [Dorset] BOINC Statistics

2020-03-31 Thread Andrew

On 31/03/2020 23:24, Patrick Wigmore wrote:

Meanwhile, it looks the Rosetta@home job queue has run completely dry
and my machine has run out of jobs to process, though over a million
jobs are still being processed by other clients.


From here:
https://boinc.bakerlab.org/rosetta/server_status.php

Users registered in past 24 hours: 1005
Computers registered in past 24 hours: 17848

That's a lot of computers!

I have a couple of computers which were only running Rosetta@home. One 
still has tasks, one had run out.
They are now on World Community Grid as well, so they can continue to do 
useful science.
I can see the Resource Share in the GUI BOINC Manager per project, but I 
haven't figured out how to change it yet...


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Re: [Dorset] OpenWRT

2019-02-10 Thread Andrew
I suspect the router would need to decrypt the wireless key if it were 
encrypted, so the configuration would have to have all the details 
required to decrypt it. I'm not sure I'd worry too much about people 
getting access to my WLAN key if they already have root access to the 
router.


I doubt any non-OpenWRT routers are better. BT routers for example have 
the wireless key stored in plain text on a sticker on the router. Then 
there's those routers where the default SSID and key are based on the 
MAC address... which it broadcasts!


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Re: [Dorset] Linksys WRT1900ACS

2018-12-03 Thread Andrew

I don't have one, but apparently it's supported by OpenWRT.

https://openwrt.org/toh/hwdata/linksys/linksys_wrt1900acs_v1

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Re: [Dorset] Thunderbird profiles

2018-08-10 Thread Andrew

On 10/08/18 21:44, Tim wrote:
I am pretty sure deleting or removing current profile folder 
.Thunderbird, normally found in the users home folder, Thunderbird 
should recreate one when it next launches.

It should do, however:

thunderbird -P

This will make Thunderbird open the profile manager where you can chose 
which profile to use and create a new one.


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Re: [Dorset] Centering Text Using CSS

2018-07-12 Thread Andrew

On 12/07/18 13:53, Terry Coles wrote:
As you can see; I am learning this as I go along and it doesn't help 
when I do

something that is illegal, but it appears to (mostly) work.

I got there in the end.



HTML can be validated automatically, which really helps with learning.

https://validator.w3.org/
https://validator.w3.org/nu/?doc=http%3A%2F%2Fwww.hadrian-way.co.uk%2FWMT_Webserver%2FWMT%2F

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Re: [Dorset] Centering Text Using CSS

2018-07-12 Thread Andrew

What's the  tag? I've not heard of that before.

What you want is probably:
margin-left: auto;
margin-right: auto;

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Re: [Dorset] dorset Digest, Vol 732, Issue 1

2018-06-05 Thread Andrew

On 05/06/18 17:32, Ron wrote:

Where is the Broadway pub?


https://www.openstreetmap.org/?mlat=50.75447=-1.85693#map=17/50.75447/-1.85693

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Re: [Dorset] Problems in installing dmx4linux

2018-01-29 Thread Andrew

On 29/01/18 14:51, Charles B. Upton wrote:
Running AmDram in the village and the pantomime imminent, and we have 
run out of channels using a mechanical stage lighting controller (DMX) 
I decided some time back to install QLC+ which is open source highly 
recommended lighting desk. I installed it with the appropriate drive 
(DMX4Linux) on a an oldish tablet +Ubuntu, quite succesfully and tried 
it out on two lights. I then parked it whilst  doing other things.
I opened it up last w/e and all the USB ports have died on the tablet 
- so back to square 1.
I have tried installing (QLC+ is fine - it is the USB-DMX driver is 
the problem).
I have tried installing it on Linux Mint 17 both 32 bit and 64 bit and 
can't get anywhere. The latest version is dated 2008 but it seems the 
problem is linking with the kernel.
Has anyone else had experience with this or knows of a more amenable 
driver. The hardware interface is EnTTEC 'OPENDMX USB'.




Hi,

I've got the same device and I've used it with QLC+ in Ubuntu. I made it 
work by simply plugging it in and using it... I don't believe DMX4Linux 
was involved at all. It appears in QLC+ Inputs/Outputs as:

DMX USB 1: FT232R USB UART (S/N: AB1234AB)

In lsusb it appears as:
Bus 003 Device 008: ID 0403:6001 Future Technology Devices 
International, Ltd FT232 USB-Serial (UART) IC


Looking inside the box, it really only contains two chips, FT232RL (USB 
UART) and 75176B (balanced line driver).
Regardless what the price might suggest, to the computer it's just a USB 
serial port. QLC+ has drivers to talk to it directly.


I believe the more complex and expensive DMX interfaces also have at 
least 512 bytes of RAM, so they can keep sending out the 'regular' 
(start code 0) lighting data without the computer having to send it via 
USB many times per second. This of course increases the price considerably.


QLC+ has an option (on the Inputs/Outputs screen) for supporting USB 
hotplugging. This appears to be turned off by default. When QLC+ is 
started with that option enabled, you'll see the device appear in the 
list as it's plugged in.


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Re: [Dorset] Using Two USB Audio Adaptors and Selecting the Right One Programatically

2018-01-14 Thread Andrew

I've just re-read your forum post and can see your output of 'aplay -l'.

So you have:
Internal (I guess it's internal):
hw:0,0
HDMI 0:
hw:2,3
HDMI 1:
hw:2,7
USB:
hw:3,0
USB:
hw:4,0

It would be nice if the output of aplay -l actually showed these rather 
than having the know how to put them together!
I believe it's possible to specify the subdevice with another comma, if 
needed.


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Re: [Dorset] Using Two USB Audio Adaptors and Selecting the Right One Programatically

2018-01-14 Thread Andrew

On 14/01/18 17:13, Terry Coles wrote:
I have used both aplay -l and aplay -L, but neither help. Here is a 
couple of

segments from the relevant output for the two devices:



sysdefault:CARD=Device
 USB PnP Sound Device, USB Audio
 Default Audio Device

..

plughw:CARD=Device,DEV=0
 USB PnP Sound Device, USB Audio
 Hardware device with all software conversions


sysdefault:CARD=Device_1
 USB PnP Sound Device, USB Audio
 Default Audio Device
front:CARD=Device_1,DEV=0



plughw:CARD=Device_1,DEV=0
 USB PnP Sound Device, USB Audio
 Hardware device with all software conversions


As you can see, the only difference between the two entries is the _1 after
Card=Device.  That doesn't tie up with the ID Numbers in lsusb either.

Of course, if I knew the name of the device that was connected to the channel
that I wanted, then aplay -D might be useful.  :-)



The IDs in lsusb won't help, they are the vendor ID and device ID for 
that type of card, not that instance in your machine.


It looks like aplay -D can use the whole device string, eg. 
"plughw:CARD=Device,DEV=0" but mpg123 can't...


I've done some more experimenting and I can see how to do it... I think...
First list devices with 'aplay -l' (lowercase). On here I get this:

card 0: PCH [HDA Intel PCH], device 0: ALC887-VD Analog [ALC887-VD Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 2: Device [USB Sound Device], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

There's three cards here, and each has one device.
The middle one (HDMI), is card 1, device 3. I can play through that with:
mpg123 -o alsa -a hw:1,3 /path/to/audio

Or if I want the USB device:
mpg123 -o alsa -a hw:2,0 /path/to/audio

If I wanted the internal card that would be hw:0,0, but there's nothing 
plugged in to it right now... :)


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Re: [Dorset] Using Two USB Audio Adaptors and Selecting the Right One Programatically

2018-01-14 Thread Andrew

Hi Terry,

On 14/01/18 11:27, Terry Coles wrote:

Everything in the garden was lovely until the 12 V (Audio Amp) PSU Brick failed 
in August
and the replacement turned out to be noisy.  There was always a bit of a hum 
loop, but it
was acceptable until the extra noisy PSU came along.


Ideally you want a balanced audio output. I would give you a link to the 
USB to XLR audio device I bought many years ago, but I can't seem to 
find them any more! There's lots around with a single input but the one 
I got has two inputs and two outputs.
There is this for the Raspberry Pi, however I'm not sure if you can have 
more than one on the same machine:


https://www.hifiberry.com/shop/boards/hifiberry-dac-pro-xlr/

Then you'd need a balanced amplifier and cables, and that should get rid 
of any hum at all.



I managed to obtain a couple of USB Audio Adaptors with a different ID string 
to the
original ones, so I thought that we could revert to plan A.  However, I can't 
work out how
to identify the channel from the info available from lsusb, aplay -l and dmesg.
I think you want 'aplay -L', not 'aplay -l'. Then you'll see the device 
names, something like "plughw:CARD=Device,DEV=0".


From the man page:

   -l, --list-devices
  List all soundcards and digital audio devices

   -L, --list-pcms
  List all PCMs defined

   -D, --device=NAME
  Select PCM by name

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Re: [Dorset] UEFI help

2017-08-20 Thread Andrew

On 20/08/17 18:03, greg oconnell via dorset wrote:

Can I be confident that if I disable the secure boot that both Win 10 and Linux 
will run?

That should be all that's needed.
Ubuntu even has signed EFI binaries so they work with SecureBoot and 
Microsoft's public key. I'm not sure if Linux Mint has that.


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Re: [Dorset] A New Wimborne Model Town Project Query - Sensing Water Levels and Flow

2017-05-03 Thread Andrew

On 03/05/17 11:05, Terry Coles wrote:

As I mentioned at last night's meeting, we are currently considering a solution 
based on
measuring the air pressure in a pipe that is connected to the bottom of the 
butt.
In case you didn't already know, 'digital' versions of these are 
available quite easily and probably cheap, or free. They are used in 
most if not all washing machines and dish washers. The one I've looked 
at recently has a screw for pressure adjustment. You could get hold of 
at least two of them (one for "too high" and one for "too low") and 
connect them to GPIO pins if exact water height doesn't matter.


If the problem is making sure the water is pumped from the lower tank to 
the header tank, but the pump is turned off when the header tank is full 
or the lower tank is empty then there's some quite simple ways to do 
that. But they don't require a computer so aren't perhaps technical 
enough for this list. :)


Also, I wrote my last e-mail before I had looked at the Wimbourne Model 
Village web site. I imagined it would be indoors and a lot smaller than 
it is!


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Re: [Dorset] A New Wimborne Model Town Project Query - Sensing Water Levels and Flow

2017-05-02 Thread Andrew

Hi Terry,

It looks like the real rivers are being monitored in at least two places:

https://www.riverlevels.uk/river-stour-oakley-wimborne
https://www.riverlevels.uk/river-allen-colehill-walford-mill

As a model town I would be tempted to find out how they are doing that 
level monitoring and then make a miniature version in the correct places 
on the model.


Is the monitoring just to control the river flow? Does it need to be 
more complicated than a header tank and a valve for each river entry 
point to control the flow rate?


Once you collect the water at the end of the river it can then be pumped 
up to the header tank until it is full.


For extra complexity, get the water level of the real rivers from 
wherever the above web site gets its data and adjust the levels of the 
model rivers accordingly...


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Re: [Dorset] New Kiosk Project

2017-04-28 Thread Andrew

Hi Tim,

Totally ignoring your want to use Debian... :)

I've not got any Linux kiosks running in the wild yet, but I keep 
meaning to make one to replace a Windows machine...


I found Porteus Kiosk a while ago and have been meaning to try it:
http://porteus-kiosk.org/

So when I read your message I decided to download and install Porteus 
Kiosk to give it a go. It does seem fairly simple. There's quite a few 
options, but it seems easy to set it up to only allow access to one web 
site so I think it'll do what you want.


The installer creates a text configuration file. You might want to get a 
separate USB stick ready to store the configuration file on, so you can 
edit/re-install with it at a later date.


You can install it to a hard disk, possibly to a USB stick although I 
haven't tried that. If you want the kiosk browser machine to be running 
for a long time (eg. on all day for many years) then you might want to 
use an SSD rather than a hard disk, just because hard disks have a 
tendency to suffer mechanical failure. I suspect Porteus doesn't write 
to the disk at all after it's booted, but I haven't actually checked 
that yet.


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Re: [Dorset] Kubuntu 16.10 -> 17.04 Update/Upgrade Issue

2017-04-19 Thread Andrew Montgomery-Hurrell
Looks like you added a ppa once for kokoto-java and that ppa no longer
exists, or at least doesn't have any packages/release information for
Ubuntu Yakkety. You can figure out what you installed from that PPA via the
Ubuntu Software Centre:
https://askubuntu.com/questions/5976/how-can-i-list-all-packages-ive-installed-from-a-particular-repository

If you haven't installed anything, or don't care about the software you did
install (in which case you can uninstall it to be safer), you can remove
that ppa ( https://askubuntu.com/questions/307/how-can-ppas-be-removed )
and upgrade just fine. In fact, usually the GUI updater disables PPAs
anyway, so you'll just be doing that step yourself manually.

On Wed, 19 Apr 2017 at 10:21 Terry Coles  wrote:

> On Wednesday, 19 April 2017 10:16:02 BST you wrote:
> > Hi,
> >
> > My copy of Kubuntu 16.10 (and earlier versions) has always had an issue
> with
> > the graphical update tool (it never notices that there are any).  This
> is a
> > known bug which the Kubuntu team seem unable to fix (they did once then
> > changed the updater and broke it again).
> >
> > As a result of this, I have been in the habit of running the 'sudo
> apt-get
> > update' / 'sudo apt- get distro-upgrade' combo on a routine basis.  Since
> > 17.04 was released I get the following at the end of the apt-get update
> > stage of the process:
> >
> > Reading package lists... Done
> >
> > I've searched the Kubuntu Forums and found nothing.  Has anyone else seen
> > this?  What does it mean?
> >
> > I'm loathe to go for a full upgrade while I'm getting this message.
>
>
> H.  What happened to the messages.  Second try.
>
> Reading package lists... Done
> W: The repository '
> http://ppa.launchpad.net/kokoto-java/omgubuntu-stuff/ubuntu
> yakkety Release' does not have a Release file.
> N: Data from such a repository can't be authenticated and is therefore
> potentially dangerous to use.
> N: See apt-secure(8) manpage for repository creation and user configuration
> details.
> E: Failed to fetch http://ppa.launchpad.net/kokoto-java/omgubuntu-stuff/
> ubuntu/dists/yakkety/main/binary-amd64/Packages
> 
> 404  Not Found
> E: Some index files failed to download. They have been ignored, or old ones
> used instead.
>
> --
>
>
>
> Terry Coles
>
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Re: [Dorset] Ubuntu 16.04 no wifi

2017-03-08 Thread Andrew

On 06/03/17 10:33, Peter wrote:

On 05/03/17 19:56, Andrew wrote:


Hard blocked means you need to press a button.

--

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Thanks Andrew

rfkill list gives
acer-wireless: Wireless LAN Yes.
I tried rfkill unblock acer-wireless: Wireless LAN and
unblock acer:wireless. In each case I get Bogus unblock argument. I 
don't use the terminal very much and I'm obviously doing something wrong.


Peter

From my experience nothing else is going to work until you can get it 
to say both hard and soft blocked: no.


I can't remember if rfkill has to be run as root in order to unblock. if 
it does then you could try:


sudo rfkill unblock 0

It's been a while, I can't remember if the sudo was needed or not. I 
have had a laptop which required soft unblocking every time I rebooted 
and another where it ended up hardware blocked and wouldn't unblock! I 
forget how I solved that. I think I used an ethernet cable and then 
stopped using the machine when the backlight died!



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Re: [Dorset] Ubuntu 16.04 no wifi

2017-03-05 Thread Andrew

Have you tried the 'rfkill' command?

rfkill list
Will list the status for all interfaces.
If one of your adapters is soft blocked then you can unblock it with for 
example:

rfkill unblock 0

Hard blocked means you need to press a button.

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Re: [Dorset] How can I discover why my RPi freezes after it has frozen?

2017-01-04 Thread Andrew

On 04/01/17 16:26, Terry Coles wrote:

Also, I think `journalctl -f' might be interesting to watch as you do
things.  You can tap Enter to give you a bit of blank space now and
again so you can see what's new.  You can try doing this over an SSH
connection to the Pi for when you run `startx', but given networking is
also over the Pi's USB port I'd really recommend you use the Pi's serial
port and set the Linux console to use that.  Cables are available.

 http://elinux.org/RPi_Serial_Connection
 http://amzn.to/2iAd006

I tried SSH.  As predicted the Pi is inaccessible.  I could pay for a third of
a Pi 3 for the cost of one of those leads:-)



If you have more than one Raspberry Pi then you can connect their serial 
UARTs together with three wires. Gnd to Gnd, RX to TX, TX to RX.


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Re: [Dorset] Ending Playback in mpg321 from Within Python

2016-11-06 Thread Andrew

On 06/11/16 16:54, Terry Coles wrote:


Andrew,

The list doesn't accept attachments, can you send it to my address instead of
the list?



Ok, have done.

It was based on a few lines from the video player example which was 
linked to on the Ubuntu Wiki page:

https://bazaar.launchpad.net/~jderose/+junk/gst-examples/view/head:/video-player-1.0


If I remember correctly, there didn't used to be a way to tell GStreamer 
which audio output device to use, it always used the default. I'm not 
sure if that has changed, and it might not be a problem for you anyway.



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Re: [Dorset] Ending Playback in mpg321 from Within Python

2016-11-06 Thread Andrew

Hi Terry,

A completely different and probably better way to play audio in Python 
is by using GStreamer.


A while ago I wrote a python program to play sound effects using 
GStreamer. I've had to re-create it for Python 3 as the original didn't 
seem to just work on Ubuntu 16.04. I've attached a simple player program 
which shows how to play, pause and seek to the beginning. Set the 
filename and when running it press enter and it'll do the next step.


Personally I've only use it with FLAC files, but it should play anything 
gstreamer can play.


This page was useful:
https://wiki.ubuntu.com/Novacut/GStreamer1.0

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Re: [Dorset] OT: No Signal from Graphics Card on Newly Built PC

2016-07-13 Thread Andrew

On 13/07/16 19:23, Terry Coles wrote:

We get three beeps with no memory.


That proves that the CPU is running and it has at least loaded some of 
the RAM-init code from the flash chip.


To add a couple of suggestions you've probably thought of:

Try another graphics card in that computer.

Try that graphics card in another computer.

Assuming the OS is going to be Linux-based, install it on the hard disk 
using another machine (Possibly using a USB to SATA adapter), then plug 
the hard disk into the 'real' computer. If you install an SSH server you 
might find you can connect using that even if there's no working video, 
then at least you can see if the machine works.


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Re: [Dorset] Kubuntu 16.04 LTE

2016-04-27 Thread Andrew

On 27/04/16 20:38, Peter Merchant wrote:

Now to fix my wife's XP box that has quit browsing. More difficult.
P.


I believe that can also be fixed by installing Kubuntu 16.04 from the 
DVD. ;)


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Re: [Dorset] Microsoft: Better Linux support for Skype

2016-04-26 Thread Andrew
Wouldn't it be better to put effort into something more open and 
surveillance-free?


https://tox.chat/

While all of the Tox clients are classed as 'alpha' and there's still 
work to do, it is quite usable right now.


--

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On 26/04/16 17:38, CPK Smithies wrote:

I just signed the petition "Microsoft: Better Linux support for Skype".
I don't know how much hope they have of making any difference.

Their goal is to reach 100 signatures - modest enough. They have some
way to go. You can read more and sign the petition here:

https://www.change.org/p/microsoft-better-linux-support-for-skype?recruiter=532970063_source=share_petition_medium=email_campaign=share_email_responsive

Regards to all,
CPKS




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Re: [Dorset] Making a Python File Available for Download

2016-03-08 Thread Andrew Montgomery-Hurrell
I'd grep your webserver config files for any mentions of ".py" and comment
out the offending (and related) lines. I imagine that for some reason it's
configured to serve .py files as cgi scripts, rather than serving them as
text/plain.

On Tue, 8 Mar 2016 at 17:44 Terry Coles  wrote:

> Hi,
>
> I've been building a small repository of software and documentation on my
> website, but keep getting an error when I try to download a Python file:
>
> 
> Internal Server Error
>
> The server encountered an internal error or misconfiguration and was
> unable to
> complete your request.
>
> Please contact the server administrator, and inform them of the time the
> error
> occurred, and anything you might have done that may have caused the error.
>
> More information about this error may be available in the server error log.
>
> Additionally, a 404 Not Found error was encountered while trying to use an
> ErrorDocument to handle the request.
> 
>
> I'm assuming that the error is because the server is trying to execute the
> script instead of making it available because I am able to download all the
> other files that I've put up there.
>
> Is there any way that I can do this without renaming the file to something
> other than filename.py?
>
> I suppose if all else fails I could compress it.
>
> --
>
> Terry Coles
>
>
>
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Re: [Dorset] Help please with deleted files.

2016-01-31 Thread Andrew

If it's of any help, on my system the 'Rubbish Bin' is located here:
~/.local/share/Trash/

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Re: [Dorset] Using a Raspberry Pi 'Headless' and Unattended

2016-01-12 Thread Andrew
I have just done a very quick test booting a RPi with the filesystems 
mounted read-only. Basically it just worked. There were some 'failure' 
messages at startup where it was trying to save things to disk, but they 
aren't things which would matter. If the filesystems are all mounted 
read-only then there's no problem just turning power off. There's 
nothing waiting in RAM to be written to the disk if it's read-only!


I assume that "dawn" and "dusk" will be time intervals like "every few 
minutes", rather than actually following clock-time? I'm sure you are 
aware that the RPi doesn't have a real-time clock, so every time you 
turn it on its clock will start from the same time. However for around 
£10 you can get a GPS receiver module which can be connected to the 
RPi's 3.3v serial pins, which would provide an accurate time if it were 
needed.
If it doesn't know the real time and gets restarted every day then the 
RPi might actually keep running past year 2038!


If the filesystems are mounted read-write then you shouldn't power off 
by just removing the power. If you do then any data in RAM which hasn't 
been written to the disk will be lost, and the filesystem will still be 
marked as dirty, so even if there's no un-written data it might take 
longer to start the next time.


If you do end up using a UPS, perhaps a large capacitor would be better 
than a battery as it shouldn't require replacement.


The "interface kit" required to connect a computer to an Arduino is a 
USB cable.


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Re: [Dorset] Garmin Sat Nav Registration & Up-dates

2015-10-15 Thread Andrew
Work-around: Use OpenStreetMap data. You can download pre-made files for 
Garmin GPSes from here:


http://garmin.openstreetmap.nl/

You can either download an entire country, which is easy and you don't 
have to wait for it to be generated, or you can select the tiles you 
want from the map on that page and wait for the file to be created for you.


If you can swap memory cards, connect to a computer while on your trip, 
or if your Garmin GPS allows multiple gmapsupp.img files on it then 
downloading the five(?) countries you need could be easiest.


You want "osm_generic_gmapsupp.zip", and to extract the file to 
"/Garmin/gmapsupp.img" on an SD card or to the internal memory on the 
device, assuming it has a USB cable and acts as a mass storage device.


There's more information here:
https://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/Download

If you want a small country to test it on, Andorra is only 11MB 
uncompressed. France is 1.1GB compressed. You're probably limited to 4GB 
per (uncompressed) file due to FAT32.


--

Andrew.


On 15/10/15 17:41, C Wills wrote:

Hi All

Just bought a Garmin Sat Nav and found I can't Register or Update it 
using Linux!  Very helpful 'Customer Support' returned my request for 
advice as I tried Registering on their Web Site to no avail. Their 
reply simply said Use Windows!!
Does anyone have a work around for this problem please as I don't have 
anything with either Windows or Mac systems.  Does anyone know if 
Garmin software will run under Wine, as that could be a way forward?
I'm still in CH and hope to use it for the return trip via France 
(usually come via Germany/Belgium).

Hope to make next meeting if I can get a clashing meeting moved.



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Re: [Dorset] 'Cloning' a Disk when the Partitions are not identical

2015-08-12 Thread Andrew

Hi Terry,

The tools I have used for this sort of thing are Clonezilla and GParted. 
Clonezilla to copy from one disk to another, and GParted to resize 
partitions.

There are live CDs for each, although GParted is in most Linux distros.

So I would do it in two stages, first clone, then resize/move the 
partitions.


Clonezilla won't work where the target drive is smaller than the source, 
which is a problem I've had with SSDs.


http://www.clonezilla.org/
http://gparted.org/

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On 12/08/2015 13:13, Terry Coles wrote:

Hi,

As you may have gathered from yesterday's error, I obtained a Dell Optiplex
from atechmedia and am now trying to copy my existing software from the old
250Gb hard drive to the 1TB drive in the Optiplex.  Here is the setup on the
250GB drive:

sda1/   ext438GB
sda2/home   ext4210GB
sda3swapswap4GB

Here is what I'd like to end up with on the new drive:
sda1/   ext440GB
sda2/home   ext4250GB
sda3swapswap8GB

I have both discs connected and the partitioner and disk utility programs can
see them OK.  (Currently the 250GB drive is mounted at sdb.)  I initially
thought I could do this with Redo Backup Live! which I have successfully used
in the past (On Windows boxes).  The problem is that although Redo will let me
take an image of individual partitions, it will only restore to a drive not a
partition, so it b**s up the partition table and only lets me copy one
partition.

I then tried booting into Kubuntu Live and copying each disc partition as files
(I'm not sure it will work for the / partition, but thought it worth a try).
The problem is that the discs are mounted read-only and I'm concerned that is
I copy as root, I'll end up with files that are all owned by root in my home
partition.

So to 'clone' these partitions, what is the best approach?

(I'll need to do this all over again when the SSD Drive turns up :-) )





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Re: [Dorset] 32-bit libs on amd64 Debian

2015-07-01 Thread Andrew Montgomery-Hurrell
Not an answer to your question, but I'm curious, is there a reason you need
the 32bit version? Why not just use the 64-bit one they link from that very
page? https://launchpad.net/~terry.guo/+archive/ubuntu/gcc-arm-embedded

On Wed, 1 Jul 2015 at 12:15 TimA t...@ls83.eclipse.co.uk wrote:

 Hi

 Trying to get arm embedded cross compiler from
 https://launchpad.net/gcc-arm-embedded running on a Debian 8 (Jessie)
 amd64 machine.

 Compiler is 32-bit:

 $ file /usr/local/gcc-arm-none-eabi-4_9-2015q2/bin/arm-none-eabi-gcc
 /usr/local/gcc-arm-none-eabi-4_9-2015q2/bin/arm-none-eabi-gcc: ELF
 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically
 linked, interpreter /lib/ld-linux.so.2, for GNU/Linux 2.6.8, stripped

 and needs these libs:

 $ readelf -d /usr/local/gcc-arm-none-eabi-4_9-2015q2/bin/arm-none-eabi-gcc

 Dynamic section at offset 0xb20a4 contains 26 entries:
TagType Name/Value
   0x0001 (NEEDED) Shared library: [libm.so.6]
   0x0001 (NEEDED) Shared library: [libc.so.6]
   0x0001 (NEEDED) Shared library: [ld-linux.so.2]

 So add i386 architecture

 dpkg --add-architechture i386
 apt-get update

 apt-get install ia32-libs

 to discover that this package no longer present in Jessie.


 $ apt-get install libc-bin:i386

 apt-get install libc-bin:i386
 Reading package lists... Done
 Building dependency tree
 Reading state information... Done
 The following extra packages will be installed:
gcc-4.9-base:i386 libattr1:i386 libc6:i386 libc6-i686:i386
 libcap2:i386 libgcc1:i386
 Suggested packages:
glibc-doc:i386 locales:i386
 The following packages will be REMOVED:
libc-bin
 The following NEW packages will be installed:
gcc-4.9-base:i386 libattr1:i386 libc-bin:i386 libc6:i386
 libc6-i686:i386 libcap2:i386 libgcc1:i386
 WARNING: The following essential packages will be removed.
 This should NOT be done unless you know exactly what you are doing!
libc-bin
 0 upgraded, 7 newly installed, 1 to remove and 0 not upgraded.
 Need to get 6,610 kB of archives.
 After this operation, 12.5 MB of additional disk space will be used.
 You are about to do something potentially harmful.
 To continue type in the phrase 'Yes, do as I say!'

 Don't think I want to go there! So question is what's the correct way to
 install 32-bit libs multiarch on the latest Debian/Ubuntu?


 Cheers

 Tim

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Re: [Dorset] BBC iPlayer downloads

2015-05-26 Thread Andrew

On 26/05/15 22:14, Peter Merchant wrote:

peterm@peterm-34204H:~/Software$ ./get_iplayer -u
peterm@peterm-34204H:~/Software$ sh ./get_iplayer

first time it tells me it is there, and repeat says not found. Hmm.


I don't think you want to run it with 'sh'.

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Re: [Dorset] BBC iPlayer downloads

2015-05-26 Thread Andrew Montgomery-Hurrell
Possibly you might need to delete the ~/.get_iplayer folder it creates. The
one created by the previous apt installed version might be causing issues?

On Wed, 27 May 2015 01:32 Andrew zil...@ziltro.com wrote:

 On 26/05/15 22:14, Peter Merchant wrote:
  peterm@peterm-34204H:~/Software$ ./get_iplayer -u
  peterm@peterm-34204H:~/Software$ sh ./get_iplayer
 
  first time it tells me it is there, and repeat says not found. Hmm.

 I don't think you want to run it with 'sh'.

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Re: [Dorset] BBC iPlayer downloads

2015-05-25 Thread Andrew Montgomery-Hurrell
Version 2.86 in the Ubuntu repository is out of date, the version on github
is 2.92 so there might have been new changes to fix the issues you're seeing

On Mon, 25 May 2015 at 09:33 Terry Coles d-...@hadrian-way.co.uk wrote:

 On Sunday 24 May 2015 21:39:40 Ralph Corderoy wrote:
  Andrew Montgomery-Hurrell wrote:
   You could always try https://github.com/get-iplayer/get_iplayer
   instead.
 
  That's what I use, and quite a few others I know.

 Ralph,

 Have you used this recently?  I remember using this some years ago, but
 then
 started having problems, so I gave up.  I just installed it again (it's in
 the
 Ubuntu repository as 'get-iplayer') and this is what I got:

 First a raw search:


 terry@BEIGE:~$ get_iplayer
 get_iplayer v2.86, Copyright (C) 2008-2010 Phil Lewis
   This program comes with ABSOLUTELY NO WARRANTY; for details use
 --warranty.
   This is free software, and you are welcome to redistribute it under
 certain
   conditions; use --conditions for details.

 Matches:
 1:  BBC iPlayer Feeds - -, BBC News, HD,Highlights,Popular,
 default,audiodescribed,signed,

 INFO: 1 Matching Programmes


 Apparently only one feed.  I then tried recording:

 terry@BEIGE:~$ get_iplayer --get 1
 get_iplayer v2.86, Copyright (C) 2008-2010 Phil Lewis
   This program comes with ABSOLUTELY NO WARRANTY; for details use
 --warranty.
   This is free software, and you are welcome to redistribute it under
 certain
   conditions; use --conditions for details.

 Matches:
 1:  BBC iPlayer Feeds - -, BBC News, HD,Highlights,Popular,
 default,audiodescribed,signed,

 INFO: 1 Matching Programmes
 ERROR: No PID for index Unknown (try using --type option ?)

 According to the Wiki and the man page it's expecting the Index number from
 the search.  I only get one and it doesn't work, so what am I doing
 wrong?  I
 tried the search using --type, but I only get the same answer.

 --

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Re: [Dorset] BBC iPlayer downloads

2015-05-25 Thread Andrew Montgomery-Hurrell
I installed the script as described here:
https://github.com/get-iplayer/get_iplayer/wiki/manual

Running it the first time with no arguments, downloaded some plugins as you
described, running it again like so:

./get_iplayer apollo

Printed out a whole load info whilst getting TV index feeds, then finished
with 3 matches, like so:
Matches:
838: Live at the Apollo: Series 9 - Episode 1, BBC One, Comedy,Standup,
default
839: Live at the Apollo: Series 9 - Episode 2, BBC One, Comedy,Standup,
default
840: Live at the Apollo: Series 9 - Episode 3, BBC One, Comedy,Standup,
default

Running the following:

./get_iplayer 838 --get

Began downloading the episode




On Mon, 25 May 2015 at 09:59 Terry Coles d-...@hadrian-way.co.uk wrote:

 On Monday 25 May 2015 08:39:43 Andrew Montgomery-Hurrell wrote:
  Version 2.86 in the Ubuntu repository is out of date, the version on
 github
  is 2.92 so there might have been new changes to fix the issues you're
 seeing

 OK.  I uninstalled V 2.86, downloaded the latest version, made it
 executable
 and ran it as:

 terry@BEIGE:~$ ./get_iplayer

 On first execution, it installed some plugins and on the second it gave
 exactly
 the same result as V 2.86.

 What do others get, when they type 'get_iplayer' for a simple search?

 --

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Re: [Dorset] BBC iPlayer downloads

2015-05-24 Thread Andrew Montgomery-Hurrell
Get what to work? Is this something built in to iPlayer? It's probably
using Adobe Air/Flash or some other proprietary thing that doesn't work
under Linux. You could always try https://github.com/get-iplayer/get_iplayer
instead.

On Sun, 24 May 2015 at 20:37 Peter Merchant madsmad...@netscape.net wrote:

 Hi, Has anyone  any idea how to get this to work on Linux? It's
 available for M$ and Mac.

 I am on kubuntu 14.04.

 Cheers,

 Peter

 PS, I haven't tried Wine yet.

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Re: [Dorset] Dealing with dynamic IP addresses

2015-05-21 Thread Andrew Montgomery-Hurrell
Off the top of my head, I think what you can do is something like this:

1) Set up your own nameserver or use one of the various nameserver services
out there like pointhq.com that have an API for remotely managing and
updating your DNS records.
2) Set up your DNS records yourself on this new nameserver. Set your
share.gemmill.name DNS record to have a low TTL.
3) Have 1and1 set the nameservers for your domain to be your new
nameserver.
4) Write a script on your owncloud server that remotely updates the DNS
record for share.gemmill.name to point to the correct IP every so often.

Not exactly simple, and there are a bunch of different moving parts here,
plus messing up your domain handling means no more website/email/etc until
it's fixed. It also relies on 1and1 actually allowing you to use your own
nameserver with your domain.

On Thu, 21 May 2015 at 11:43 Graeme Gemmill gra...@gemmill.name wrote:

 Can someone give help/advice on the following problem relating to
 dynamic IP addresses?
 I have a PC on my LAN with Owncloud installed. (It's a fun product - it
 solved a problem with sharing a calendar between 2 PCs immediately,
 whereas I couldn't get DaviCal to work at all).
 I have a domain, gemmill.name, and I have created a sub-domain,
 share.gemmill.name.
 I want family and friends to be able to type www.share.gemmill.name and
 get access to Owncloud.
 My router can do port-forwarding but my external IP address is dynamic.
 I've heard about an organisation called NoIP.com. I can down-load a bit
 of their software that monitors the current IP address the rouuter's
 connected to. The problem is they want to associate it with one of their
 domain names; the default is ggemmill.ddns.net and there are many
 options, but gemmill.name doesn't figure among them!
 So: is there a way to make ggemmill.ddns.net equivalent to
 share.gemmill.name?
 (I don't know if it's relevant, but the gemmill.name domain is managed
 by 1and1.co.uk who also provide my IMAP mail service; the actual ISP
 provider is talktalk. Perhaps the answer is to transfer management to
 NoIP.com, but I'm happy with 1and1).
 TIA
 Graeme
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Re: [Dorset] How do I find out the file system type?

2015-03-12 Thread Andrew

On 10/03/2015 22:29, Tim wrote:
*The reason I am doing this is that these terminal are Linux based and 
they have a built in RDP client, I am having issue with running RDP on 
my PC so I was hoping to glean some info from one of these terminals.


In case it is relevant, I have been using Remmina for RDP for quite a 
while now. At some point, something changed and now I find I have to set 
Security to RDP, rather than Negotiate in order for it to work.


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Re: [Dorset] Multiple commands in bash

2015-03-12 Thread Andrew Montgomery-Hurrell
Not sure if this is what you want, but something like the following might
work. It doesn't do the bash prompt since there is not way of getting the
current prompt output reliably, but if you just want a fake one for display
purposes, you could hard code it into the script. Also, it doesn't check
the exit codes and abort early, as the  would do, but that's easy enough
to add in.

#!/bin/bash

COMMANDS=()
COMMANDS[0]=echo 1
COMMANDS[1]=echo 2
COMMANDS[2]=echo 3

for ((i = 0; i  ${#COMMANDS[@]}; i++)) ; do
echo ${COMMANDS[$i]}
${COMMANDS[$i]}
done

On Thu, 12 Mar 2015 at 14:13 TimA t...@ls83.eclipse.co.uk wrote:

 Hi

 I'd like to run multiple commands in Bash:

 patch -m patchfile  hg diff  cd dir  make -s

 but for audit purposes I'd like each command in the list to be echoed as
 run, even better I'd like the Bash prompt to appear too in front of each
 line.

 I know that as an alternative I can put the commands in a script with
 #!/bin/bash -v to get the first requirement.

 Cheers

 Tim

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Re: [Dorset] Social Networking in a Corporate Environment

2014-09-30 Thread Andrew Montgomery-Hurrell
If they already use Microsoft Office (and especially if they already
subscribe to Office 365) then Yammer is a service that is specifically
designed to be a corporate social network at the Office 365 Mid-Size
Business tier. I've never used it though and naturally it's a service, not
something you can run yourself on your own hardware.

I've had some brief exposure to Atlassians Confluence software, which you
can buy to self-host or pay for monthly per user as a service and it seems
pretty good, though like all things it has a bit of a learning curve. I've
only barely used it though, so can't say much about it other than people I
work with have given it very high praise. It's probably better if you buy
into the rest of Atlassian's suite of tools like Jira and Hipchat, etc but
by itself I don't imagine it's too bad.

Speaking of Hipchat, that might actually fit the bill. It's basically an
IRC style private chatroom client, but depending on the plans you get (and
you can even use it for free with unlimited users if I recall) when you
attach images or files to messages, they stay in the system so they can be
referred back to, at least for a time. If what they need is something more
real-time rather than a long-term document storage/sharing system, then
that might work out well for them. I use hipchat extensively at work for
communicating with my team, sharing files, talking to clients, holding
meetings, etc and find I rarely use anything else for sharing things,
getting feedback or collaborating on projects. I can highly recommend it,
and since you can trial it for free, if it sounds like it might fit the
bill, I'd encourage you to investigate it. We also use their dev API to
feed in info from our various monitoring tools for servers, software
builds, support tickets, etc so it acts a company-wide notification system
as well as shared communications platform.



On 30 September 2014 15:12, d-...@hadrian-way.co.uk d-...@hadrian-way.co.uk
 wrote:



  On 30 September 2014 at 14:33 Ralph Corderoy ra...@inputplus.co.uk
 wrote:
 
 
  Hi Terry,
 
   I believe that the management are not really sure what they want in
   terms of functionality so are looking for suggestions. We have
   discussed this locally
 
  What's the nature of the information you want to share? Considered blog
  posts? One-line QA? A curated resource of information?

 That's part of the problem; they're not really sure.  I think it might
 function
 as a newsletter in some scenarios, but with the ability to accept comments,
 where appropriate.  In other scenarios, it might be used to seed ideas,
 with
 inline drawings / photographs, etc to really get over the message.  The
 key I
 think is engagement.  When Groklaw was at it height it was generating
 hundreds
 of responses to each article, with ideas flying thick and fast.  I don't
 believe
 a mailing list (as suggested elsewhere) will work like that for people who
 aren't necessarily technical, whereas an active blog or Facebook type
 solution
 might, because of the multimedia element.

 As a bonus, it might also be useful to have the ability to collaborate on
 documents etc.

 I think we are looking for suggestions to see what might be the most
 attractive.
  Does anyone have any experience of Corporate Social Networks (linux based
 or
 otherwise)?

 Terry Coles
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Re: [Dorset] Kubuntu - Chrome - Flash and NO sound

2014-09-22 Thread Andrew

On 22/09/14 20:50, Stephen Wolff wrote:

I thought video in general on the web was moving away from Flash, due to
iDevices not supporting it. Don't YouTube encode their videos for
playback using Flash or HTML5 browser native video tag?



They do for newer videos, but you still have to enable it manually. (And 
if you have your browser set to delete cookies on shutdown you have to 
enable it every time you visit the site after opening a new browser 
session.)


https://www.youtube.com/html5

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Re: [Dorset] Coax 10Base-2

2014-08-02 Thread Andrew
If it is 50Ω coax with BNC connectors then is is still useful for 
amateur (and other) radio purposes.


However I won't be at the meeting...

--

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On 02/08/14 21:00, Peter Merchant wrote:
Hi, I was looking for a bit of LAN cable today and found some coax 
that I doubt that I will ever need again. Does anybody have a use for 
it? I can bring it along Tuesday if anyone wants it. It's a couple of 
shortish pieces, probably a couple of metres long, and two pieces of a 
special kind that plugged into a linear 4 contact slot in the wall (so 
old that Google cannot find a picture of it).




Peter





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Re: [Dorset] Borrow a floppy disk drive

2014-07-29 Thread Andrew

On 29/07/14 22:09, Tim Waugh wrote:

On Tue, 2014-07-29 at 15:18 +0100, Ralph Corderoy wrote:

If you have non-DOS-format floppies then USB probably won't be any good.
In their wisdom, they made the USB interface only support normal DOS
formats;  no 1024-byte sectors, 10 sectors per track of ADFS, for
example.

One of them is labelled 'Minix' so might be ext or something, but the
others will be DOS format. I wondered about external USB floppy drives,
whether it's a standard thing or would need a special driver on Linux.

Tim.
*/



A USB floppy drive appears to the computer as a USB mass storage device, 
so IIRC the computer speaks something like SCSI-over-USB to it and 
accesses it as a block device. I think that's why they are limited to 
1.44 MB format, because there's no way to set the parameters over USB 
mass storage/SCSI commands?


It should appear as /dev/sdX, not /dev/fdX.

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Re: [Dorset] Manipulating PDF Files in Linux

2014-07-18 Thread Andrew Montgomery-Hurrell
You can try pdftohtml[1] to get it into HTML format, from there it should
be easier to convert into a document format you want using something like
pandoc[2].

[1]: http://pdftohtml.sourceforge.net/
[2]: http://johnmacfarlane.net/pandoc/README.html


On 18 July 2014 14:47, Terry Coles d-...@hadrian-way.co.uk wrote:

 Hi,

 Does anyone know how I can use tools available in Linux to convert a PDF
 file
 to MS Word .doc or .docx format (or even to LibreOffice .odt)?

 I thought I could do it using LibreOffice, but it reads the PDF content as
 if it
 is a series of graphical objects with text labels.  As a consequence, I can
 only save it as .odg or export it to a graphical format.

 The problem is that we have a number of specifications in PDF format.  We
 need
 to get them into an editable form (preferably word) because they need
 translating.

 At work I tried the real thing (Adobe Writer), but it seriously mangles the
 format, even when it works.

 The originals seem to have been created using a number of different tools;
 some
 were created in MS Word 2010, some PDFCreator (presumably from a Word
 Source,
 some with Acrobat Distiller and some by conversion from Postscript.  Adobe
 Writer was only able to save three out of five documents and they were not
 very
 good.

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Re: [Dorset] Has something changed with Debian Desktops?

2014-07-14 Thread Andrew Montgomery-Hurrell
You could try and use the MATE desktop,  which is a fork of the old Gnome2
desktop http://mate-desktop.org
On 14 Jul 2014 16:14, TimA t...@ls83.eclipse.co.uk wrote:

 Hi Victor


 On 14/07/14 15:48, Victor Churchill wrote:

 I recently did a Debian istalll onto a machine which had previously been
 struggling with Ubuntu.

 lsb_release -a
 No LSB modules are available.
 Distributor ID: Debian
 Description: Debian GNU/Linux 7.5 (wheezy)
 Release: 7.5
 Codename: wheezy


 I have an older machine which I installed Debian onto a while ago, running
 6.0.7 squeeze.

 For both installations I don't believe I did anything out of the ordinary.

 On the Squeeze machine I have a 'nice', useable desktop with familiar
 panel
 and menus (1).

 On the Wheezy I have something that looks more like the new Ubuntu that I
 was running away from, when I log in with a 'Gnome Classic' desktop (2).
 When I log in with regular 'Gnome' session selected it's abominable (3,4).

 Is there something I need to do to get a good old Gnome 2-ish desktop like
 I have on Squeeze?


 Wheezy went to Gnome 3. XFCE is pretty close in appearance to Gnome 2 and
 can be installed instead of Gnome (advanced install options if I remember
 correctly). I migrated all my machines to XFCE when Wheezy came along. It's
 lean and quick.

 Cheers

 Tim



  1: Squeeze desktop
 http://s1160.photobucket.com/user/johnvictoredington/media/
 SqueezeDesktop_zps0970bde2.png.html

 2. Wheezy 'Classic'
 http://s1160.photobucket.com/user/johnvictoredington/media/
 WheezyDesktop1_zpsf7cc4643.png.html

 3. Wheezy Gnome with illegible panel - Radio Gnome Invisible B-(
 http://s1160.photobucket.com/user/johnvictoredington/media/
 Screenshotfrom2014-07-09183526_zps64093321.png.html

 4. What I got on a Gnome session screenshot when all I could see was
 plain blue
 http://s1160.photobucket.com/user/johnvictoredington/media/
 Screenshotfrom2014-07-09183649_zps0685cfb2.png.html



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Re: [Dorset] OT Disk drive recovery

2014-06-01 Thread Andrew

That is possible and I have done it myself when I blew up a hard disk PCB.

There could be a slight problem with that if either of the two hard 
disks has detected bad blocks, the hard disk may store bad block 
re-mapping details in the flash chip on the PCB. Even if either of them 
has done this you'll probably get most data back though. A lot more than 
with no working PCB.


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On 01/06/14 19:23, Victor Churchill wrote:

I can't offer to do the forensic job myself but I did see somebody blog
once that if it is the PCB that has failed, and if you can get hold of an
identical drive, then it's possible to swap over the electronics and access
the data in that way (and immediately write it to a backup of course!)





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Re: [Dorset] UEFI and Linux

2014-05-23 Thread Andrew
I am using (U)EFI and GPT on my main computer, but that was a clean 
install... The previous install was using BIOS/MBR but still worked.


The bootloader settings should have an option for Legacy boot (or 
perhaps different words meaning the same thing), which will load a BIOS 
etc. but it might not be enabled by default.


Unless perhaps there are (U)EFI only firmwares out there now...

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Re: [Dorset] Two Raspberry Pi puzzles

2014-03-31 Thread Andrew

On 31/03/14 21:11, JD wrote:
2.  On my re-installed RPi I added a new user and su-ed to it. Later 
on this user tried to do a bit of adminstration using sudo. Not too 
surprisinfly, I received an error message saying that this user was 
not a sudoer and I would be reported to the Thought Police!


I looked at /etc/sudoers and found that it contains the standard entry:
%sudo   ALL=(ALL:ALL) ALL
and that the new user is in group sudo.

So why couldn't the new user sudo?


At a guess, the new user isn't in the 'sudo' group.

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Re: [Dorset] pdf editor

2014-02-25 Thread Andrew

There is PDFedit:
http://sourceforge.net/projects/pdfedit/

And apparently LibreOffice Draw can open PDF files.

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Re: [Dorset] Linux defragmentation

2013-12-20 Thread Andrew Montgomery-Hurrell
My understanding is that the functionality is built into the filesystem
(and the filesystem drivers, naturally), so any distro that uses
filesystems that support that functionality by default will support that,
as long as your partitions are formatted to that filesystem.
Most distros use ext3 or ext4 by default, which has defrag built-in. They
wont magically make an external FAT32 formatted drive you happen to plug in
become defragged though, for example.


On 20 December 2013 16:14, p.lane p.l...@lectrics.co.uk wrote:

 Knowledgable peeps.
 Is it necessary to defrag Linux based partitions?
 I was taught that defragging UNIX partitions wasn't ever necessary because
 UNIX 'conspired to defragment'.
 ie from the outset of creating data, semi-smart data handling routines
 logically distributed file fragments about the partition for optimal
 function and retrieval.
 Does anyone know if various Linux distro's have similar functionality?
 thanks.

 --
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Re: [Dorset] NVidia graphics help please

2013-12-06 Thread Andrew Montgomery-Hurrell
It looks like you've got the newer version of the nvidia drivers which do
not support the card you are using any more. According to the errors in
that log, you need use the older, legacy package found here:
http://www.nvidia.com/object/linux-display-ia32-96.43.23-driver.html if you
are running 32bit or here:
http://www.nvidia.com/object/linux-display-amd64-96.43.23-driver.html if
you are running 64bit.

I'm not sure if kubuntu includes packages for those older nvidia drivers
(which you should use if they do) but if they don't, downloading and
installing the appropriate package should provide you with the correct
driver version for your card.


On 6 December 2013 14:21, Peter Merchant madsmad...@netscape.net wrote:

 Hi, I could do with some help. I recently installed a new Nvidia card and
 was able to get it working with a good resolution  by trying to replace the
 'nouveau' driver with the appropriate nvidia legacy driver. Then one day
 about a week ago after some kubuntu 13.10 updates it reverted to 1280x1024
 which gives me quite a funny fat screen. I have tried all sort of things to
 get in back, but at one stage got it to 640x480.

 I cannot seem to get it working properly. This is what I just found in
 dmesg.


 [   28.523214] NVRM: The NVIDIA GeForce4 MX 4000 GPU installed in this
 system is
 [   28.523214] NVRM:  supported through the NVIDIA 96.43.xx Legacy
 drivers. Please
 [   28.523214] NVRM:  visit http://www.nvidia.com/object/unix.html for
 more
 [   28.523214] NVRM:  information.  The 304.88 NVIDIA driver will ignore
 [   28.523214] NVRM:  this GPU.  Continuing probe...
 [   28.523240] NVRM: No NVIDIA graphics adapter found!
 [   28.652919] NVRM: The NVIDIA GeForce4 MX 4000 GPU installed in this
 system is
 [   28.652919] NVRM:  supported through the NVIDIA 96.43.xx Legacy
 drivers. Please
 [   28.652919] NVRM:  visit http://www.nvidia.com/object/unix.html for
 more
 [   28.652919] NVRM:  information.  The 304.88 NVIDIA driver will ignore
 [   28.652919] NVRM:  this GPU.  Continuing probe...
 [   28.652941] NVRM: No NVIDIA graphics adapter found!

 lspci shows the nvidia card installed.

 Can anyone give me any hints about what I do now?

 Peter


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Re: [Dorset] Free Database software

2013-11-01 Thread Andrew Montgomery-Hurrell
Re: sqlite, there are a bunch of separate GUI tools available, from Firefox
plugins to things like sqliteman, though to be fair you'll still need SQL
knowledge for doing anything useful.


On 1 November 2013 09:41, Ken Hutton kehut...@googlemail.com wrote:

 Firebird is probably in your Linux distro's package manager. That would
 probably be the best place to install it from. l haven't used it myself
 though so I don't know how well it would meet your needs.

 It might also be worth considering sqlite. It doesn't have the graphical
 interface you are looking for but sql is quite easy to learn.  Especially
 with the clear diagrams on the sqlite web site. And sqlite stores a
 database in a single file with no need to setup a db server.
 On 31 Oct 2013 22:00, David Smith david.sm...@aic.co.uk wrote:

  This may be outside what DLUG normally discusses. If so please say and I
  will look elsewhere.
  I am looking for free software to run under Linux to implement a small
  database. A free version of MS Access would be ideal! Access is part of
 MS
  Office professional and allows you to create and run SQL queries by point
  and click rather than needing to know SQL syntax. My database would live
 on
  one pc - no separation of server and client.
 
  Initially I thought Open Office/Libre Office Base would do the trick, but
  it only supports select queries, not Update queries, make table queries
  etc. Access allows data to be imported from a .csv file into a data
 table,
  and exported to .csv. In Base you have to cut and paste between
 spreadsheet
  and table table or query - unless of course you write VBA modules which
 is
  the hard way of doing things.
 
  I have tried downloading a version of Firebird but don't know what to do
  next. I cannot even find an install program.
 
  Any ideas?
 
  thanks
 
  David
 
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Re: [Dorset] Free Database software

2013-11-01 Thread Andrew Montgomery-Hurrell
Oh, regarding firebird, I find on my ubuntu box that:

sudo aptitude install flamerobin

Installs firebird and a GUI client called flamerobin, if you've got a
preference for firebird over sqlite.


On 1 November 2013 12:48, David Smith david.sm...@aic.co.uk wrote:


 On Friday, November 01, 2013 11:01 AM Simon P Smith wrote

  At the risk of being burnt at the stake :-)


  Many good suggestions in this thread but let me throw up one more...


  You said free software.  Whilst I use postgres and MySQL extensively
 some clients
 are M$ shops and so the database must reside on MSSQL.  There is a an
 SQLExpress
 version of this which includes the GUI management tools and database
 back-end
 which I use for portability testing.  It is free as a download from M$.


 Thanks Simon. I have no moral objection to your suggestion, provided M$ do
 not gain, but I will try SQlite first.

 And thanks Ralph for your weblink.

 David

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Re: [Dorset] Client Side Scripting of Web Pages

2013-10-25 Thread Andrew Montgomery-Hurrell
Some browsers do expose an API allowing these things, but my point is more
that I'm not convinced they provide anything that allows someone to add in
support for other languages that is useful in anyway beyond simple toys.
Regarding Python in the browser, this site has some useful info:
https://wiki.python.org/moin/WebBrowserProgramming

I'm wondering as to _why_ you even want to run scripts in another language
client-side. Any such language would (assuming the browser support API also
sandboxes it's code) be limited to only effecting changes in the browser
environment, so there isn't really any utility to using another language
over javascript. If you want to be able to run scripts that do other things
outside of that sandbox (such as a script that runs an application on the
user's computer and displays it's output in the browser), then there are a
whole bunch of security implications there which need to be considered.


On 25 October 2013 14:26, Ralph Corderoy ra...@inputplus.co.uk wrote:

 Hi Terry,

  Terry Coles wrote:
   I understand that all browsers speak Javascript,

 Except those that don't, e.g. lynx(1).  :-)

   so a page containing js, just gets executed.  What if the script is
   written in PERL, PHP or even TCL or Python?  Presumably the page
   includes a mime type, but how does the browser know what package to
   use to execute the code.

 Well, the browser has a list of MIME types and how to handle them for
 other things, e.g. audio formats.  You can edit it to use external
 programs, for example.

 But are you getting confused between code that's shipped as part of, or
 referenced by, a HTML web page and code that responds to a HTTP request
 from a browser on the server?  That back-end code can be written in
 anything and the browser doesn't know or care.

 Andrew Montgomery-Hurrell wrote:
  Most browsers just fail if you use any language other than javascript.

 There's a version of Chromium that supports Dart natively AIUI.  For
 other browsers, you load some Javascript that can handle the Dart.


 https://www.dartlang.org/docs/tutorials/connect-dart-html/#about-html-code

 script type=application/dart src=mini.dart/script
 script src=packages/browser/dart.js/script

  I'm not entirely sure browsers even expose a useful enough API to be
  able to develop a useful plugin to do that.

 I think they do?  I've vague recollections of being able to add a Python
 interpreter to Internet Explorer some years ago when web scripting
 languages first made an appearance.

 Cheers, Ralph.

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Re: [Dorset] Can I use hostnames with ssh without editing /etc/hosts

2013-08-12 Thread Andrew

On 12/08/2013 14:04, JD wrote:
My problem is that I would like to use hostnames and not IP addresses 
when linking between 3 Linux computers that are just connected via my 
router.


The router has the correct hostname for each computer but I get a 
refusal if I try, say, jd@jd-Dimension-5000, whereas jd@192.168.1.5 
works.  In principle, the IP addresses change so I'd rather use 
hostnames.  I admit that the IP addresses don't change very often, but 
I turn the router off whenever I go away so the addresses get 
reassigned and that is a pain.




Does hostnale.local work? Eg. jd-Dimension-5000.local?

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Re: [Dorset] Samba and Windows Access to Drives.

2013-06-21 Thread Andrew

On 22/06/13 00:06, c...@pampru.org wrote:
I pointed out that the drives were RAID 1, mirrored, so no stripes or 
anything like that, and they still said 'NO, send it to us'.

Give us all your data!!!

RAID disks/partitions have a header, which in Linux RAID I believe 
includes the UUID of the disk and the UUID of every other disk in the 
RAID, ie. each disk contains the entire configuration of the array.


I wouldn't be surprised if their NAS box runs Linux and uses Linux RAID, 
as that would be cheaper than implementing their own, but it might not.


Anyway, unless they are trying to make life hard for everyone by storing 
the data in a non-linear manner you could simply ignore the RAID header.
The 'mount' command can be passed an offset, so you can find the real 
start of the filesystem on the drive (and there's probably many ways to 
do that) and pass that offset to mount.


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Re: [Dorset] Using the host file

2013-05-24 Thread Andrew Morgan

On 23/05/2013 17:16, Tim wrote:

So I edited the /etc/host file as follows


Do you mean '/etc/hosts'?
It seems from a later post that your ping looked up the correct IP 
address, so presumably you did edit the correct file, but I thought it 
would be worth checking.


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Re: [Dorset] [OT] Video Slide show with digital photographs

2013-05-19 Thread Andrew Morgan
It depends what you're doing. If you want to distribute this as a DVD 
then you want to select PAL DVD. The 1080 options are all 
high-definition and I rather doubt any DVD players could play this. 
Blu-ray players could, but are they common yet? I recently saw a Blu-ray 
writer drive for around £60.


If this is for a slide-show that you are going to be controlling then 
you might want to consider creating a 1080 movie, preferably 1080p not 
1080i (i means interlaced, and AFAIK there are about zero HD TVs where 
this is needed), and then putting it on to a Raspberry Pi. This has an 
HDMI output for HD TVs and a composite video output for SD TVs.


It seems common for TVs to have ethernet ports and USB, I wonder if SD 
cards or USB sticks can be used on most TVs these days?


--

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On 19/05/13 12:02, Tim wrote:


Sorry for being slightly OT, but a quick question if may. I am going 
to make a video slide show using digital photographs (300+ images). I 
have two questions, I get various options as to what Profile I want 
the video to be in, DV\DVD Pal, HD 1080i (with various frame speeds), 
HDV 1080 25i 1920 x 1080 etc.. etc.. What is the best to use. I would 
like to have the eventual video playable on a normal DVD\TV 
combination if at all possible.


Secondly and probably related to the above, all the photograph are in 
various resolution, what would be the best resolution to change them 
in to??


Thanks in advance

Tim





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Re: [Dorset] [OT] Anyone in the north of Dorset?

2013-03-31 Thread Andrew Drapper
Humm,

Missed Dan Jones email address.

Dan are you still after someone on north dorset?

I am in Stockwood just south of Yeovil. Not very good at ubuntu, but I do
have a pair of eyes.

and...@drapper.com


On 31 March 2013 14:48, Charles B. Upton char...@childokeford.plus.comwrote:

 On 29/03/13 20:20, Dan Jones wrote:

 [OT]

 Hi all,

 Is anyone based up the north end of Dorset/Sherborne way?

 For my sins, I'm involved with a community radio station (Abbey104) and
 I'm
 in need of a second pair of eyes for some of the stations ubuntu systems.

 If youre interested email me off list.

 Ta

 ~Dan

 Hi Dan, I live in Child Okeford South of Shaftesbury so probably too far
 (35 - 40 mins) away. I do most work 7 all development on Fedora, but have
 Ubuntu on 2 laptops and have installed it for neighbours on a number of
 machines. So if you are desperate come back to me.
 Charles

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Re: [Dorset] Google to Give Away 15, 000 Raspberry Pis to UK Schools

2013-01-29 Thread Andrew Morgan

On 29/01/2013 20:27, Peter Merchant wrote:
Well, Perhaps that will bring down the prices of HDMI monitors. I 
couldn't find one under £103

P.



There are cheaper ones with DVI, and/or sold as TVs.

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Re: [Dorset] Google to Give Away 15, 000 Raspberry Pis to UK Schools

2013-01-29 Thread Andrew Drapper
Any chance of getting a Raspberry Pi form Google for a home schooling
family? LOL


Andrew Drapper

www.Bible-Matters.com

*The million dollar question: *

Will you go to heaven when you die? Here's a quick test. Have you ever told
a lie, stolen anything, or used God's name in vain? Jesus said, Whoever
looks at a women (or man) to lust for her has already committed adultery
with her(him)in his heart. Have you ever looked with lust? Will YOU be
guilty on judgement day? If you have done these things God sees you as a
lying, thieving, blasphemous, adulterer-at-heart. The bible warns that if
you are guilty you will end up in hell. That's not God's will. He sent His
Son Jesus to suffer and die on the cross for you. You broke God's law but
Jesus paid your fine. That means He can legally dismiss your case. He can
commute your death sentence. For God so loved the world that He gave His
only begotten Son, that whoever believes in Him should not perish but have
everlasting life. Then He rose from the dead and defeated death. Please
turn from your sin today and trust in Jesus as your Saviour and God will
grant you the gift of everlasting life. Then read your bible daily and obey
it.


On 29 January 2013 20:33, Andrew Morgan zil...@ziltro.com wrote:

 On 29/01/2013 20:27, Peter Merchant wrote:

 Well, Perhaps that will bring down the prices of HDMI monitors. I
 couldn't find one under £103
 P.


 There are cheaper ones with DVI, and/or sold as TVs.

 --

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Re: [Dorset] Nexus 7 virus software, any problems?

2013-01-02 Thread Andrew R Paterson
Terry,
as I give up preaching to the unconvertible, consider my last parting shot 
carefully...
This medium is supposed to be a LUG,
The difference between virusen and malware is no more pedantic than whether I 
achieve my computing aims using Linux or Windows or ios.
This difference is what steve jobs recognised and trapped his user base into 
limiting the spread of malware very successfully.
Google with its Play Store is commendably attempting the same thing.
Regards
Andy

On Wednesday 02 January 2013 18:36:58 Terry Coles wrote:
 On Tuesday 01 Jan 2013 19:29:51 Andrew R Paterson wrote:
  you state Certainly, on desktop Linux, there are far more virus
  signatures
  in the  virus database than there are known viruses that attack Linux.
  
  Thats an interesting fact, pray where did you get it from? particularily
  the known viruses that attack linux bit.
 
 Andrew, I think you are being a little pedantic.  When most people refer to
 viruses, they include Trojans, socially engineered malware and anything else
 that can generally break your machine.  Similarly, virus scanners on
 Windows don't just scan for viruses; they look for all known malware and
 that is what the 'virus scanners on Android would appear to do.
 
  Google has its PLay Store just as Apple has its app store - there is no
  reason for one to be more vulnerable than the other.
 
 Natalie et al have already answered this one.
 
  I remember the days of Nobody got fired for buying IBM the hayday of
  FUD.
  Now it seems the AV producers are doing the same thing.
  You don't have to be a genius to realise that there would be no market for
  AV developers without viruses.
 
 True, but that doesn't stop the malware authors.
 
  I am still waiting for someone to detail a genuine UNIX (or LInux) virus
  as
  opposed to just being stupid and dowloading and running a script rm -rf
  /.
 I don't believe that the few genuine Linux/Unix 'viruses' (or malware items
 if you prefer) are that simple.  In my original post, I did say that the
 only attack vector on Linux is probably social engineering, but since the
 average Android user is not a top-notch software engineer, they are likely
 to fall for this every time.  I would hope that I wouldn't, but since I am
 also not a top- notch software engineer, I prefer to play it safe. 
 Everyone gets fooled now and again.
 
  I agree about android running things as a single user, but there is a
  difference with malware and viruses. AV software can find viruses but
  malware is up to the user.
 
 See above.

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Re: [Dorset] Nexus 7 virus software, any problems?

2013-01-01 Thread Andrew R Paterson
I strongly believe (feel free to correct me please!) that most (if not all) 
the AV software you get for Linux (and android?) is just using the same 
signature databases as the main windows versions and thus all you are doing is 
ensuring you don't download any windows viruses.
As I say, please prove me wrong :)
I also use Avast (on my windows boxes) and am indeed happy with it - but AV 
s/w for Linux and android - show me some proof that they actually do something 
(and don't tell me they are root-checkers please!).
Andy


On Tuesday 01 January 2013 09:24:48 Terry Coles wrote:
 On Monday 31 Dec 2012 21:04:59 Clive A Wills wrote:
  Now I know some of you have the Nexus 7 and would like to know if there
  are any problems with virus' and if a virus programme is required. Also
  how pleased/good is it; reviews have all been good.  (£199 in PC World
  and £189 in Argos)
 
 PC World staff get a commission if they sell 'add-ons' with any computer.  I
 have no idea how much PC World charge for Norton for Android, but the
 online price is £29.99, which makes a big difference when the device itself
 is less than £200.
 
 I don't have a Nexus 7, but I do own an Android phone; there isn't really
 any difference as you point out.  Android *is* vulnerable to viruses (as is
 Linux if they are targeted to it).  It is also a single user OS, where the
 owner has root privileges, so, as with Windows, any viruses don't have to
 overcome basic security to get installed.
 
 Unlike Linux, (or rather the Linux we are all familiar with, since Android
 is a Linux distribution), it has a very large user base which is growing
 every day.  This means that there is much more incentive to attack it than
 Linux, so it doesn't hurt to take some precautions.  As you say, you still
 have to agree to install the software, so there are no 'drive by'
 vulnerabilities.  I would be surprised if the virus count for Android ever
 got to be anything like Windows.
 
 What you don't need to do is pay through the nose for Norton Antivirus. 
 There are several free ones and some have a paid-for Premium version.  I--
calendar
 use Lookout: https://www.lookout.com/.  The Premium version offers some
 useful additional features for $29.99 per year, but if all you need is
 anti-virus, the free version works fine.  My wife uses the Avast offering:
 http://www.avast.com/en-gb/free-mobile-security.  We have used Avast on our
 Windows machines for around 10 years now and the only time we got a virus
 was when my son turned it off.  Both Apps are available from the Google
 Play Store once you have your device.
 
 The chances are, if the user is careful about what he or she installs, then
 they will never get a virus on Android.  So the story is nowhere near as bad
 as on Windows, which is almost guaranteed a virus if you don't run a
 scanner. I mainly installed Lookout for the peace of mind and the location
 service, which will allow me to locate the phone if it is lost or stolen.
 
 In the end, it's up to the user whether they bother.  There aren't many
 viruses reported for Android, so the chances are there will never be a
 problem.

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Re: [Dorset] Nexus 7 virus software, any problems?

2012-12-31 Thread Andrew R Paterson
Hi Clive,
I have a Nexus 7 and have absolutely filled it with (mostly free) 
downloads 
and except for accidentally unrooting it after initially rooting it - I have 
(as expected) NOT been hit by any Viruses.
You should have asked the assistant if that meant that all the Android based 
mobile phones were returned/damaged by virus attacks too!
I am very pleased with my Nexus 7 and blame myself entirely for accidentally 
unrooting it.
Unfortunately, if I root it again I suspect I would have to reload all the 
apps I have downloaded. But to be honest rooting it didn't really give me any 
real benefits anyway.
Its a well-made machine with which I make a fool of the rest of my family with 
their expensive ipads.
SInce Android is basically linux/Java and you are conferring on a linux lug, 
you surely don't run antivirus software on your linux box do you?
Regards
Andy
On Monday 31 December 2012 21:04:59 Clive A Wills wrote:
 Hi All
 
 First, can I wish you all a very Happy New Year.
 
 Today we were in PC World looking at the Nexus 7, as my son-in-law is
 thinking to get one; however the assistant stressed that it was very
 important to get a good anti-virus software installed (Norton) as so
 many tablets had been returned/damaged by virus attacks, and it is not
 covered by warranty.
 A very long discussion then took place about how vulnerable Android was
 to attack, because it was 'open source' and the Apps were not
 controlled, unlike Apple Apps.
 Well; I gave up trying to say that it was not possible to get a virus
 unless you accepted the request to run the programme. They were
 obviously 'White Washed' against open software.
 
 Now I know some of you have the Nexus 7 and would like to know if there
 are any problems with virus' and if a virus programme is required. Also
 how pleased/good is it; reviews have all been good.  (£199 in PC World
 and £189 in Argos)
 
 I don't think virus' are a problem but would like confirmation please,
 to pass on to my son-in-law (he's a Mac and Apple Iphone/Ipad advocate).
 Also any grips against it.

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Re: [Dorset] Hi, new member. Local paid support

2012-12-07 Thread Andrew Morgan

On 06/12/2012 12:27, Jago Pearce wrote:

- update a bios that doesn't always boot; need to add an .img option
to grub2 to get DOS, which is required for the flash


Flashrom might help, if it supports your motherboard (chipset) and flash 
chip.

http://www.flashrom.org/

That or write a FreeDOS USB stick or bootable CD/DVD.



- when scrolling up in console mode terminal, how to stop the
scrolling from interrupting what I'm reading (wondered about this for
years)


I use Scroll Lock. :)

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Re: [Dorset] Replacement for Gimp

2012-11-17 Thread Andrew Montgomery-Hurrell
paint.net seems to be popular http://www.getpaint.net/


On 17 November 2012 22:20, Clive A Wills cawi...@talktalk.net wrote:

 Another request for info please.
 My son needs to square crop 9 photo's before getting them printed 'as one'
 onto canvas, the completed group of 3x3 photo's will then be saved as one
 JPG for Jessops to print.
 He does not have any reasonable editing software so I suggested 'Gimp for
 M$ W**', but this version of Gimp has been stopped by the project as they
 do not have any suitable programmers to rectify the back-log of faults!!
 He'd prefer not to use a Web based programme as he needs to work 'out of
 site' of his wife.

 Can anyone suggest a suitable free M$ photo editing programme please, (I'm
 well out of touch with M$ now).

 If all else fails he'll have to come here and use my Linux laptop with
 Gimp but it will not be easy without his wife finding out (Christmas
 present!!).

 Any suggestions please?

 --
 *Clive Wills*

 /Powered by Linux  Open Source Software///


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Re: [Dorset] Supply of a Church Video System

2012-11-15 Thread Andrew Drapper
Hi,

I probably can not help with the church video system, but am a christian in
the Yeovil area. It is good to hear from another fellow Christian on this
group. I normally work on Apple Mac, not the cheapest of computers but
serve me well. I do PowerPoint type presentations teaching evangelism all
over the UK.

You can see a little at www.evangelismtraining.co.uk

God bless.


Andrew Drapper

www.Bible-Matters.com

*The million dollar question: *

Will you go to heaven when you die? Here's a quick test. Have you ever told
a lie, stolen anything, or used God's name in vain? Jesus said, Whoever
looks at a women (or man) to lust for her has already committed adultery
with her(him)in his heart. Have you ever looked with lust? Will YOU be
guilty on judgement day? If you have done these things God sees you as a
lying, thieving, blasphemous, adulterer-at-heart. The bible warns that if
you are guilty you will end up in hell. That's not God's will. He sent His
Son Jesus to suffer and die on the cross for you. You broke God's law but
Jesus paid your fine. That means He can legally dismiss your case. He can
commute your death sentence. For God so loved the world that He gave His
only begotten Son, that whoever believes in Him should not perish but have
everlasting life. Then He rose from the dead and defeated death. Please
turn from your sin today and trust in Jesus as your Saviour and God will
grant you the gift of everlasting life. Then read your bible daily and obey
it.



On 15 November 2012 20:09, Clive A Wills cawi...@talktalk.net wrote:

 Hi All

 Is there anyone who could supply and support (initially) a Church Video
 System and would like to offer help to sort out a suitable system?

 At the moment we have an ageing PC based system which relays the live
 Service to 5 or 6 analogue TV's and a projector, shows the words to songs 
 hymns onto the screens, records the Service to HD  DVD, is able to play
 DVD content and links into the Audio system. The 2 cameras are in fixed
 positions but fully adjustable for side to side, up/down and zoom. There
 may be other requirements but that's the main ones.

 The person in charge has obtained several quotes from 'national' firms
 which estimate cost equivalent to replacing the whole Church heating system
 including the boiler!
 The costs may be reduced if open software was/is available but I have no
 knowledge of what is possible?

 Anyone able to help? If so reply off line to me in first instance please.
 --
 *Clive Wills*

 /Powered by Linux  Open Source Software///


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Re: [Dorset] nvidia drivers

2012-09-24 Thread Andrew Montgomery-Hurrell
Don't use the 295.40 version of the official nvidia drivers as they
can cause serious graphical corruption and crashes due to a bug,
especially on older cards ( reference:
http://www.phoronix.com/scan.php?page=news_itempx=MTA4ODc ). I'm
running on the beta drivers and those seem to work fine through on my
dual 1080p monitors at work.

On 24 September 2012 11:01, Sean Gibbins s...@funkygibbins.me.uk wrote:
 On 24/09/12 10:42, gladelands wrote:

 Hi all,

 Has anybody had experience of using nvidia graphics cards with widescreen
 (1920 x 1024) monitors under Linux?

 I have downloaded nvidias own driver file but it has to run with X window
 turned off.

 Before I try this is there anything that anybody knows that I should NOT
 do whilst trying this?

 Regards

 George

 PS this is a rescued windows machine that I got REALLY cheap



 Hi George,

 A few of questions:

 1. What distro are you using?
 2. What card have you got?
 3. What monitor(s) are we talking about?

 With regard to (1), if you are using any of the Ubuntu variants installing
 nVidia drivers is a fairly trivial thing to do, as indeed is the
 configuration of most graphics cards and monitors.

 With regard to (2), if the machine was that cheap you might find the
 graphics card/chip lacks the necessary oomph in terms of GPU and memory to
 make this a viable proposition.

 As for things to avoid, I think the days are gone when you could drive a
 monitor too hard and damage it, unless of course you are using old CRTs, in
 which case you might want to wait for a bit more input from someone who
 knows what they are talking about before you proceed.

 Sean

 --
 music, film, comics, books, rants and drivel:

 www.funkygibbins.me.uk



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Re: [Dorset] Best starter programming language

2012-09-15 Thread Andrew Drapper
*Leo Laporte*, (The Tech Guy) always recommends a programming language that
will not take you very far, but lays VERY good foundations for good habits
of programming that make moving on to more complicated languages easier.
Does anyone know what this is. I keep saying every time he mentions it...
I must remember that for my children But you know...

Andrew Drapper




On 15 September 2012 13:22, cawi...@talktalk.net wrote:

 Hi All

 My 12 year old grandson has asked 'Which is the best Programming Language
 to learn?' - over to you all!!

 Please remember he is 12 years old and has just started senior school here
 in Switzerland.  I've suggested he ought to lean a cross platform language
 but I don't know which one. (C, C++, Python, Ruby, Jarva?)
 He has a windows 98 laptop and a MAC at home and I assume a Windows macine
 at school.
 At the moment he is learning to touch type (at school) and uses Libre
 Office and Firefox at home.  He is also interested to programme his Lego
 Mindstorm but does not have anyone to support him and finds it frustrating
 when stuck.

 Any suggestions please?

 --
 *Clive Wills*

 /Powered by Linux  Open Source Software///



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Re: [Dorset] New member

2012-07-04 Thread Andrew R Paterson
On Wednesday 04 July 2012 10:01:42 p.lane wrote:
 On 04/07/2012 09:45, Tim wrote:
  On 03/07/12 20:45, Graeme Gemmill wrote:
  I have just found this LUG, so this is an introductory message. I
  have used Mandrake/Mandriva for several years, and read and
  occasionally contribute to the alt.os.linux.mandriva news group.
  Living in Litton Cheney, I intend to attend the next meeting held in
  Dorchester to meet other Linux users. This may be a bit early to be
  asking for advice/recommendations, but I am interested in
  implementing a Linux-based NAS to provide additional data security on
  my home network accessible from Mandriva and Windows OSs.
  Regards
  Graeme
  
  Hi Graema, Welcome to Dlug
  
  A lot will depend on the type of NAS you are after, I have a single
  Disk NAS from Lacie which has a linux based OS but is aimed really at
  the windows market. I have not tried or even know if it is possible to
  hack the OS. I can mount it on my linux box and it works and have
  mounted it on windows boxes so other in the family can access it. I
  normally back this up on a monthly basis via rsync, it was backed up
  more regularly at one stage but the data is not added to, changed or
  deleted that frequently at the moment so there no need for more
  regular backups.
  
  If you are looking at a multi disk nas, then you could try building
  one to suit, I looked at doing similar a while ago and kept this link
  as the basis of how I would go about it
  http://matthewlai.ca/blog/?p=968 I have no idea if it is any good in
  real life
  
  Hope it helps
  
  Tim
 
 Hi. I'm a new member myself.
 Linksys, Buffalo  DNS all sell good, reasonably priced Linux
 comapatible NAS devices.
 It all comes down to how much you need to store, whether you want to
 mirror 2 or 4 or 8 drives what yuo know about RAID  how much you can
 afford.
 Don't consider DROBO.nice but slow  is a type of X-RAID so a
 proprietary format  even tho they say LINUX compatible, I know they are
 not LINUX friendly.
 BTW all, being a sys admin and having worked with a number of large
 scale RAID detups - EMC  Netapps etc  Sun DiskSuite, if anyone is
 interested, I'll post a RAID fyi.
 Phil.
Hi Graeme,
welcome to Dlug.
I have to ask why you think you need a ready built NAS as opposed to a File 
Server.
You can add lots a disks to an existing linux system, have fun configuring 
linux raid and even use the file server for other things (a normal desktop 
perhaps) and then export the raid filesystems to your LAN with Samba and NFS 
and you wouldnt know the difference.
I bought a cheap NAS once and thanks to its complete lack of expansion 
prospects ended up chucking it away and adding raid to my linux  file server 
which now has some multi-terabyte shared file-systems.
Regards
Andy


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Re: [Dorset] New DVD writing error

2012-06-14 Thread Andrew Morgan

On 14/06/2012 20:36, Peter Merchant wrote:

Devices
---
TSSTcorp CDDVDW SH-222BB SB00 (/dev/sr0, CD-R, CD-RW, CD-ROM, DVD-ROM, 
DVD-R, DVD-RW, DVD-R DL, DVD+R, DVD+RW, DVD+R DL) [DVD-ROM, DVD-R 
Sequential, DVD-R Dual Layer Sequential, DVD-R Dual Layer Jump, 
DVD-RAM, DVD-RW Restricted Overwrite, DVD-RW Sequential, DVD+RW, 
DVD+R, DVD+R Dual Layer, CD-ROM, CD-R, CD-RW] [TAO, Restricted 
Overwrite, Layer Jump] [%7]
TSSTcorp CDDVDW SH-222BB SB00 (/dev/sr1, CD-R, CD-RW, CD-ROM, DVD-ROM, 
DVD-R, DVD-RW, DVD-R DL, DVD+R, DVD+RW, DVD+R DL) [DVD-ROM, DVD-R 
Sequential, DVD-R Dual Layer Sequential, DVD-R Dual Layer Jump, 
DVD-RAM, DVD-RW Restricted Overwrite, DVD-RW Sequential, DVD+RW, 
DVD+R, DVD+R Dual Layer, CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, 
SAO/R96P, SAO/R96R, RAW/R16, RAW/R96P, RAW/R96R, Restricted Overwrite, 
Layer Jump] [%7]



Is there any reason /dev/sr0 and /dev/sr1 show different results here?

Do they have the same (and latest) firmware?
I tend to check using 'dmesg' and searching the output for 'sr0', the 
line above the first instance of 'sr0' tends to be the correct one with 
drive info, eg. mine here says:


[1.865700] scsi 0:0:0:0: CD-ROMTSSTcorp DVDWBD SH-B123L  
SB03 PQ: 0 ANSI: 5


Which is firmware SB03. I have just checked 5 drives and they all have 
the firmware version in the same place, so I am assuming it will be there.


I would be tempted to try one drive at a time, and writing an ISO (UDF, 
etc.) image, possibly using 'wodim'.


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Re: [Dorset] Media Center/server.

2012-04-08 Thread Andrew Drapper
Having done a little looking around LinuxMCE, was a distro that I looked at
to store and feed me media. I liked it as it appeared to do a good job
of grabbing media off a DVD or other sauce and adding it to the archive,
but it looks like it is entended to act as a media center and that you need
to watch the media on the pc running it or on thin clients what ever they
are and I just want to be able to acces it from any of my families macs,
PCs iphone, ipod etc.

Just add the medes to a box, (an old PC or mine) and have it available to
all from there. some have said that I could just use samba or VLC or others
MediaTomb

Can anyone cut through the ?#@@* for me!!!

Andrew Drapper

www.Bible-Matters.com



On 7 April 2012 22:02, Tim t...@xendistar.co.uk wrote:

 On 07/04/12 21:04, Andrew Drapper wrote:

 Thanks Ralph,

 I believe that this is the distro, (where did the 'w' come form), that I
 looked a some years ago when I had nothing to run it on.  In the reading
 that I have done so far I have not seen it used to streem to other
 devices,
 i.e. Macs and Other linux PCs.

 Dose it do this?

 Andrew Drapper




 On 7 April 2012 19:35, Ralph Corderoyra...@inputplus.co.uk**  wrote:

  Hi Andrew,

  I think there are Distrows just for this.

 http://xbmc.org/ is popular and they ship an Ubuntu-based distro,
 http://wiki.xbmc.org/index.**php?title=XBMCbuntuhttp://wiki.xbmc.org/index.php?title=XBMCbuntu
 .

 Cheers, Ralph.

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  Dyne Bolic has a good reputation and it comes in the form or a bootable
 DVD

 http://www.dynebolic.org/


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Re: [Dorset] Raspberry Pi --- necessary accessories

2012-03-09 Thread Andrew Morgan

The ideal thing would be a USB keyboard with a built-in hub, Mac style.

The USB wireless keyboard/mice are fine, the computer sees it as a USB 
HID device with a battery level monitor. Unfortunatly it will keep 
bugging you about low battery within days of changing them if you use 
rechargable batteries. They'll keep running for ages, but it thinks they 
are low because of the lower voltage.


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Re: [Dorset] OT: Backup Software for Windows

2012-03-05 Thread Andrew Morgan


On 05/03/12 21:40, Terry Coles wrote:

So I'm looking for a good Windows Backup program than does incremental backups
(not sync) to external drives. My niece is quite switched on, so I'm sure
she'll get the hang of it without too much difficulty, but (like anything) if
using it is too clunky she'll stop. It needs therefore to be reasonably easy
to get working for a lay person and also to get data back when needed.

Any ideas?



Cygwin + rdiff-backup?

Can be run on demand from a shortcut or on a schedule.

IIRC, the syntax to create a backup is pretty much 'rdiff-backup $source 
$destination'.


In case you haven't used rdiff-backup before, you'll end up with a copy 
of the files which can be recovered easily using regular file-system 
tools (the sync method you said you didn't want ;) ) but as well as that 
you can recover to any point at which you created a backup, as it stores 
diffs or similar.


Of course as it never deletes anything automatically the disk might run 
out of space if there are lots of changes, but it is possible to remove 
older backups somehow. I don't know how as I haven't run out of space on 
my rdiff-backup target yet so I haven't needed to look up how to do it. :)


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Re: [Dorset] Copying DVD's to USB sticks

2011-11-03 Thread Andrew Morgan
I haven't used a GUI to do this, but I have done it for a lot of DVDs*. 
Whatever method you use you will need to install libdvdcss2 on your 
machine, so it can decrypt the DVD. In Ubuntu, which is what I tend to 
use, this isn't simply a package. Installation instructions are here:

https://help.ubuntu.com/community/RestrictedFormats/PlayingDVDs
It appears there are only two steps required to install it.

What I would do is:

Install 'libdvdcss2'.
Install 'vobcopy'.
Open a terminal and type:
cd /path/to/USB/stick/
vobcopy -m

This will create an unencrypted copy of the DVD in whichever directory 
you changed to. This does no transcoding or anything, it simply creates 
a VIDEO_TS structure. It will be the same size as the original, and dual 
layer DVDs can I believe be up to around 8.7 GB. I don't know of any GUI 
way to do it, but I don't think those commands are too difficult. :)
'vobcopy -m' will create a directory named the same as the name of the 
DVD, which sounds great except that a lot of DVDs aren't named very well 
at all. “DVDVolume” is quite common. I've even got a couple of TV 
series' where three of the four discs are named with a common format, 
and one isn't.


* I have also travelled outside of the UK to places where copying a DVD 
for personal use is not illegal.


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Re: [Dorset] rsync with compression

2011-06-26 Thread Andrew Morgan

On 26/06/11 17:40, Tim wrote:
I have a single disk nas which I back up to a external hard disk using 
rsync, the total amount of data I backup from the nas is about 235gb. 
At the moment I use rsync to copy it from the nas to the external hard 
disk, but I am thinking about using the -z option to add compression 
but have a couple of questions


1) what would happen if I just add the -z option to my existing command?


From the man page:
-z, --compress  compress file data during the transfer

The resulting files would be the same, the compression is only for the 
data transfer, which makes more sense when you are using rsync over the 
internet, perhaps via SSH.


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Re: [Dorset] IPv6 day are you ready

2011-04-21 Thread Andrew Morgan

On 21/04/11 20:21, Chris Dennis wrote:
I've just had a couple of emails from Jason Fesler who runs 
test-ipv6.com, and he says:

\
Unless you're trying to reach sites that are IPv6-only and have no 
way to be reached via IPv4, I'd consider disabling teredo and 
miredo.  You're intentionally prefering complex setups that can take 
your packets through further routes, and through locations you have 
nobody to complain to when they break.


http://en.wikipedia.org/wiki/Teredo_tunneling
http://technet.microsoft.com/en-us/library/bb457011.aspx


Is that true?  Do teredo/miredo make connections more complicated for 
IPv4 addresses?


If your only IPv6 connection is via Teredo, and if the site you are 
trying to reach supports both IPv4 and IPv6, and if your software 
prefers IPv6 over IPv4 then yes, it will send the connection via Teredo 
rather than directly by IPv4.


If the site is IPv4 only then no, it won't be more complicated. If the 
site is IPv6 only then it is via Teredo or nothing.


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Re: [Dorset] IPv6 day are you ready?

2011-04-20 Thread Andrew Morgan

On 20/04/11 12:42, Chris Dennis wrote:

Can anyone recommend a suitable wifi-enabled ADSL router for IPV6?
The only one I've used was a 2Wire router, a long time ago. I think BT 
were doing an IPv6 test and I was surprised to find I got a real IPv6 
address on it.


Your best bet might be something which you can run OpenWRT on. Only 
trouble is their list of supported hardware doesn't seem to include 
anything which does ADSL, so you would have to get an ethernet (or 
'cable') router and an ethernet ADSL modem.
I've got a D-Link DIR-825 running OpenWRT and it was fairly easy to 
install. I don't have it connected to ADSL though.


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Re: [Dorset] IPv6 day are you ready

2011-04-19 Thread Andrew Morgan

On 19/04/11 22:49, Tim wrote:

Thought you might like this

http://test-ipv6.com/



Well, my ISP and router don't support IPv6 but I discovered Miredo 
(Teredo) a while ago. It doesn't seem to work if both ends are using 
Teredo behind IPv4 NAT, but other than that it does allow you to connect 
to the IPv6 internet.


In Ubuntu (and presumably Debian?) IPv6 support is as easy as 'apt-get 
install miredo'. It seems to be made of magic as it sets its self up 
automatically in seconds. I've done this on all of my Linux machines now.


With Miredo I got 10/10 and 9/10 because my ISP's DNS server doesn't 
support IPv6.


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Re: [Dorset] IPv6 day are you ready

2011-04-19 Thread Andrew Morgan

On 20/04/11 00:07, Ralph Corderoy wrote:

Hi Andrew,


With Miredo I got 10/10 and 9/10 because my ISP's DNS server doesn't
support IPv6.

Do you get that elusive last point if you switch to 8.8.4.4 and/or
8.8.8.8?

No, still 9/10.

According to the info on the test which fails:
*Confirmation:* |dig  .v6ns.test-ipv6.com| should return back an 
 record without errors.

This returns SERVFAIL when using 8.8.8.8 or 8.8.4.4 as DNS servers.

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Re: [Dorset] Setting up hostname in Linux

2011-04-05 Thread Andrew Reid Paterson
On Monday, April 04, 2011 11:37:19 PM Ralph Corderoy wrote:
 Hi Terry,
 
  Maybe my memory is faulty, but my recollection of doing this on
  earlier Unix systems, (like Solaris), is that the hostname went into
  the file called hostname (or similar) and that did it (after a
  reboot).
 
 Debian/Ubuntu still have that.
 
 $ cat /etc/hostname
 orac
 $ hostname
 orac
 $ hostname -f
 orac
 $
 
 Note, the -f output is wrong here, I haven't got it to be correct yet
 which is annoying as some programs, e.g. postfix, rightly expect it to
 be a fully-qualified domain name (FQDN).
 
 Cheers,
 Ralph.
FC14 seems to use the /etc/sysconfig tree to hold this kind of info
/etc/sysconfig/network:HOSTNAME=myhostname
 /etc/rc.sysinit reads the sysconfig tree
Regards
Andy

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Re: [Dorset] USB 1-2 problem

2011-03-14 Thread Andrew Morgan
I believe keyboards  mice are all USB 1.1. I have some USB 1.1 devices 
working on Ubuntu.


If it is a 54mbit (or faster) USB device then I would expect it to be 
USB 2, otherwise it is limited to 11 Mb/s or thereabouts.


'lsusb -v' will show you a lot of information. The 'bcdUSB' lines show 
you the USB version in use by a particular device.


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Re: [Dorset] DNS on an isolated (1:1) network

2011-03-10 Thread Andrew Reid Paterson
On Thursday, March 10, 2011 08:17:20 pm John Carlyle-Clarke wrote:
 On 10/03/11 18:59, Terry Coles wrote:
  On Thursday 10 Mar 2011, Chris Dennis wrote:
  dnsmasq[1] is relatively simple to work with, and is probably available
  in your favourite distro.
  
  [1] http://www.thekelleys.org.uk/dnsmasq/doc.html
  
  Thanks.  That looks like a good start.
 
 +1 for dnsmasq.
 
 I have configured dhcpd and bind to do DHCP, DNS and dynamic DNS updates
 before, but it was not easy.  dnsmasq, by comparison, takes about 10
 minutes to set up (and that includes the time to make a cup of tea).
 
 
 
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I completely agree with you - I had the same trouble.
+2 to dnsmasq

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Re: [Dorset] [OT] DNS port number

2011-02-25 Thread Andrew Reid Paterson
On Friday, February 25, 2011 05:25:29 pm Ralph Corderoy wrote:
 Hi Andrew,
 
  Once a connection is made (an incoming connect request to an allowed
  port) accept(2) will grab another port so that the original port is
  free for further connect requests.
 
 For the benefit of others, since I know you really know this already
 
 :-), accept(2) creates another *socket* to handle the connection that's
 
 been made, not another port, so further connection requests on the
 existing socket can be accepted.  The port number is the same for both
 sockets;  that's fine since the 5-tuple overall with be distinct between
 the two.
 
 Cheers,
 Ralph.
 
 
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Yup!
sincerest apologies.
You are of course right - its the 5-tuple that identifies the endpoint.
Andy

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Re: [Dorset] [OT] DNS port number

2011-02-23 Thread Andrew Reid Paterson
On Wednesday, February 23, 2011 11:11:59 pm jr wrote:
 On 23 February 2011 23:03, Tim xendis...@gmx.com wrote:
  Any thoughts?
 
 I'd look into setting up a DMZ box (if you've a spare machine),
 separating the internal network from the Virgin/BT/whatever supplied
 h/ware.  extreme, admittedly, but what price peace of mind?
Hi Tim,
I have precisely this kind of setup simply by having two network interfaces on 
my main system which runs iptables and is connected vis the internal lan cable 
and hub to a wireless repeater on which connect to my wifi gadgets like ps3, 
nokia phone  bravia tv.
What I really like is the level of control I have from configuring iptables 
right down to monitoring with wireshark and dhcp contro of clients.
Perish the thought of a cable wifi router.
incidentally, as Dan sys 8.8.8.8 is google dns.
Whya are you not using Virgins own dns - which can be set via dhcp?
Regards
Andy

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Re: [Dorset] Slight OT: Regular Expressions in Winblows

2011-02-21 Thread Andrew Reid Paterson
On Monday, February 21, 2011 09:38:24 pm Keith Edmunds wrote:
 On Mon, 21 Feb 2011 21:21:14 +, l...@discoverlinux.co.uk said:
  In vi
  
  :1,$s/_[0-9][0-9][0-9][0-9]/found/g
 
 In case it isn't clear, Vim is available on Windows as well. I know Vim
 isn't everyone's cup of tea (for some inexplicable reason), but good to
 know that there is a powerful editor available for those unfortunate
 enough to need to edit files on a Windows platform.
 
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And of course winviis available on windows too.
Andy

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