Re: [Dorset] Suggestions for distro to run email server and POP3/IMAP.

2024-01-04 Thread Paul Tansom

On 04/01/2024 11:40, Ralph Corderoy wrote:

Hi,

Tim wrote:

Probably obvious, but when you use containers do make sure you have a
solution in place for keeping current with updates.

Not that obvious to me, as you probably suspected.  I've not done much
with containers before.

Seems I need to poll to learn of a later tag on the remote hub.
Presumably there's a command method instead of ‘browsing’ as various web
pages suggest?  And then it's a ‘pull, stop, run’ dance to get the new
one running with the containers' data persisting through the image's
volumes.

‘apt-get upgrade -u’ does have a certain charm to it, in comparison.

Should I use Podman rather than Docker?  I see it's daemonless.  Would
there be much other advantage if I'm just interested in a simple set up?


I've not explored Podman, but in terms of keeping things up to date I 
use Watchtower. It installs in another container and can be configured 
to auto update, or just notify. Personally I just get it to both email 
me and pop a message into my Discord server. The Discord bit is 
experimental as much as anything, but I seem to be on so many of these 
platforms for different things I thought I'd get them all running and 
then ditch whichever I didn't want to use. Since I use 
docker-compose.yml files for setting up my containers I can simply run a 
docker compose up -d to pull the new image and sort things out. All my 
data is in external volumes or bind mounts (volumes annoy me a bit as to 
be platform agnostic they have to be in a set location, and with my disk 
setup that means I'm forced to use bind mounts unless I want to loop 
back a Samba or NFS mount which really doesn't seem to make sense). 
Another option is Portainer that I keep going back and forth on whether 
I like or not. It notifies of updates and I've got a free tier business 
license (it was 5 nodes when I signed up, but has dropped to 3 now I 
think), which allows me to store my docker-compose.yml files in Gitlab 
and pull from there. I upload .env files with the secure data that's 
stored locally (and allows me to use a single docker-compose.yml file 
for multiple containers). I'm trying to work out whether it will work 
nicely with Dockerfiles to allow me to modify the image as I currently 
have a phpfpm image that I run some commands against on creation to add 
Maridb / MySQL support and a few other bits, which takes a while when 
updating. Doing that and creating a new image would give a shorter 
downtime but I've not investigated how that would complicate monitoring 
updates as the source image wouldn't actually be installed.


All this is fairly new stuff for me, and I've been out of things for a 
couple of years caring for my dad with prostate cancer and Alzheimer's, 
and after he died back in May I've been suffering from back problems and 
my wife has been diagnosed with breast cancer. I started a server 
migration to 64 bit and Docker containers and promptly went down with 
Covid (as did my wife in the middle fo chemotherapy) which stalled 
things, and in spite of preparing with test setups I've found myself 
completely reworking the setup to use shared Nginx, Mariadb and PHP 
containers to ease the load on my poor old VPS.


Some of my Docker stuff is available to look at on Gitlab as snapshots 
of what I'm actually playing with in a private repository. I've tried to 
put decent notes with the config files: 
https://gitlab.com/aptanet/docker-compose-files


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Re: [Dorset] Suggestions for distro to run email server and POP3/IMAP.

2024-01-03 Thread Paul Tansom

On 03/01/2024 14:35, Ralph Corderoy wrote:

 Hi,

 I'm looking to set up a virtual server to send and receive email for
a domain name and store the email for pick-up by users over POP3 and IMAP.
Normally, I'd go for Debian and then configure Exim, Dovecot and others to
provide a Let's Encrypt TLS certificate, SPF, DKIM, DMARC, SpamAssassin,
etc.  It's a long list of things to configure, test, and debug.

 But I was wondering if there's a turn-key off-the-shelf distro which
makes this simpler.  I'm not bothered about a GUI or web configuration
interface.  And it doesn't have to be Linux; I know FreeBSD is quite
popular in this area, historically because of ZFS.

 A small-office/home-office distro might be he kind of thing.
This isn't for a desktop user but an Internet server; a headless box
accessed remotely.

 I'd like to hear of suggestions and especially any experience,
whether good or bad.


I haven't done anything more than install it and test that it can send 
and receive mail so far, so can't provide a solid recommendation, but 
you may like to take a look at Docker Mailserver (assuming you're happy 
to install and work with Docker. Base distro isn't too important so long 
as it supports an easy Docker install, but I'm running it on Ubuntu 
22.04 LTS quite happily. It bundles and provides configuration scripts 
for Postfix, Dovecot, Rspamd, Amavis, Spamassassin, ClamAV, OpenDKIM, 
OpenDMARC, Fail2ban, Fetchmail, Getmail6, Postscreen and Postgrey with 
support for LetsEncrypt and SASLauthd with LDAP support. That's largely 
pulled from the GitHub page. I'm working on replacing my Exim / Dovecot 
setup with it to see how it goes. It seems to be regularly kept up to 
date, with the last update 15 hours ago.


https://github.com/docker-mailserver/docker-mailserver

https://hub.docker.com/r/mailserver/docker-mailserver

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[Dorset] Portsmouth and South East Hants LUG - virtual meet July 18th

2020-07-15 Thread Paul Tansom
I don't usually send these to Dorset, but since we are meeting virtually
I thought it might be of interest - I possibly should have thought of it
sooner. Hopefully nobody will object. I'm happy to post notices about
our in person meets as well if it is of use, they go to Hants, Surrey,
Sussex, IoW and Rustington LUGs as people do attend from there. I won't
do so unless requested though as you are welcome to join the PLUG list
or check the website if you do want to attend - when we get back to IRL
meets!



Another virtual meeting this month, our venue is currently still closed.

The meet will be slightly later than our in person meets at 2pm to give
everyone enough time to have lunch - virtual sandwiches aren't as
filling!

To join head to:

https://meet.jit.si/plugmeet

This month there might be a talk on WireGuard, although that is far from
guaranteed as it depends on the availability of the speaker which isn't
finalised yet. With a fair weather and a decent cross channel breeze it
may happen though. On the plus side, there is no need to travel and find
out it isn't happening. For anyone interested in WireGuard there will be
the opportunity to chat anyway as I have just set it up on my OpenWrt
router and connected from my Android phone and laptop. My phone detects
when it isn't on my local WiFi and brings up the VPN automatically...
but that uses Tasker which isn't open source so perhaps I shouldn't
mention that!

I'm not sure whether Jitsi has issues with random people joining, but
just in case I will set a password of 'sat20'. If for some reason the
URL above has been grabbed I will update via the list and website (you
don't seem to be able to reserve them).

I use Firefox, but I have heard that some have had issues and recommend
Chrome or Chromium. There is also an app that you will be asked to
download if you are using Android or Apple (it is also available through
F-Droid).

See and/or hear you there - so to speak!

Keep safe.

Thanks,
Paul

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Re: [Dorset] Web Hosting

2019-09-10 Thread Paul Tansom
** Ralph Corderoy  [2019-09-10 10:03]:
> Hi Tim,
> 
> > can anybody recommend any web hosting companies
> ...
> > I am only after a personal hosting packages, any recommendation's
> 
> What do you need?  Does static hosting from something like
> https://docs.gitlab.com/ee/user/project/pages/ that can appear under
> your own domain suffice?  GitHub offers something similar.
> 
> If you want a VM under your control then there's BitFolk, as Paul said.
> https://bitfolk.com/plans.html
> 
> Or for one-page web sites with ready-made templates, try
> https://carrd.co
** end quote [Ralph Corderoy]

I'd forgotten about Github, and hadn't realised Gitlab did the same (although
it makes sense).

The thing that promted me to reply though was the cookie prompt on Gitlab. It
is probably the best I've seen, with a quick description and a few checkboxes
to adjust the options neatly within the popup. I guess they aren't trying to
cover up a raft of tracking and advertising cookies though! Maybe I'm just a
techie and likes to see the technical details clearly :-)

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Re: [Dorset] Web Hosting

2019-09-09 Thread Paul Tansom
** zir...@xendistar.co.uk  [2019-09-09 21:14]:
> Evening all
> 
> Slightly of topic, but can anybody recommend any web hosting companies I am
> currently with TSOHost and I have to say that their service has fallen badly
> from what it used to be.
> 
> I am only after a personal hosting packages, any recommendation's
** end quote [zir...@xendistar.co.uk]

I can't speak from personal experience as I've had a VPS with Bitfolk
for many years, but I know a number of people happy with RedIT based in
Portsmouth. Scott, who runs the company, is a regular and a sponsor at
the monthly Portsmouth Wordpress Meetups, as well as frequently
attending PHP Hants (although I've not made that one myself for a while
now). One nice things is that they support Let's Encrypt for free SSL
certificates, which is something I had problems with when I took over
running a site a year or so back and ended up migrating it to my own
server as I could only get a certificate by paying for it. Tell him I
sent you and if it works out he may buy me a pint ;-)

https://www.redit.co.uk/

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Re: [Dorset] Knotes and other means of keeping files

2019-03-18 Thread Paul Tansom
** Keith Edmunds  [2019-03-16 16:55]:
> On Sat, 16 Mar 2019 16:19:53 +, dorset@mailman.lug.org.uk said:
> 
> > Until Google retires Keep.
> 
> For that reason, I have started using Simplenote. Not as sexy as Keep, but
> it does support markup, and runs natively on Linux, OSX and Windows as
> well as in a web browser.
** end quote [Keith Edmunds]

I was using Evernote for a while, until I realised that I was using it
primarily to save bookmarks from my phone and changes had made that no longer a
good option. I seem to remember it was no longer saving the link but taking a
snapshot or something, and getting them out was a pain. Data was going in but
never coming out, and my other notes were getting lost in the mix. Migrating
was a nightmare; which happened when they changed some terms and conditions
iirc.

Anyway, I now use Joplin which uses markup and stores the data in Dropbox
(currently, I'll be moving Nextcloud soon). That means I can sync with my
desktop; I'm using an Appimage on the desktop...

...and thanks to this post I've finally got round to both configuring it and
migrating my data to Nextcloud from Dropbox. On the other hand, I have also
realised why I haven't already done it, which means my phone and desktop are
currently at odds!

My Nextcloud instance moved to a temporary home on a Raspberry Pi (Nextcloud
Box) and is still there. This leaves me slightly restricted in terms of adding
an https certificate. It does support Let'sEncrypt, but only if I open up a
port forward to my Pi to authenticate, which I don't want to do. Self signed
certificates are not handled well on many Android apps (they don't allow
override easily, or keep wanting to to confirm the override - sensible security
measures no doubt). I'm assuming that is why I can't connect on the Android
app; the desktop version has a nice checkbox to ignore certificate issues.

Anyhoo, my strange issues apart, Joplin is probably worth a look.

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Re: [Dorset] Micro:Bit

2019-03-14 Thread Paul Tansom
** PeterMerchant via dorset  [2019-03-14 12:13]:
> On 13/03/2019 17:39, Paul Tansom wrote:
> > ** Ralph Corderoy  [2019-03-10 14:46]:
> > > Hi Terry,
> > > 
> > > > I commented that it was a shame that the Government / BBC hadn't
> > > > chosen the Raspberry Pi, since it already had a strong community.
> > > I think two things counted against the Pi back then.  It's price, though
> > > I haven't checked on what Pi models were available when the decisions
> > > would have been being made, i.e. quite a bit before the micro:bit's
> > > release.  And the opaqueness of its innards given it's a proprietary GPU
> > > that happens to be able to load code for an ARM on the side to run.
> > > Broadcom were never keen on opening the private bits up when I used to
> > > follow the topic.
> > > 
> > > In comparison, the micro:bit is a lot more standard design for a `dev'
> > > board, with two ARMs, a Cortex M0 where your code runs, and a Cortex M0+
> > > that provides the USB access to program the M0.  Ditching the video
> > > output leaves a simpler system to build from scratch.
> > > 
> > > (I have a micro:bit.)
> > ** end quote [Ralph Corderoy]
> > 
> > They are in fact very different beasts. I was initially very enthusiastic 
> > about
> > the Raspberry Pi, and still am to some extent, but less so in a school
> > environment. To be fair it depends on the infrastructure. A lab full of them
> > with various bits of physical computing to go with them is great, but I've
> > tended to see teachers wondering what to do with them, lacking the space,
> > keyboards, mice and screens to use without detaching the ones on the 
> > existing
> > IT suite and then looking to use them in ways that, in the school 
> > environment,
> > you could just as easily do on the desktop with the right software. To my 
> > mind
> > there are two key advantages to the Pi. Cheap machine to be used at home
> > instead of the main computer to experiment with (very much the home 
> > computer of
> > my youth - bar the games I guess), or properly setup for physical computing
> > (again, to some extent BBC Micro style). They need a notable investment in 
> > time
> > and resources for proper use in schools.
> > 
> > By contrast I was pretty sceptical about the Micro:bit when it was 
> > launched. I
> > couldn't quite see how it would be used. I've changed my mind, largely 
> > based on
> > the fact that they are plug and play into a desktop computer (well not with 
> > the
> > latest firmware on Windows 7, but that's another story), and you can code on
> > the desktop and download onto a physical device in a very hands on way. It 
> > is
> > to some extent more like an Arduino, where the Raspberry Pi is a stand alone
> > computer (although that can be flexible in some cases). One pain point is
> > power, it is a shame they backed off the original plan here, the AAA battery
> > pack is a pain and a coin cell pack adds to the cost.
> > 
> > A couple of simple examples from my after school club in a primary school:
> > 
> > I intended to use a Raspberry Pi to control a robotic arm, but in the end it
> > was easier to use my netbook than get a screen, keyboard and mouse setup.
> > 
> > I have used a Pi with a Unicorn Hat (8x8 grid of LEDs) to play with old 
> > school
> > user defined graphics drawn on a piece of paper in frames, converted to a
> > number (good old binary) and entered into a Python program. That needed 
> > time to
> > disconnect the monitor and then use my wireless keyboard/touchpad so I had 
> > one
> > for the whole class. I had some great animations :-)
> > 
> > Micro:bit wise, I've used them for a Rock, Paper, Scissors game (popular as 
> > I
> > walked across the playground, as I forgot I had it on a lanyard round my
> > neck!). It can play against another Micro:bit, a similar program on Scratch,
> > live opponent or etc. - although not necessarily with direct communication!
> > 
> > I'm playing with the 'radio' for messaging between Micro:bits at the moment,
> > but it hasn't been field tested in class.
> > 
> > Referencing the issues touched on above, the latest firmware introduces 
> > WebUSB
> > to allow the code to download from the browser (presumably whichever 
> > language
> > you choose) straight to the Micro:bit, but this lacks support in Windows 7.
> > This causes plug and play issues, p

Re: [Dorset] Micro:Bit

2019-03-13 Thread Paul Tansom
** Ralph Corderoy  [2019-03-10 14:46]:
> Hi Terry,
> 
> > I commented that it was a shame that the Government / BBC hadn't
> > chosen the Raspberry Pi, since it already had a strong community.
> 
> I think two things counted against the Pi back then.  It's price, though
> I haven't checked on what Pi models were available when the decisions
> would have been being made, i.e. quite a bit before the micro:bit's
> release.  And the opaqueness of its innards given it's a proprietary GPU
> that happens to be able to load code for an ARM on the side to run.
> Broadcom were never keen on opening the private bits up when I used to
> follow the topic.
> 
> In comparison, the micro:bit is a lot more standard design for a `dev'
> board, with two ARMs, a Cortex M0 where your code runs, and a Cortex M0+
> that provides the USB access to program the M0.  Ditching the video
> output leaves a simpler system to build from scratch.
> 
> (I have a micro:bit.)
** end quote [Ralph Corderoy]

They are in fact very different beasts. I was initially very enthusiastic about
the Raspberry Pi, and still am to some extent, but less so in a school
environment. To be fair it depends on the infrastructure. A lab full of them
with various bits of physical computing to go with them is great, but I've
tended to see teachers wondering what to do with them, lacking the space,
keyboards, mice and screens to use without detaching the ones on the existing
IT suite and then looking to use them in ways that, in the school environment,
you could just as easily do on the desktop with the right software. To my mind
there are two key advantages to the Pi. Cheap machine to be used at home
instead of the main computer to experiment with (very much the home computer of
my youth - bar the games I guess), or properly setup for physical computing
(again, to some extent BBC Micro style). They need a notable investment in time
and resources for proper use in schools.

By contrast I was pretty sceptical about the Micro:bit when it was launched. I
couldn't quite see how it would be used. I've changed my mind, largely based on
the fact that they are plug and play into a desktop computer (well not with the
latest firmware on Windows 7, but that's another story), and you can code on
the desktop and download onto a physical device in a very hands on way. It is
to some extent more like an Arduino, where the Raspberry Pi is a stand alone
computer (although that can be flexible in some cases). One pain point is
power, it is a shame they backed off the original plan here, the AAA battery
pack is a pain and a coin cell pack adds to the cost.

A couple of simple examples from my after school club in a primary school:

I intended to use a Raspberry Pi to control a robotic arm, but in the end it
was easier to use my netbook than get a screen, keyboard and mouse setup.

I have used a Pi with a Unicorn Hat (8x8 grid of LEDs) to play with old school
user defined graphics drawn on a piece of paper in frames, converted to a
number (good old binary) and entered into a Python program. That needed time to
disconnect the monitor and then use my wireless keyboard/touchpad so I had one
for the whole class. I had some great animations :-)

Micro:bit wise, I've used them for a Rock, Paper, Scissors game (popular as I
walked across the playground, as I forgot I had it on a lanyard round my
neck!). It can play against another Micro:bit, a similar program on Scratch,
live opponent or etc. - although not necessarily with direct communication!

I'm playing with the 'radio' for messaging between Micro:bits at the moment,
but it hasn't been field tested in class.

Referencing the issues touched on above, the latest firmware introduces WebUSB
to allow the code to download from the browser (presumably whichever language
you choose) straight to the Micro:bit, but this lacks support in Windows 7.
This causes plug and play issues, particularly when it reinstalls the driver if
you don't use exactly the same unit.

There may be some interesting possibilities with the Pi Zero that can connect
using an OTG cable allowing SSH access (or other network protocol) giving the
potential for similar interaction to the Micro:bit (although more complex) and
removing the need for extra peripherals. You could then control the various
Hats via Python from a desktop. There was also a thing called the Rtk.GPIO
which connected to a PC via USB to give it Raspberry Pi compatible GPIO ports.
Not sure where / whether they are still available, and they didn't work with
all Hats.

That was more than I planned to type. Just checked and I appear to have 13
Raspberry Pis of various sorts (one running Nextcloud for the past couple of
years) and 11 Micro:bits. I know where all the Micro:bits are

Re: [Dorset] OT: Peter Jackson's _They Shall Not Grow Old_.

2019-02-04 Thread Paul Tansom
** Ralph Corderoy  [2019-02-04 09:21]:
> Hi,
> 
> At a recent meeting, Terry mentioned Peter Jackson's _They Shall Not
> Grow Old_, that he was interested, but missed it.  I would email him
> alone but others that I forget were in his boat.
> 
> The BBC have repeated it, and it is available on iPlayer for a while.
> 
> https://twitter.com/I_W_M/status/1091688953722347521
> https://www.bbc.co.uk/programmes/b0brzkzx
> 
> The film uses many interviews that the Imperial War Museum recorded with
> veterans some decades ago in its soundtrack, but I particularly liked
> the sound from the restored film being in the background, e.g. some NCO
> telling them to get a move on.
> 
> Cheers, Ralph.
** end quote [Ralph Corderoy]

Yes, I was annoyed that I missed it (well, technically I recorded it but due to
the joy and reliability of Sky it failed). I stumbled upon the repeat shortly
after it started and as I read this email have 77% downloaded ready to watch
(not on the Sky box, I all too often find a programme has been deleted because
I haven't watched it quickly enough when I use Sky!).

Glad to have the heads up though, if if I didn't need it :-)

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Re: [Dorset] OpenWRT (was Network connectivity issues)

2019-01-15 Thread Paul Tansom
** Tim  [2019-01-14 17:59]:

> > I see that sometimes with my access point. It seems to pass traffic fine on 
> > the
> > wired connections, and several existing wireless connections work fine, but 
> > new
> > ones and the odd existing one and indicate they are working, but completely
> > fail when it comes to actually using anything on the network. After a while
> > they stop picking up DHCP leases (likely beause my AP doesn't handle that 
> > as my
> > config is beyond its capabilities - or was historically). After a while (if 
> > I
> > leave it that long) other devices start failing to route traffic too.
> > 
> > I have found the same issue with my the Billion BiPAC 7800N, the replacement
> > Netgear WNDR3700, the next replacement TP-Link TL-WDR3600 and the current
> > Netgear WNDR3700 with OpenWRT installed (which is actually much better, but
> > still not perfect).
> > 
> > The Netgear was aimed at improving performance, but was replaced because 
> > there
> > were two features on it that I needed that couldn't be used at the same time
> > (from memory VPN and IPv6). The TP-Link was replaced because it seems that 
> > it
> > doesn't support IPv6 with the majority of ISPs in the UK (hard coded a /64 
> > when
> > most supply a /56). I'm still working on IPv6 on OpenWRT. I've got a tunnel
> > with Hurricane Electric working, but not my native addresses from my ISP (I
> > must have a decent conversation with them to confirm their setup). 
> > Comparing to
> > the old Billion isn't helpful because that just had a tick box to enable 
> > IPv6
> > which 'just worked'!
> > 
> > Anyhoo, I've strayed off the original thread!
> > 
> I am considering putting WRT on my router, have to say that I am appalled at
> the level of ability in its standard firmware, ever heard of a router that
> can not block a port.
> 
> If anybody has any stories regarding OpenWRT I would interested to hear them
** end quote [Tim]

I was suprised how easy OpenWRT was to install, and have settled quite nicely
into using an SSH connection to connect in and update packages (remembering to
update the list as it isn't stored - understandably). This actually gives the
option to automate it with Ansible, which only requires an SSH connection to
work.

If you want to play there are plenty of budget routers to experiment with and
some are even easily available through things like Freecycle / Freegle /
Gumtree / etc.. My first one, which admittedly was with DD-WRT not OpenWRT, was
a D-Link DIR615 that I picked up for free as it was badged as a Virgin router.
It was only custom firmware on standard hardware, so could be re-flashed with
the stock firmware (much like the Netear DG834 units used by Sky some years ago
- I did well with free ones of those reflashed too stock allowing an easy VPN
to parents and in-laws for IT support - there was an odd date bug in the log
email code though that jumped the month back a couple of months at the end of
the year). That I setup as a wireless access point with a straight forward
install of DD-WRT. This was a handy cheap way of extending my wifi coverage.

One thing to check carefully is the version of the router you have. I bought a
second Netgear WNDR3700 and ended up getting a version 5, which unfortunately
is totally different hardware and incompatible with OpenWRT (annoyingly I knew
this and when I added it to my eBay watch list it was listed as a v4, but when
I checked after it arrived the listing had been changed with no way to track
when the version was modified). The v4 is the best option with this model as it
has more flash & ram and a faster processor).

I should probably dig out the slides for my talk and get them up on the PLUG
(http://portsmouth.lug.org.uk) website really!

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Re: [Dorset] Network connectivity issues

2019-01-14 Thread Paul Tansom
s and the odd existing one and indicate they are working, but completely
fail when it comes to actually using anything on the network. After a while
they stop picking up DHCP leases (likely beause my AP doesn't handle that as my
config is beyond its capabilities - or was historically). After a while (if I
leave it that long) other devices start failing to route traffic too.

I have found the same issue with my the Billion BiPAC 7800N, the replacement
Netgear WNDR3700, the next replacement TP-Link TL-WDR3600 and the current
Netgear WNDR3700 with OpenWRT installed (which is actually much better, but
still not perfect).

The Netgear was aimed at improving performance, but was replaced because there
were two features on it that I needed that couldn't be used at the same time
(from memory VPN and IPv6). The TP-Link was replaced because it seems that it
doesn't support IPv6 with the majority of ISPs in the UK (hard coded a /64 when
most supply a /56). I'm still working on IPv6 on OpenWRT. I've got a tunnel
with Hurricane Electric working, but not my native addresses from my ISP (I
must have a decent conversation with them to confirm their setup). Comparing to
the old Billion isn't helpful because that just had a tick box to enable IPv6
which 'just worked'!

Anyhoo, I've strayed off the original thread!

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Re: [Dorset] Off-Topic - Dashcams

2018-09-14 Thread Paul Tansom
Likewise, although I have the 412GW. I think the only real differences
are the slightly larger screen, higher resolution or faster frame rate
when recording, wifi/smartphone app (which I've never used) and touch
'buttons' rather than physical buttons on the 312GW (I sometimes think
the physical buttons would be better as I keep switching it on when I
take it off!).

I went for the 412GW largely because it was on special offer and worked
out slightly cheaper than the 312GW (same price at £99, but included the
polarizing lens to reduce glare). I've been quite happy with it, bar the
Windows only software. I suspect you can get at the footage from Linux
since it just shows up as external storage, but I think you'll need the
Nextbase software to get at the meta data. I've not tried that with Wine
yet.

I'll second the use of a decent size micro sd card, although I think the
current ones can take a 128GB card. I've been impressed with the picture
quality on it, even in low light, but to be honest, now I've got it
setup (with the hardwire kit to save my accessory socket for my satnav
and bluetooth/fm thing) it tends to get sat in place and ignored. I
can't remember the last time I connected it to my computer - although
they do recommend reformatting the card once a month iirc.

** Tim  [2018-09-14 18:01]:
> 
> I have the 312 and it functions nicely, not tried using it on Linux yet.
> Bear in mind that you will need to purchase a micro sd card, I would
> recommend getting at 32gb (class 10) maximum size so you will need to cost
> that in.
> 
> Tim H
> 
> 
> On 14/09/18 12:14, PeterMerchant via dorset wrote:
> > On 14/09/18 11:29, Terry Coles wrote:
> > > On Friday, 14 September 2018 11:23:49 BST PeterMerchant via dorset
> > > wrote:
> > > > Hi, Does anyone have any experience with Dashcams- good or bad
> > > > with your
> > > > insurance company?
> > > Not as yet, but I've just bought one.
> > > 
> > > It occurs to me that they are a two edged sword; if you are a fault,
> > > there's
> > > nowhere to hide :-)
> > > 
> > We have Amazon Prime on a trial ending soon, and the Nextbase 312 is £89
> > there, But going through Quidco to Curry's I'll get 15% off £99 and free
> > delivery. Also it will be easier to argue if there is a fault.
> > 
> > I can't see much point in the Nextbase 412, and my son-in-law has the
> > 312.
> > 
> > I would have liked to have it running when a yobbo on a scooter cut
> > around me  weaving through the Canford Bottom roundabout the other day.
> > He lived to die another day, but it was a close call. However at his
> > age, he's invulnerable.
> > 
> > 
> > Peter
> > 
> > 
> > -- 
> > Next meeting at *new* venue:  Bournemouth, Tuesday, 2018-10-02 20:00
> > Check if you're replying to the list or the author
> > Meetings, mailing list, IRC, ...  http://dorset.lug.org.uk/
> > New thread, don't hijack:  mailto:dorset@mailman.lug.org.uk
> 
> 
> 
> --
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** end quote [Tim]

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Re: [Dorset] Visual basic on Linux

2018-09-14 Thread Paul Tansom
** t...@ls83.eclipse.co.uk  [2018-09-14 12:39]:
 
> > Python's cross-platform, even the GUI too with TkInter.  It's common on
> > the Raspberry Pi.  The BBC micro:bit uses the MicroPython derivative.
> > https://en.wikipedia.org/wiki/Micro:bit  It's no contest out of those.
> 
> I agree.
> 
> > https://www.aqa.org.uk/subjects/computer-science-and-it/gcse/computer-science-8520/teaching-resources
> > is interesting.  PDFs for lots of topics to cover, e.g. Huffman code.
> > And Python syntax code cards for Coding Club.  Nothing for VB.Net, Java, ...
> > So perhaps it's the school's choice to plump for VB.Net rather than the
> > examination board's syllabus?  I hope it's not the school's governors
> > identifying that's what industry requires;  as John said, VB.Net is
> > decaying fast and legacy/maintenance now.
> 
> I would think it's down to the teacher. Can't imagine school govenors having
> the remotest idea about appropriate programming languages.
** end quote [t...@ls83.eclipse.co.uk]

In general possibly not, but I know of two schools where this wouldn't
be the case - and not just because I'm a governor at both of them :-)
That said, the school governors, knowledgable or not, would have no say
at this level of the school. We have quite a high level overview of
things, although we do get in to watch classes. Personally I get quite
involved as I run a code club at the primary school, and have worked
with another governor at open evenings at the secondary (with Raspberry
Pis and an Oculus Rift) - I've not yet got involved with the after
school club at the secondary... yet!

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Re: [Dorset] LUG Meets World Cup.

2018-06-26 Thread Paul Tansom
** Ralph Corderoy  [2018-06-25 06:36]:
> Hi Terry,
> 
> I noticed the first Tuesday in July, the 3rd, is the day of the 19:00
> World-Cup match between 1H and 2G.  Group G includes England so if they
> finish second in the group then that would make the pub even more packed
> and rowdy.
> 
> Postponing a week isn't great either though.  19:00 Tuesday 10th is a
> semi-final so could be busy no matter's who's playing.
> 
> It would be nice to have a better venue, i.e. no TVs!
> 
> Cheers, Ralph.
** end quote [Ralph Corderoy]

Interesting that the primary reason is the pub being busy and not people
not attending because they want to watch the match ;-) Having little
interest in football that makes sense to me though. Noting other
comments, it doesn't have to be a permanent change... I'll go back to
lurking now...

Oh, apart form putting an open invite to the Portsmouth LUG meets if you
are in the area on the third Saturday of the month. We are luck enough
to have a meeting room next to a bar, opposite a train station, so we
have space for talks (when I can find speakers) and old fashioned
bring-a-box meets (mainly laptops, Raspberry Pis, etc.)... and
sandwiches. I post notifications to Surrey, Sussex and Hampshire as we
have regulars from those areas, but I've left Dorset as being too far.

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Re: [Dorset] Backups - what else do I need to do?

2017-07-03 Thread Paul Tansom
** PeterMerchant via dorset  [2017-06-28 14:14]:
> The main reason for doing backups is in case my system goes bang I can
> restore it. In the past I have been lucky when I have reinstalled kubuntu
> 'over' the old version.  When I rebuilt  the other computer from XP to
> kubuntu, even though I had backed it up, I discovered that not everything
> got backed up - like my firefox bookmarks.
> 
> When I have reinstalled Thunderbird it is not a trivial task to recover
> emails from the backup.
> 
> I use freefilesync for backing up to a USB hard drive, and am thinking about
> the things I have to do to prepare for the backup.
> 
> 1. Empty the caches for the browsers.
> 
> 2. backup/export the browser bookmarks (except for Chrome)
> 
> 3. Gramps Genealogy program is all right, but I should do a backup of it in
> case a restore has an updated version.
> 
> 4. Do I need to export all my emails from Thunderbird? or is this only
> necessary if they are collected via Pop3 and not via imap?
> 
> 5. Can I build a script to do this for me?
> 
> 6. Anything else?
** end quote [PeterMerchant via dorset]

I'm assuming that you don't backup the Chrome bookmarks because they
sync to Google's servers and will pull back down when you link your
account back up. You can actually do the same with Firefox using Firefox
Sync, which is built into the browser.

It can sync your open tabs (quite handy if you use multiple machines
regularly, I'm forever using it to track down something I was looking
at), passwords, history, add-ons and preferences if you want to.

I had a little bit of fun with the add-ons sync recently when I was
trying out Passifox to link Keepassxc to give me access to my passwords.
I had been using Keepass2 under Mono with Keefox up until then. It
worked quite nicely, but the sync'ing of the add-ons aligned them on my
Windows boot where I was still using Keefox; which I fixed forgetting
that it would sync the change back to my Linux machines! I'm actually
back to Keefox for the moment though, as Passifox isn't compatible with
the new Firefox Multiprocess feature, which reduces memory usage quite
noticeably. Performance is slightly better too; both still walking all
over Chrome (on my setups it is, I'm not passing judgement on anyone
else's experience before all the Chrome fans reply with contradicting
experiences!).

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Re: [Dorset] E-Book Freebie

2017-05-19 Thread Paul Tansom
** Ralph Corderoy  [2017-05-19 10:16]:
> > On Betanews today. Learning Python E-Book for free. 
> > https://betanews.com/2017/05/17/get-learning-python-ebook-40-value-free/
> 
> If you're after free technology ebooks, including Python, then
> https://www.packtpub.com/packt/offers/free-learning may be of interest.
> They offer one of their publications each day.  After enough days, some
> of the same ones come around again.  Don't know how good they are, they
> come across as a bit more quantity rather than quality in their
> publishing values, but I expect a good author could still publish a
> useful book through them.
** end quote [Ralph Corderoy]

I have quite a collection of those as I nab them when I remember, I've only
ever properly looked at part of one though. That was Puppet and was good enough
to get me started, but I then switched to Ansible because the design principles
suited my use case much better (as in no need for a client running all the
time, so works just as well looking after a Raspberry Pi as it does a Linux VM
or server as you run things over a standard ssh connection).

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Re: [Dorset] Open for Business at Wuthering Bytes

2016-08-29 Thread Paul Tansom
** PeterMerchant  [2016-08-27 14:39]:
> On 27/08/16 12:37, Andres Baravalle wrote:
> >Open for Business is an annual one day conference hosted by the BCS Open 
> >Source Specialist Group and Open Source Consortium, that aims to explore key 
> >themes in open source software as they relate to service providers and 
> >consumers, across both the private and public sectors.
> >
> >In 2016 the conference will build on the success of the inaugural event held 
> >the previous year — which took a look at some of the broader challenges and 
> >opportunities, with first-hand experiences — to dive deeper and consider 
> >best practices in driving effective open source adoption.
> >
> >Once again we have some fantastic speakers lined-up that bring many unique 
> >insights, including Mike Little, co-founder of WordPress - which now powers 
> >a staggering >26% of the web, Maarten Ectors, Vice President IoT at 
> >Canonical, Matija Suklje, lawyer and FOSS legal specialist who 5 years 
> >Matija served as FSFE’s Legal Coordinator, and Mark Kent, who will provide 
> >unique insights into a major open source platform at BT.
> >
> >Open for Business is hosted by the BCS Open Source Specialist Group and the 
> >Open Source Consortium, and is being run as part of the Wuthering Bytes 
> >(http://wutheringbytes.com) technology festival.
> >
> >For further details please see the conference website: 
> >http://ossg.bcs.org/ofb2016/
> >
> >Open for Business is sponsored by: BCS (http://bcs.org) and Embecosm
> >(http://www.embecosm.com/)
> >
> Shame Hebden Bridge is not in Dorset.
> P.
** end quote [PeterMerchant]

I know what you mean, although I'm Hampshire. London seems to be as far south
as anything gets, and quite a bit is much further north. I've wanted to make
Oggcamp each year but only managed the ones in Farnham and Oxford.

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

2016-04-28 Thread Paul Tansom
** Terry Coles  [2016-04-28 07:01]:
> On Tuesday, 26 April 2016 19:13:19 BST Keith Edmunds wrote:
> > If you want to run Skype, run Windows. If you want a VoIP solution, there
> > are many to choose from.
> 
> That's a bit extreme.  I have no wish to run Windows, but I do need a VOIP 
> Client that I can use to contact my relations, particularly my mother who is 
> deaf and needs to lip-read.
> 
> Since none of my family run Linux, and they all use Skype, I would like to be 
> able to use it too.  I must admit that when Microsoft introduced Skype for 
> Linux, I was puzzled as to their motives, but was glad that they had.  Now 
> that they have decided to stop supporting it (they never did much anyway), I 
> can't say I'm surprised.
> 
> It doesn't stop me trying to get them to keep it.
** end quote [Terry Coles]

If I remember correctly the Linux client was introduced before Microsft bought
them. I think it has had an update since, but don't quote me on that! The last
time I used Skype, which must be a couple of years ago now, I had so much
hassle getting a connection that in the end all it was used for was a text
based chat to arrange to move the conversation to a Google Hangout. I hadn't
used it for a while at that point and only installed it for that conversation.
All that said, I have signed to add my support for something that would be a
nice option to have. I suspect, though, that it is more likely to show that
there isn't enough interest for Microsoft to really bother about. Many Linux
users will either be happy to, or prefer to use something else, so it is only
the poor people who have to communicate with non technical Windows/Mac users
(although I may be over generalising there!).

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Re: [Dorset] Anyone got a Raspberry Pi Zero that they could lend me?

2016-02-02 Thread Paul Tansom
** Terry Coles  [2016-01-29 11:35]:
> On Friday 29 January 2016 11:22:50 Peter Merchant wrote:
> > My M-Pi Zero did come in a very small static bag, but was free floating
> > in the envelope along with the two cables that you mentioned before.
> 
> Aha.  Maybe someone pointed out the danger to them after the initial 
> publication 
> of that issue ;-0
> 
> Too late for me maybe and the 20,000 others who bought the first batch.
** end quote [Terry Coles]

All the Pi Zero images I've seen the Pi has been in a cardboard blister pack,
so would have some decent protection. The plastic sandwiched between the card
looked to hold its shape, so would offer some protection.  Most have also been
in a clear bag with the magazine. If yours was just loose something may have
happened to it between being sent out and you getting it. I would ask the
foundation about it given that it seems from a later post that the Pi is at
fault.

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Re: [Dorset] {Spam?} Using a Raspberry Pi 'Headless' and Unattended

2016-01-11 Thread Paul Tansom
** Terry Coles  [2016-01-11 18:53]:
> On Monday 11 January 2016 14:17:09 t...@ls83.eclipse.co.uk wrote:
> > So I agree the best way is any one of the embedded dev boards out there.
> >   FRDM-KL25Z gives you an Arm Cortex M0+ on a little board for a tenner.
> > gcc for Arm and the Segger utilities then give a complete FOC
> > Linux-based development platform.
> 
> The only problem with that for me would be that I'd probably have to develop 
> all the interfaces from 
> scratch and go up a fairly steep (for me) learning curve wrt development on 
> the KL25Z.
> 
> As mentioned earlier, I am already familiar with the RPi and it comes with 
> GPIO support out of the box 
> with libraries for Python and C.  In addition, the aftermarket has every 
> interface to the RPi needed for a 
> few tens of pounds.
> 
> For example, CPC and others stock a relay card specifically designed to 
> interface to the RPI.  This could 
> be used to turn the lights on and off.   To dim the LEDs a PWM script will 
> run a low power LED straight 
> off the GPIO pins or for higher powers, the aftermarket can supply there too 
> with a MOSFET interface 
> driven by the same GPIO pin.
> 
> I have to think about whoever picks this up in the future and the RPi makes 
> knowledge transfer so much 
> easier (especially with the rising generation who are now using them in 
> schools :-)  )
** end quote [Terry Coles]

I'm in pretty much the same position, I'm familiar with PCs and hence the
Raspberry Pi, but haven't had the time to get my head around the Arduino more
electronics oriented way of doing things. It probably wouldn't take too long,
but with so much else to do I haven't found the time yet - even my Pi projects
aren't progressing at the moment!

Anyway, working on the basis of using a Raspberry Pi, it seems to me that the
key requirement would be to detect the loss of power and shutdown. Clearly this
needs some form of battery or capacitor to provide enough time before complete
loss of power. There are a number of similar projects out there if you are
wanting to do some soldering, etc., but an easier alternative might me
something like the UPS PIco (1) or the Pi UPS (2).

(1) http://www.modmypi.com/raspberry-pi/breakout-boards/pi-modules/ups-pico
(2) 
https://www.pi-supply.com/product/pi-ups-uninterrupted-power-supply-raspberry-pi/?v=79cba1185463

I've not used either, but they look interesting:

The UPS PIco is a standard Hat format, includes a battery, has a stackable
header for other addons, software based RTC and supports auto power down on
power loss, so looks to have everything ready to go. It also charges the
battery.

The Pi UPS is a bit more expensive and uses standard batteries (not supplied)
and looks to require a bit of coding to read the GPIO to do the shutdown. I
can't find anything about charging, although using a standard battery may be
easier to replace - but then they'd need replacing more frequently I guess.

Actually the UPS PIco looks quite interesting - I mustn't add to my Pi
collection, I've already got plenty to play with that hasn't been explored yet!

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Re: [Dorset] Raspberry Pi Zero

2015-11-28 Thread Paul Tansom
** Terry Coles  [2015-11-28 07:43]:
> On Thursday 26 November 2015 14:38:21 Paul Tansom wrote:
> > My local WHSmith had 6 in this morning, but were sold out before I went in.
> > I've not had the chance to look anywhere else so I doubt I'll manage to get
> > a copy :(
> 
> They've all gone now :-;
> 
> http://www.wired.co.uk/news/archive/2015-11/27/raspberry-pi-zero-sold-out[1] 
** end quote [Terry Coles]

Yes, I thought that would be the case as soon as I read about it. I happened to
be near WHSmith so thought I'd take a look, but there's no way I was going to
go hunting for a copy. Unusually I've been near 2 other WHSmiths and 2 Tescos,
but as expected no copies there either. One asked me how much the 'chip' was
worth on the cover when I asked about them. It seems 6 is a common number for
WHSmiths to stock, and it also seems as though people going in and buying all 6
isn't unheard of either. I've just seen a copy sell for £37 (inc postage) on
eBay, and another is sitting at £52 at the moment - madness.

My Pi Zero arrived this morning along with some other bits from Pimoroni, so
I'll be able to have a play when I get the time - too much diy going on to be
finished by Christmas at the moment!

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Re: [Dorset] Raspberry Pi Zero

2015-11-26 Thread Paul Tansom
** Peter Merchant  [2015-11-26 12:31]:
> On 26/11/15 12:09, Terry Coles wrote:
> >On Thursday 26 November 2015 09:36:10 Terry Coles wrote:
> >>On Thursday 26 November 2015 09:28:25 Peter Merchant wrote:
> >>>Hi Terry, Is December MagPi mag out yet?
> >>According to one of the comments in the original article, it's been seen in
> >>a Tesco store.
> >Tesco Mannings Heath had two copies on their newsstand about an hour ago.
> >
> WHSmith Wimborne do not stock it. PM
** end quote [Peter Merchant]

My local WHSmith had 6 in this morning, but were sold out before I went in.
I've not had the chance to look anywhere else so I doubt I'll manage to get a
copy :(

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Re: [Dorset] Ink Cartridge recycling

2015-07-28 Thread Paul Tansom
** Peter Merchant  [2015-07-27 20:50]:
> I have just learned that the outfit used for recycling by the Dorset and
> Somerset Air Ambulance has ceased operating.
> 
> Does anyone know of an organisation that takes used ink-jet and laser
> cartridges for recycling.  The outfit used by Tesco (The Recycling Factory)
> is quite particular about what limited range of cartridges they will accept
> (Canon, Epsom, and HP), and the cartridges collected by Colehill Library are
> far more varied.
> 
> 
> The air ambulance used to get the money the company gave back, but if we
> continue it will be for the benefit of the library.
** end quote [Peter Merchant]

My son's secondary school has just started recycling ink and toner cartridges.
I've just checked who they use and found the following link:

http://www.emptiesplease.com/

Looking at that they seem to have a list of ones that they can't take -
embarrasingly it seems that the HP 940 ones that I've provided can't be used.
It seems that some can't be recycled, and some can't anymore - I've no idea
why, economies of scale or changes in the orignal manufacturers spec aimed at
preventing it perhaps.

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Re: [Dorset] List Behaviour - Reply / Reply to All

2014-09-30 Thread Paul Tansom
** Ralph Corderoy  [2014-09-28 16:23]:
> David wrote:
> > > Maybe the list logic has changed recently
> > I think the behaviour of the list has changed. Looking at older emails
> > the reply-to header used to be the list email address
> 
> It has indeed changed, as announced last month.  :-)
> http://thread.gmane.org/gmane.user-groups.linux.uk.dorset/5944
> 
> Some more background on the issue.
> 
> http://www.unicom.com/pw/reply-to-harmful.html
> https://woozle.org/~neale/papers/reply-to-still-harmful.html
** end quote [Ralph Corderoy]

That explains the direct email I had to a list post a while back. I use Mutt so
just use L to reply to lists and it actually catches me by suprise when it
doesn't work on a mailing list (Yahoo I'm looking at you for your groups!).

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Re: [Dorset] Keyboard problem with Ubuntu 14.04

2014-09-14 Thread Paul Tansom
** Ralph Corderoy  [2014-09-11 22:39]:
> > I have just upgraded from Ubuntu12.04 to 14.04 by downloading the ISO
> > file and creating a boot disc.  Since the upgrade my keyboard has a
> > number of characters swapped over , eg " is @ .  Can anyone tell me
> > how to get back to UK keyboard please?
> 
> http://askubuntu.com/questions/467733/keyboard-keeps-defaulting-to-wrong-layout
> might help.  If not, or it's unclear what to do, let us know and someone
> who actually runs 14.04 might have a better idea.  :-)
** end quote [Ralph Corderoy]

There is a bug relating to this which may be related, it seems there is an
issue with iBus that causes these symptoms. The indicator shows a UK keyboard,
but it is still working with a US layout. I've fixed mine by doing the
following:

change to /etc/dconf/db/ibus.d/

in there you'll find a file 00-upstream-settings, rather than work with the
distribution's file you need to work with a new one, so create something like
01-custom-settings. I did this by coping the existing one, but I should think
you can just put the modifications in there. The modification in question is
the line:

use-system-keyboard-layout=false

just change the false to true and all should be working next reboot, well if it
the same problem I had anyway :)

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Re: [Dorset] Equivalent to Belarc Advisor

2014-06-11 Thread Paul Tansom
** Keith Edmunds  [2014-06-11 19:17]:
> Maybe you should describe want you want to achieve. I've no idea what
> Belarc Advisor does.
** end quote [Keith Edmunds]

I was thinking much the same thing. I have used Belarc Advisor once to try and
work out a chipset so I could track down a driver iirc. It gives quite a bit of
information, but I have a feeling I ended up booting Linux in order to get the
info I needed in the end.

There are plenty of tools to get similar info, but I'm not sure there is a
single one that does the lot. Depending what you are looking for you may like
to look at one or more of the following as a starting point:

dpkg -l (to list packages installed on a .deb based system, not sure off hand
  of the .rpm equivalent)
lsmod (for the loaded modules)
lshw (for hardware details)
lsusb (usb hardware)
lspci (pci hardware)
lscpu (cpu info)
dmidecode (memory info)

There are others, but these are pretty standard on Debian/Ubuntu based distros.

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Re: [Dorset] Free Database software

2013-11-01 Thread Paul Tansom
** David Smith  [2013-11-01 16:57]:
> On Friday, November 01, 2013 4:27 PM Paul Tansom wrote

> >I think I've been put off desktop databases by MS Access where
> >I've had several
> >battles to get it to do what I want it to. Generally I've wanted
> >to interact
> >with the SQL it generates, only to find that either it isn't
> >really SQL or it
> >is actually doing more behind the scenes than the SQL it presents actually
> >tells it to - very nasty! It is going back a bit so it may have improved.
> 
> I found MS Access fine for single user, but it could not cope
> properly with multi user - locking inadequate I think.

I've not got into that, multi-user wise I've always gone for a proper backend
and a web interface, even back when I was force to work with a combination of
MS SQL, Javascript and a CGI called HotSQL do develop a call logging system
that should look workable in IE, Netscape Navigator and WebExplorer on either
Windows 95 or OS/2 in 640x480 or above with 16 colours or more!

> >Oddly, when it comes to desktop databases I've found that the MS
> >Works one has
> >been the one I've got on best with (OK, now everybody gets ready
> >to hurl abuse
> >at me!). I think the main reason for this is that the database is
> >little more
> >than a single table for storing data that I can merge into a
> >document. Since
> >this is a long time ago and that is exactly what I wanted to do it
> >was easy.
> >There doesn't seem to be much around that works well for
> >exceptionally basic
> >stuff like that these days. I've been battling LibreOffice Base a bit on
> >Windows to do something simple like that just recently and not got
> >on well. It
> >is no wonder so many simplistic databases are done in spreadsheets!
> 
> I need to do Joins and grouping of records etc. Spreadsheets not
> good for that.

Yes, for my own stuff I work like that, these databases have been simple table
of information that need to be stored, updated and printed. It would almost
work as a table in a word processed document bar the fact that you can't sort
properly there. In a database the records stay together, I've sorted columns in
spreadsheets and word processors where only the column itself has been sorted
and all other columns have stayed as they were - great way to screw up the
data!

> I cannot understand the Firebird documentation. SQlite seems fine.
> It seems that sequences of SQL statements can be executed from Linux
> shell scripts. This will avoid having to write C or C++ programs.

Sounds like fun :)

** end quote [David Smith]

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Re: [Dorset] Free Database software

2013-11-01 Thread Paul Tansom
** David Smith  [2013-10-31 22:01]:
> 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.
** end quote [David Smith]

Interesting, I've not made massive use of LibreOffice Base yet, so I am
surprised that it cannot import from .csv or run update queries. I'm going to
have to explore now, if only I could install it on my machine. Unfortunately it
seems that LibreOffice Base is at a different version in my repositories than
the rest of LibreOffice so I can't install it!

I think I've been put off desktop databases by MS Access where I've had several
battles to get it to do what I want it to. Generally I've wanted to interact
with the SQL it generates, only to find that either it isn't really SQL or it
is actually doing more behind the scenes than the SQL it presents actually
tells it to - very nasty! It is going back a bit so it may have improved.

Oddly, when it comes to desktop databases I've found that the MS Works one has
been the one I've got on best with (OK, now everybody gets ready to hurl abuse
at me!). I think the main reason for this is that the database is little more
than a single table for storing data that I can merge into a document. Since
this is a long time ago and that is exactly what I wanted to do it was easy.
There doesn't seem to be much around that works well for exceptionally basic
stuff like that these days. I've been battling LibreOffice Base a bit on
Windows to do something simple like that just recently and not got on well. It
is no wonder so many simplistic databases are done in spreadsheets!

I'd forgotten all about Firebird. I used that briefly back in its Interbase
days, but got force across to MS SQL Server, which again wasn't proper SQL.
That said there were features I missed when I moved to MySQL, although in spite
of that I've never made the leap across to Postgres, I guess because a lot of
what I do now is simply installing it to backend a website - boring!

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Re: [Dorset] Linux problems with SSD drives

2013-10-07 Thread Paul Tansom
** c...@pampru.org  [2013-10-07 19:10]:
> I upgraded to Ubuntu 12.04 LTS on a PC which has an SSD drive, but
> lots of problems have arisen and usability is steadily getting worse
> with an increasing number of regular functions no longer working and
> many freezes needing complete shut-downs. 12.04 LTS seemed to be
> very flakey indeed.
> 
> I mentioned it to John Dubery and he though it may be the SSD that
> is not suited to Linux, and yesterday my son, an IT-based Systems
> Design manager, said that an IT supplier told him not to use SSD
> drives with Linux.
> 
> Has anyone else experienced, or is aware of, problems when using SSD
> drives with Linux?
> 
> With reliability of SSDs now surpassing rotating-disk drives and SSD
> drives increasingly being supplied as standard in laptops and PCs,
> this could be a serious issue for Linux users.
** end quote [c...@pampru.org]

I've not heard that myself, and I can't think how Linux would be working
differently with the drive to Windows. I've certainly used Linux on a laptop
with an SSD drive without issues (well not related to the drive, the NIC was
another matter!). I think there have been recommendations not to put swap on
them in the past, but how that differs from the Windows swap file I don't know.
I think that was the early days and concerns about the maximum number of writes
(and possibly more when running of something like compact flash using an
adapter more than proper SSDs).

On the laptop my Linux install flew (Ubuntu 12.10), it wasn't mine though so I
don't have it anymore. My main issue with SSD at the moment is price. For the
capacity I require they are way to expensive or not available at all. To put it
another way, to replace the 500GB drive in my desktop which is a bit tight on
space with an equivalent capacity will cost a little under £300, and to get the
capacity I'm looking at replacing it with doesn't appear to be possible (at
least not easily) - I could get a 1TB drive for over £500, but I'm looking at a
2TB drive for around £75. The performance would be great, but not at that
price!! That said I have considered putting a low capacity one my my old
netbook to give it a new lease of life, with any luck the lower power
consumption and increased speed will save the higher cost of a new machine.
That doesn't store large amounts of data though. One option would be to put the
OS on the SSD and data on a standard HD, but that is still pricey.

Another concern I have is that solid state media tends to go for catasrophic
failure, whereas traditional hard drives (in my experience so far) usually give
a little warning. Not a major issue if you have backups, but the HDs I've had
fail have, on the whole, given me enough warning to grab the small amount of
data since the last backup before replacing them.

As an aside to that, today I've seen my first SMART warning prior to a drive
failing! Every drive I've had fail since SMART was introduced has given up
without SMART picking anything up. In fact one drive I had fail was giving me
concerns, so I decided to run a SMART tool to check it and that's the point at
which it failed!

Anyhoo, I've strayed slightly away from the initial question, it just happend
to match a train of though I'm on at the moment!

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Re: [Dorset] veteran unic admins

2012-05-03 Thread Paul Tansom
** Peter Merchant  [2012-05-02 20:51]:
> http://www.infoworld.com/t/unix/nine-traits-the-veteran-unix-admin-276?source=fssr
** end quote [Peter Merchant]

Oh dear, I'd neve considered myself a true veteran before, but it seems I am
closer than I thought! Is that good or bad I wonder.

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

2011-03-11 Thread Paul Tansom
** Terry Coles  [2011-03-11 13:40]:
> On Thursday 10 Mar 2011, Terry Coles wrote:
> > We have a system at work that uses a Linux box (Live boot) running some
> > data gathering tools.  This information is written to a web page and
> > served up to a Windows box connected 1:1, (eg no other devices) for
> > analysis.  So far so good.
> > 
> > At present the Windows box provides DHCP and the Linux box advertises it's
> > hostname.  What we would really like to do is get the current Linux box to
> > provide DHCP and DNS.  Can anyone point me at a suitable tutorial or
> > guidance to explain how to set up and configure such a system?
> > 
> > Having the Windows box do DHCP and DNS is OK, but is likely to cause us
> > problems downstream, hence the query.
> 
> Replying to myself.
> 
> Thanks for the suggestions to date (the overwhelming support for dnsmasq).  
> However, when I related this to my colleage at work he said he couldnt see 
> why 
> this (or bind) was needed because when he enabled udhcpd, he found that it 
> maintains a list of all hosts on the network so why couldn't that be used?
> 
> I didn't get a chance to look at it this morning, so I couldn't answer him, 
> but I could bear to know if what he's suggesting is possible.
> 
> Any takers?  
** end quote [Terry Coles]

I've not really used either, but it looks as though dnsmasq does both dns
forwarding and dhcp address allocation, whereas udhcpd just does the dhcp
address allocation bit.

Personally I use bind9 and dhcp3-server myself and don't find either that
complicated for a basic setup. Then again that's part of my day job and I've
got the O'Reilly DNS and Bind and Sendmail tomes on my shelves! Not that I've
used Sendmail in a long, long while as I've used Exim since it became my own
choice (i.e. not administering AIX servers).

I suspect for a home network it is simply a case of whether you need DNS
forwarding as well. You can configure dhcp to point directly to the ISPs DNS
servers rather than forwading from a local box if you prefer to use udhcpd.

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Re: [Dorset] Monitor longevity

2011-02-03 Thread Paul Tansom
** Tim Allen  [2011-02-02 18:23]:
> On 02/02/11 13:39, Paul Tansom wrote:
> >** Tim Allen  [2011-02-02 10:40]:
> >>Well, end of an era - I've just disconnected a 1989 NEC Multisync 3D
> >>- 22 years of continuous use and into it's fourth decade of
> >>existence! Must be a record. Only reason I've pensioned it off is
> >>because it's 110 Volt only and I could do with freeing up the
> >>autotransformer it runs on.
> >** end quote [Tim Allen]
> >
> >I can't quite manage that long, although I do still have my original Amiga 
> >1500
> >monitor that works (not used for a while though) along with a couple of (as 
> >yet
> >untested) Philips CM 8833 units.
> >
> >My main monitors are 1998 vintage Iiyama Vision Master Pro 400s, which are 
> >nice
> >as the have BNC input as well as D-sub, so I can have occaisional use 
> >machines
> >connected as well if needed an switch using the on screen menus. Sadly the 
> >one
> >on the right failed last night - and appears to be working again this 
> >morning -
> >so I think I'll either be dropping to a single 17" screen or needing a new 
> >one
> >soon. It was a replacement for another identical unit that started playing 
> >up,
> >and I still have that, so there's a temptation to try and combine the two 
> >into
> >a working one (the other had colour issues, this seems to be a power 
> >problem).
> >Likely not worth the hassle, but you never know!
> 
> I still have some mid 90's Iiyama's running, but I realise the '89
> Multisync is only my third oldest monitor: I still have a 9 inch
> Hitachi on my 1981 Nascom 2, but the winner is a 1979 Ferguson B&W
> portable TV, bought for a UK101 (6502, 8k RAM). The Ferguson is
> still in daily use after 33 years.
** end quote [Tim Allen]

They don't make them like they used to :) I had a UK101 for a short while,
although never really did anything with it as it was already old tech by the
time (and things hadn't moved on enough for that old tech to be interesting
like it is now!). I'm having a few problems with modern TVs (not even that
modern actually, an old CRT one). I know the latest TFT ones don't go well with
the old computers output to TV, but I can't seem to even get this old CRT one
to tune in. I'm going to have to start looking at getting some SCART leads made
up for those that support them. Thankfully it looks as though I only need a
careful bit of soldering and a resistor to get a ZX81 hooked up via SCART too.
All I need now is some time and a trip to Maplin!

Ferguson wise, I still have my trusty Ferguson tape deck that I used with my
original ZX81 and Spectrum - the one you pretty much always see in old photos!
I still also have the Sanyo (iirc) on I got because you could adjust the head
alignment - along with a couple of others I've acquired more recently that I've
kept as backup because they are in good condition and also have the head
adjustment.

Mustn't get disctracted, I should get back to MySQL replication and Samba
performance issues!

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Re: [Dorset] Monitor longevity

2011-02-02 Thread Paul Tansom
** Tim Allen  [2011-02-02 10:40]:
> Well, end of an era - I've just disconnected a 1989 NEC Multisync 3D
> - 22 years of continuous use and into it's fourth decade of
> existence! Must be a record. Only reason I've pensioned it off is
> because it's 110 Volt only and I could do with freeing up the
> autotransformer it runs on.
** end quote [Tim Allen]

I can't quite manage that long, although I do still have my original Amiga 1500
monitor that works (not used for a while though) along with a couple of (as yet
untested) Philips CM 8833 units.

My main monitors are 1998 vintage Iiyama Vision Master Pro 400s, which are nice
as the have BNC input as well as D-sub, so I can have occaisional use machines
connected as well if needed an switch using the on screen menus. Sadly the one
on the right failed last night - and appears to be working again this morning -
so I think I'll either be dropping to a single 17" screen or needing a new one
soon. It was a replacement for another identical unit that started playing up,
and I still have that, so there's a temptation to try and combine the two into
a working one (the other had colour issues, this seems to be a power problem).
Likely not worth the hassle, but you never know!

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Re: [Dorset] Which language is most popular.

2010-10-15 Thread Paul Tansom
** Simon P Smith  [2010-10-15 11:47]:
>  On 15/10/2010 09:31, Justin Stringfellow wrote:
> > On 15/10/2010 09:24, Peter Merchant wrote:
> >> Been very quiet here for a few days, so I thought I'd put this link up
> >> www.langpop.com  Does anyone use 'D'?
> >
> > If you're referring to the language known as "D" used with Solaris'
> > Dtrace debugger, then the answer is yes. Is there another D?
> >
> Does anyone remember 'B' - showing my age!
> 
> I cut my teeth on assembly, then Coral66, F77, C and C++ with a brief
> forced flirtation with ADA and since the web fell in love with Perl and
> then used Java.  Recently been forced to move from Perl to PHP for web
> and after discovering Zend Framework and JQuery can actually do rapid
> prototyping web applications ;-)   Next I aim to retire :-0
** end quote [Simon P Smith]

I do, but I never used it. I did have a play with BCPL that it was developed
from though. I had, well still have, a copy of BCPL on ROM for my Amstrad CPC
6128. I think B was then developed into C, etc. I've also used APL, which isn't
listed on there, as well as the bottom two options, Forth and Rexx (Rexx mostly
on OS/2 and IBM OfficeVision / PROFs rather than the Amiga version oddly).

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Re: [Dorset] Changed my mind about Ubuntu One

2010-08-22 Thread Paul Tansom
** Peter Merchant  [2010-08-22 20:28]:
> >  Annoyingly both Chrome and
> > Opera are syncing their bookmarks quite happily between my Linux and Windows
> > boxes using their respecitve services, and I don't think Ubuntu One supports
> > this yet. I just wish I could sync the lot to a single place somewhere so I 
> > can
> > use whichever browser with its native bookmarks on whichever machine without
> > worrying about it - ah well :(
> 
> I use Google Bookmarks. My home page is google/ig and it is right
> there. 
> 
> This gives me access to my bookmarks from anywhere.
** end quote [Peter Merchant]

I tend to find web based bookmark solutions don't suite me. I've not found one
yet that is as convenient to use as a browsers own bookmark feature - bar the
obvious ease of sharing between browsers!

I've just been digging around information on Ubuntu One again and it seems that
neither the Contacts or Bookmarks features are available at the moment. I read
this back in March / April time when I first started looking at it, I must
admit I'd assumed it was working again by now. It also seems that Ubuntu One
for non Linux platforms and other applications (Thunderbird is mentioned) is
only available in the $10 a month offering. I shall have to look elswhere.  I
don't see it catching on with anyone migrating from Windows.

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Re: [Dorset] Changed my mind about Ubuntu One

2010-08-22 Thread Paul Tansom
** Simon O'Riordan  [2010-08-22 17:07]:
> Ubuntu One; isn't DRM. The music is hidden. But if you back up the
> 'Music' folder, it's in there somewhere, so you will keep your local
> MP3's safe.
> Also I just found an album I wanted £2 cheaper than Amazon, and when I
> bought it, it was installed automatically on all my 10.04 machines.
> 
> Not too shabby.
> Simono
** end quote [Simon O'Riordan]

OK, just deleted my reply to start again! I was going to say it didn't work,
but having just discovered the Ubuntu One folder I've found that file
synchronisation works. I don't use Evolution, so Contacst isn't likely to. I do
use Broadcast Messages (Gwibber under the covers), but have no idea what it
should be backing up! The one I'm particularly interested in is the Bookmark
backup, and that isn't doing anything. On one hand I'm not using the standard
Ubuntu provided Firefox, but a Mozilla build one from a Ubuntu archive, but
I've not seen any backup of the copy I have in the standard Ubuntu install
either (which I was using before. I'll have to start digging around to find out
where things are, but there seems little useful documentation on Ubuntu One :(
Maybe I've just not found the right search term yet. Annoyingly both Chrome and
Opera are syncing their bookmarks quite happily between my Linux and Windows
boxes using their respecitve services, and I don't think Ubuntu One supports
this yet. I just wish I could sync the lot to a single place somewhere so I can
use whichever browser with its native bookmarks on whichever machine without
worrying about it - ah well :(

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Re: [Dorset] Small C and Forth [was Re: 2010-07-06 Crown Hotel, Blandford Forum.]

2010-07-12 Thread Paul Tansom
** Ralph Corderoy  [2010-07-12 23:15]:

> > I'm afraid Forth passed me by!
> 
> Me too!  Me and my friends were exposed to it as kids on the
> http://en.wikipedia.org/wiki/Jupiter_Ace in shops but that foiled the
> normal

Lovely machine. I've still got mine which I picked up at a Beaulieu boat jumble
shortly after Jupiter Cantab ceased trading. It was clearly one of the last on
the production line - quite literally in fact, since it hadn't been completed
and lacked the top cover. It was fully functional though, with the tape, PSU,
manual and keyboard membrane. The Membrane had silicon pads under each key
which completed the circuit etched on the motherboard, rather than the membrane
used on the Sinclair machines.

> 10PRINT "HELLO";
> 20GOTO 10
> 
> And then it also came along as a ROM for the BBC B from Acornsoft.  By
> then I knew the rough idea, you define words to augment the existing
> FORTH ones and the interpreter threads execution of them together, but
> nothing more.
> 
> So coming across that above tutorial was interesting.  I now know the
> equivalent to the above is
> 
> : hello begin ." Hello " again ; hello
> 
> but the Jupter Ace has gone from the shops.
> 
> Given early BASICs had poor control flow, i.e. IF, GOTO, and GOSUB, I
> can see with hindsight that FORTH was a lot better choice at the time
> with all kinds of WHILE-loops, etc, like the endless BEGIN...AGAIN one
> above.  And given most of those were words defined using FORTH you could
> add your own.
> 
> It also has [ and ] which let you switch to immediate mode during
> compilation, IOW the definition of a word could use the result of some
> FORTH code run at compile time rather than run time, handy if you know
> it's a compile-time constant.

Great fun. I got a copy of Forth for my Spectrum too, although never quite
settled on the environment provided as well as the Jupiter Ace. As it happens
I've also just bought a copy of Commodore 64 Forth+ from Melbourne House on
eBay (I'm a bit of a sad retro nutter I guess!). The only trouble is that,
unlike most of my retro stuff, it is still shrink wrapped. I usually avoid that
because I'll be torn on opening it and I really want to play! I guess I should
get around to installing gforth to play with, after all it's just a case of
aptitude install gforth !!
** end quote [Ralph Corderoy]

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Re: [Dorset] 10.04? Not bloody likely.

2010-05-04 Thread Paul Tansom
** Simon O'Riordan  [2010-05-04 02:55]:
> On Tue, 2010-05-04 at 02:30 +0100, Simon O'Riordan wrote:
> > 1)Takes longer to boot up
> > 2)Boot up sequence looks like a chinese-made plastic toy. Crap.
> > 3)Uninstalls opencv, cannot reinstall. My vision demos no longer work.
> > 4)Breaks video. Cheese doesn't work.
> > 5)Laptop sound issues not improved.
> > 6)Rhythmbox opens on 'UbuntuOne' page.
> > 7)Left-handed controls installed by default.
> > 8)Menus difficult to use.(Split buttons on right).
> > Why why why oh why? What is 10.04 for? To keep Vista company? To join
> > the Microsoft World Order by being lousy?
> > No thanks.
> > When they come for my desktop I'll say "Nyet!"
> > 
> Oh, and it uninstalls Flash. It doesn't seem to be able to reinstall it.
> So you have to put in one of those marvellous amateur-night jobs where
> you have to press a 'play' button and then the Flash animation goes
> round in ever-decreasing circles until it catches itself up and
> disappears up its own arse.
> 
> What are they putting in the Canonical canteen tea these days?
** end quote [Simon O'Riordan]

On my HP Mini 2133 netbook all went well:

1) On mine it is notably quicker.
2) Given 1) above I've not really seen much of it! I did notice the word Ubuntu
with some dots underneath, but miss it on most boots!!
3) Can't comment, not used it.
4) Cheese is working nicely on my machine.
5) Not sure as I have any, at one point I thought it vanished once in a while,
but not sure it does now.
6) Not a big user on my netbook, not overly worried.
7) I like the new icons, giving the position a chance, not the end of the world
for me, in spite of 20 years or so of using them on the right!
8) Lost me here, which menus.

Personally I'm quite liking it. It also now works with my 3 dongle without
patching :)

As for flash, I noted that I didn't have flash, but wasn't 100% sure I had it
installed. After a quick look around I installed the package adobe-flashplugin
and everything works smoothly now with Adobe Flash 10.

Clearly you didn't have a smooth update, for my mileage it would be worth a bit
of investigation and bug reporting.

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