Re: [Dorset] Wireless dropping out

2021-02-20 Thread Hamish McIntyre-Bhatty
I haven't been following this, but have you checked for a firmware update for the router that might fix the issue? Hamish On 20/02/2021 12:56, CA Wills wrote: > Started a new email on this subject due to delays in replying. We have > been relaying our patio during the week between rain showers,

Re: [Dorset] stdout and stderr redirection weirdness

2021-02-18 Thread Hamish McIntyre-Bhatty
Thanks, this all sounds like it'll be a very good idea. syslog is attractive, but I'm not sure this even has syslog. Or maybe I need to turn it on, I remember hearing something about it anyway. I'll figure it out and get back to you. At the moment I'm adding indexes to the database so it'll have

Re: [Dorset] stdout and stderr redirection weirdness

2021-02-18 Thread Hamish McIntyre-Bhatty
On 18/02/2021 15:34, Keith Edmunds wrote: >> I'm finding that during startup piping and redirecting output doesn't >> work. This is using the ash shell from busybox. > By "during startup" do you mean system startup or your process startup? During system startup (that's the only way to get it

[Dorset] stdout and stderr redirection weirdness

2021-02-18 Thread Hamish McIntyre-Bhatty
Hi all, I have yet another query relating to the NAS box. I suspect this issue is once again due to the weird setup and ancient software. I'm finding that during startup piping and redirecting output doesn't work. This is using the ash shell from busybox. I have the following in my script:

Re: [Dorset] On Second Entry to MP3 Player Function Program Stops Responding to External Commands

2021-02-18 Thread Hamish McIntyre-Bhatty
Yep, I saw it. I'm just finishing off my assignment, but should be able to look at several WMT things this afternoon with luck. Hamish On 18/02/2021 10:08, Terry Coles wrote: > On Thursday, 18 February 2021 09:48:20 GMT Hamish McIntyre-Bhatty wrote: >> Can't recall if you

Re: [Dorset] On Second Entry to MP3 Player Function Program Stops Responding to External Commands

2021-02-18 Thread Hamish McIntyre-Bhatty
Hi Terry, Can't recall if you've tried this, but what if you replace the call to mpg123 with a call to echo or similar, just to narrow down whether it might be mpg123 that's causing the issue. If it only crashes with mpg123, perhaps there are some verbose or debug flags you can use for mpg123 to

[Dorset] QEMU emulation features

2021-02-17 Thread Hamish McIntyre-Bhatty
Hi there, I'm having some trouble finding any information on this, so I was wondering if any of you happen to know if QEMU can emulate SMART (specifically the ATA/NVME secure erase command), and/or OPAL drive encryption (a common feature with SSDs, unlocked using a PSID - Physical Security ID -

Re: [Dorset] On Second Entry to MP3 Player Function Program Stops Responding to External Commands

2021-02-16 Thread Hamish McIntyre-Bhatty
On 16/02/2021 12:15, Terry Coles wrote: > On Tuesday, 16 February 2021 12:03:28 GMT Hamish McIntyre-Bhatty wrote: >> Well I must say, I'm not that familiar with apscheduler, but it looks to >> me as if it's causing more issues and complexity than threading would, >> at least i

Re: [Dorset] On Second Entry to MP3 Player Function Program Stops Responding to External Commands

2021-02-16 Thread Hamish McIntyre-Bhatty
On 16/02/2021 11:59, Terry Coles wrote: > On Tuesday, 16 February 2021 10:50:59 GMT Terry Coles wrote: >> If anyone wants to look at the full package the code is on our GitLab >> Repository at: >> >> https://gitlab.com/wmtprojectsteam/minster_bells_re-engineering > BTW. I've now realised that I

Re: [Dorset] Microsoft on Raspberry Pi

2021-02-06 Thread Hamish McIntyre-Bhatty
Is Raspbian stretch still supported? Last I heard they don't really support anything except the latest version of Raspbian. Hamish On 06/02/2021 15:17, Andrew wrote: > I can confirm that this problem does exist with Raspbian Buster, even > on the lite version: > > Preparing to unpack

Re: [Dorset] HP Printers and Flash

2021-02-06 Thread Hamish McIntyre-Bhatty
I actually didn't know there was a web interface. Do I need to do anything to secure that? Hamish On 06/02/2021 11:09, Tim wrote: > I am using a Laser jet Pro M277 (Scanner copier printer) and it loads > the web interface for me OK. > > > Tim H > > On 06/02/2021 10:59, H

Re: [Dorset] HP Printers and Flash

2021-02-06 Thread Hamish McIntyre-Bhatty
Not for me at least - HPLIP-GUI is Qt based and works with CUPS, not had any issues. Hamish On 06/02/2021 10:57, PeterMerchant wrote: > In a discussion with friends yesterday, they discussed the problems of > communicating with HP printers from W10 now that Flash has been  > killed, because

[Dorset] Open source Pocket client

2021-02-05 Thread Hamish McIntyre-Bhatty
Hi, I remember us talking about an open source Pocket client, but it has occurred to me: isn't the Firefox built-in client open-source? I know Firefox on Android isn't entirely open source (unless you use Fennec from F-droid like me), but I thought it was on desktop. Hamish signature.asc

Re: [Dorset] Next Meeting - Tonight at 8 pm

2021-02-02 Thread Hamish McIntyre-Bhatty
On 02/02/2021 12:18, Terry Coles wrote: > All, > > The next Online Meeting is tonight at 8 pm using Jitsi. > > Simply click on the following link and you will be taken to the Meeting > using your default browser: > > https://meet.jit.si/dorset-lug > > Chrome or Chromium are probably better than

Re: [Dorset] Problem using Chromium to log in to Web Page Secured with flask-httpauth

2021-01-25 Thread Hamish McIntyre-Bhatty
On 25/01/2021 12:34, Terry Coles wrote: > Hi, > > I have set up basic protection for my Minster Control Web page using the > information in the man page for flask-httpauth see: > > http://manpages.ubuntu.com/manpages/groovy/man1/flask-httpauth.1.html > > My App uses the code in the first example

Re: [Dorset] Flask web development book

2021-01-23 Thread Hamish McIntyre-Bhatty
On 23/01/2021 18:22, Keith Edmunds wrote: > It's all available online (I think it's close to the same as the book): > http://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-i-hello-world > > And it's excellent. Looks pretty similar, if a bit less complete. Probably saved me £20 though,

Re: [Dorset] Old Books - Junk?

2021-01-23 Thread Hamish McIntyre-Bhatty
On 06/01/2021 10:21, PeterMerchant wrote: > If anybody wants them, I will keep them aside, otherwise it's > recycling bin or charity shop. > > Computer Security - Gollman  second Edition 2006 (3rd edition came out > in 2011) > > Local Area Network Management, Design and Security - Mikalsen 2002 >

[Dorset] Flask web development book

2021-01-23 Thread Hamish McIntyre-Bhatty
Hi there, I was wondering if any of you have bought this and can comment on whether it's any good - book at https://www.barnesandnoble.com/w/flask-web-development-miguel-grinberg/1118175139. It can also be had off of ebay for much less than this. The Flask documentation is great, but a few

Re: [Dorset] Using Flask to render a set of Buttons.

2021-01-22 Thread Hamish McIntyre-Bhatty
On 22/01/2021 12:51, Terry Coles wrote: > On Thursday, 21 January 2021 14:28:42 GMT Ralph Corderoy wrote: >> https://stackoverflow.com/questions/19794695/flask-python-buttons/27952991#2 >> 7952991 is the same approach as the book. You may find the book better >> written than trying to piece it

Re: [Dorset] CentOS petition

2021-01-21 Thread Hamish McIntyre-Bhatty
On 21/01/2021 12:59, Tim Waugh wrote: > > Here's the latest about this: > > https://www.redhat.com/en/blog/new-year-new-red-hat-enterprise-linux-programs-easier-ways-access-rhel > > Tim. > */ Oh that looks really good, thank you for sharing :) Makes me feel quite a lot better about the whole

Re: [Dorset] Using Flask to render a set of Buttons.

2021-01-21 Thread Hamish McIntyre-Bhatty
On 21/01/2021 13:03, Terry Coles wrote: > On Thursday, 21 January 2021 12:52:44 GMT Hamish McIntyre-Bhatty wrote: >> I haven't looked at Flask in detail, but one way to do it would be to >> use a GET or POST value when the button is submitted in the form, so it >> eg redir

Re: [Dorset] Using Flask to render a set of Buttons.

2021-01-21 Thread Hamish McIntyre-Bhatty
On 21/01/2021 12:39, Terry Coles wrote: > Hi, > > I'm building a Web page to allow users to monitor key status information on > one of the Pis at WMT. I also want to create a page where users can press a > button to carry out certain tasks, such as Start or Stop some music playing > or >

Re: [Dorset] Raspberry Pi Pico

2021-01-21 Thread Hamish McIntyre-Bhatty
On 21/01/2021 09:50, Terry Coles wrote: > On Thursday, 21 January 2021 09:25:02 GMT Hamish McIntyre-Bhatty wrote: >> This is a very interesting product. That said, I agree with you Terry in >> that I think it would have been hard to even get Ethernet to work with >> something

Re: [Dorset] Raspberry Pi Pico

2021-01-21 Thread Hamish McIntyre-Bhatty
On 21/01/2021 08:11, Terry Coles wrote: > On Thursday, 21 January 2021 07:59:12 GMT PeterMerchant wrote: >> I notice that it doesn't have WiFi, and I wonder if it could be programmed >> from the Arduino IDE as 'c' is mentioned. Perhaps that will come. I have > Do you not compile the C code before

Re: [Dorset] Recommendations for webcam?

2021-01-19 Thread Hamish McIntyre-Bhatty
Extra: It seemed to work okay for Jitsi though, so that's good (I used by headset for audio input). Hamish On 09/01/2021 22:05, John Horne wrote: > On Fri, 2021-01-08 at 15:27 +0000, Hamish McIntyre-Bhatty wrote: >> Hi, >> >> So as I mentioned I'm going to be buying a

Re: [Dorset] Recommendations for webcam?

2021-01-19 Thread Hamish McIntyre-Bhatty
320x240 Interval: Discrete 0.033s (30.000 fps) Interval: Discrete 0.200s (5.000 fps) Hamish On 09/01/2021 22:05, John Horne wrote: > On Fri, 2021-01-08 at 15:27 +0000, Hamish McIntyre-Bhatty wrote: >> Hi, >> >> So as I mentioned I

Re: [Dorset] Am I allowed a moan?

2021-01-18 Thread Hamish McIntyre-Bhatty
On 18/01/2021 17:24, Tim wrote: > > On 17/01/2021 14:40, PeterMerchant wrote: >> I have been trying to work with a group 'Wimborne laptops for >> schools' for children at home who do not have computers to work with. >> A friend gave me her old computer to donate and I had my own old one. >> I was

Re: [Dorset] Laptop cooling

2021-01-08 Thread Hamish McIntyre-Bhatty
On 08/01/2021 16:06, Terry Coles wrote: > On Friday, 8 January 2021 15:26:33 GMT Hamish McIntyre-Bhatty wrote: >> In case anyone's interested, replacing the heatpipe for my laptop did >> fix the issue, it runs much cooler and can now continually boost even >> when under

[Dorset] Laptop cooling

2021-01-08 Thread Hamish McIntyre-Bhatty
In case anyone's interested, replacing the heatpipe for my laptop did fix the issue, it runs much cooler and can now continually boost even when under full load for several minutes, rather than thermal throttling. Hamish signature.asc Description: OpenPGP digital signature -- Next meeting:

Re: [Dorset] Old Books - Junk?

2021-01-06 Thread Hamish McIntyre-Bhatty
On 06/01/2021 10:21, PeterMerchant wrote: > If anybody wants them, I will keep them aside, otherwise it's > recycling bin or charity shop. > > Computer Security - Gollman  second Edition 2006 (3rd edition came out > in 2011) > > Local Area Network Management, Design and Security - Mikalsen 2002 >

Re: [Dorset] Intel RST?

2021-01-05 Thread Hamish McIntyre-Bhatty
On 05/01/2021 14:54, Tim Waugh wrote: > Hi, > > I have a laptop with a spare 2.5" drive bay I'd like to install a new disk > into (and run Linux on). > > The laptop uses Intel Rapid Storage Technology, which seems to be some sort > of RAID controller. I can switch it to regular AHCI in the BIOS,

Re: [Dorset] Migrating from VirtualBox to KVM/QEMU with virt-manager

2021-01-05 Thread Hamish McIntyre-Bhatty
On 17/12/2020 21:55, PeterMerchant wrote: > On 17/12/2020 16:34, Hamish McIntyre-Bhatty wrote: >> Hi all, >> >> I've had enough of VirtualBox's glitchiness, so I'm going to move as >> many of my VMs to KVM/QEMU with virt-manager as possible. This should >> also

[Dorset] CentOS petition

2021-01-05 Thread Hamish McIntyre-Bhatty
Hi there, I don't know if any of you use/target CentOS/RHEL, but if you do you may be interested in this petition: http://chng.it/8HWPR6j7JN I am doubtful as to the effectiveness of such a thing, but I have gone ahead and signed it anyway. I think Red Hat is making a big mess for their users

Re: [Dorset] No Response in alsamixer and Error from amixer

2020-12-18 Thread Hamish McIntyre-Bhatty
On 18/12/2020 12:41, Terry Coles wrote: > Hi, > > Some of you are aware that I've been re-engineering the Minster Bells and > Music Player at Wimborne Mode Town. Amongst other things I split the > functionality into two Pis (the original Pi 3 and a Pi Zero); both are > equipped with an

Re: [Dorset] Migrating from VirtualBox to KVM/QEMU with virt-manager

2020-12-17 Thread Hamish McIntyre-Bhatty
On 17/12/2020 16:38, Keith Edmunds wrote: > On Thu, 17 Dec 2020 16:34:22 +, hamis...@live.co.uk said: > >> a way to move an activated Windows >> install without deactivating it? Mine is an OEM copy > You cannot (officially, at least) move OEM Windows to any other device. Yeah, I know, but

[Dorset] Migrating from VirtualBox to KVM/QEMU with virt-manager

2020-12-17 Thread Hamish McIntyre-Bhatty
Hi all, I've had enough of VirtualBox's glitchiness, so I'm going to move as many of my VMs to KVM/QEMU with virt-manager as possible. This should also be more performant, or so I hear. I've done this before with Linux VMs and it's fairly easy, but I was wondering if anyone has heard of a way to

Re: [Dorset] Distributed computing for COVID

2020-12-14 Thread Hamish McIntyre-Bhatty
On 14/12/2020 10:15, Tim Waugh wrote: > On Mon, 14 Dec 2020 at 09:50, Hamish McIntyre-Bhatty > mailto:hamis...@live.co.uk>> wrote: > > I was wondering, now that there are multiple vaccines in > development/in > use, whether we still think it's worth doi

[Dorset] Distributed computing for COVID

2020-12-14 Thread Hamish McIntyre-Bhatty
Hi all, I was wondering, now that there are multiple vaccines in development/in use, whether we still think it's worth doing distributed computing for COVID research. Currently I have an old laptop and a Pi 3 doing this 24/7, and my desktop does it when it's on while I work. I'm thinking I might

Re: [Dorset] Paths relative to a current working directory whose path contains symbolic links

2020-11-09 Thread Hamish McIntyre-Bhatty
On 09/11/2020 17:45, Patrick Wigmore wrote: > Thank you so much for that informative response, Ralph. > > So much interesting history! > > On Mon, 09 Nov 2020 15:00:55 +, Ralph Corderoy wrote: >> The program can't know which. It shouldn't try and >> guess but instead just pass the argument to

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-11-05 Thread Hamish McIntyre-Bhatty
Just noting that with the latest system and virtualbox updates that this problem has gone away. I have no idea why it ever happened, but virtualbox is now stable, and the kernel memory is now only 300MB at the end of the day instead of 12GB. It's still more than is ideal I guess, but it no longer

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-10-10 Thread Hamish McIntyre-Bhatty
On 16/09/2020 12:24, Hamish McIntyre-Bhatty wrote: > On 16/09/2020 12:19, Hamish McIntyre-Bhatty wrote: >> On 11/09/2020 21:49, Hamish McIntyre-Bhatty wrote: >>> On 11/09/2020 10:04, Ralph Corderoy wrote: >>>> >>> I'm gonna have to shut this system down,

[Dorset] GPL X server VcxSrv?

2020-10-09 Thread Hamish McIntyre-Bhatty
Hello, I was wondering if any of you have come across this: https://sourceforge.net/projects/vcxsrv/ It seems to be a reliable, well-respected X server port for Windows. I'm thinking of bundling it with my program. However, the Xorg X server is released under a variety of licenses (MIT +

[Dorset] Windows-based solar panel-related software

2020-10-07 Thread Hamish McIntyre-Bhatty
Hi Terry, I believe you said during the call that you keep a Windows VM around just to occasionally run a piece of software that talks to your solar panel energy output monitor/similar? I'm sure you probably looked into this, and I think you said you don't use it much, but have you tried running

Re: [Dorset] Next Online Meeting - Tonight at 8pm

2020-10-06 Thread Hamish McIntyre-Bhatty
Excellent, I'm looking forward to boring you all to death with Cygwin stuff :) Hamish On 06/10/2020 12:35, Terry Coles wrote: > All, > > The next Online Meeting is tonight at 8 pm using Jitsi. > > Simply click on the following link and you will be taken to the Meeting > using your default

[Dorset] Interesting Linux and old tech Youtube channel

2020-10-05 Thread Hamish McIntyre-Bhatty
On the off chance some of you are interested, I found this channel that goes in to some detail about Linux and getting things working on obscure and old architectures. The guy is kinda opinionated and grumpy, but the content is quite good (and gloriously nerdy) if you're in the mood so I thought

Re: [Dorset] How to Cancel Existing systemd.timer(5) OnCalendar Values.

2020-09-30 Thread Hamish McIntyre-Bhatty
On 09/09/2020 12:15, Keith Edmunds wrote: > On Wed, 9 Sep 2020 09:44:44 +0100, hamis...@live.co.uk said: > >> so has anyone experienced cron jobs sporadically (kind of randomly) not >> running when they're meant to? > No, never (and I've been using Linux since the early 90s, and UNIX before >

Re: [Dorset] Loss of OS during upgrade

2020-09-25 Thread Hamish McIntyre-Bhatty
On 25/09/2020 10:58, C Wills wrote: > Hi All > Update on my problems when upgrading Mint 19.3 to Mint 20. > > Thank you all for your help, I tried most suggestions and finally, > yesterday, got everything working. > > Ralph: Thank you for all our suggestions and I tried to follow the > last set,

Re: [Dorset] Filesystem in a LUKS volume unmounts randomly on Raspberry Pi

2020-09-17 Thread Hamish McIntyre-Bhatty
On 12/09/2020 14:07, Ralph Corderoy wrote: > Hi Hamish, > >> Any thoughts about diagnosing storage unmounting with no explanation >> is dmesg? This seems rather strange to me. I'm using a powered hub >> too now, in case I forgot to mention. Other volumes on the same >> external disk stay

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-16 Thread Hamish McIntyre-Bhatty
On 16/09/2020 12:19, Hamish McIntyre-Bhatty wrote: > On 11/09/2020 21:49, Hamish McIntyre-Bhatty wrote: >> On 11/09/2020 10:04, Ralph Corderoy wrote: >>> >> I'm gonna have to shut this system down, but in the meantime I'm open to >> any more suggestions. I'll try

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-16 Thread Hamish McIntyre-Bhatty
On 11/09/2020 21:49, Hamish McIntyre-Bhatty wrote: > On 11/09/2020 10:04, Ralph Corderoy wrote: >> > I'm gonna have to shut this system down, but in the meantime I'm open to > any more suggestions. I'll try a bunch of different things I guess, and > see f it makes any differ

Re: [Dorset] How to Cancel Existing systemd.timer(5) OnCalendar Values.

2020-09-13 Thread Hamish McIntyre-Bhatty
On 13/09/2020 12:08, Ralph Corderoy wrote: > Hi, > > I wrote: >> Now I just have to work out why updatedb.conf(5)'s PRUNE_BIND_MOUNTS >> doesn't seem to have an effect. :-) > Because it's buggy and doesn't work. It's been known about for many > years and not fixed or documented. :-( > >

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-11 Thread Hamish McIntyre-Bhatty
On 11/09/2020 10:04, Ralph Corderoy wrote: > Hi Hamish, > >> NB: On desktop I seem to have a very high number for "SUnreclaim" in >> /proc/meminfo: >> >> MemTotal:   32812004 kB >> MemFree: 8619976 kB >> MemAvailable:    9572924 kB >> Buffers:   61772 kB >> Cached: 

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-11 Thread Hamish McIntyre-Bhatty
On 11/09/2020 10:04, Ralph Corderoy wrote: > Hi Hamish, > >> NB: On desktop I seem to have a very high number for "SUnreclaim" in >> /proc/meminfo: >> >> MemTotal:   32812004 kB >> MemFree: 8619976 kB >> MemAvailable:    9572924 kB >> Buffers:   61772 kB >> Cached: 

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
On 10/09/2020 21:56, Keith Edmunds wrote: > Using swap is not a bad thing in itself (quite the opposite in many cases). > > The actual process of swapping is expensive, though, and you want to > minimise that. > > One way to see whether you have a lot of swapping going on is to run > "vmstat 1"

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
On 10/09/2020 21:17, Keith Edmunds wrote: > On Thu, 10 Sep 2020 21:03:21 +0100, hamis...@live.co.uk said: > >> Any more ideas? This has definitely revealed something interesting, just >> not sure what it is yet/what to do about it. > > You don't need to do anything about it. Well, it keeps going

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
On 10/09/2020 15:44, Hamish McIntyre-Bhatty wrote: > On 10/09/2020 15:29, Ralph Corderoy wrote: >> ‘sudo slabtop -osc’ will give a breakdown. > Ignore previous message in moderation queue, using ix.io now. > > Okay, that yields: > > http://ix.io/2x4T > > The total i

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
On 10/09/2020 15:29, Ralph Corderoy wrote: > ‘sudo slabtop -osc’ will give a breakdown. Ignore previous message in moderation queue, using ix.io now. Okay, that yields: http://ix.io/2x4T The total is much smaller than the number in /proc/meminfo (just verified it hasn't changed drastically).

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
On 10/09/2020 15:07, Ralph Corderoy wrote: > Hi Hamish, > >> This is strange. If I close eg Firefox, the all the (20+!) listings >> for that process go away. > Did you have quite a lot of tabs in that Firefox? It uses multiple > processes these days, roughly number of tabs plus a few. Yeah, I

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
On 10/09/2020 14:17, Hamish McIntyre-Bhatty wrote: NB: On desktop I seem to have a very high number for "SUnreclaim" in /proc/meminfo: MemTotal:   32812004 kB MemFree: 8619976 kB MemAvailable:    9572924 kB Buffers:   61772 kB Cached:  1061212 kB

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
On 10/09/2020 14:12, Keith Edmunds wrote: > On Thu, 10 Sep 2020 14:07:00 +0100, hamis...@live.co.uk said: > >> No difference to the output. > Surprising. Here: > > $ ps aux|wc -l > 364 > $ ps maux|wc -l > 1872 That shows a difference similar to yours, but there is no difference in those use cases

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
On 10/09/2020 14:03, Keith Edmunds wrote: > On Thu, 10 Sep 2020 13:57:09 +0100, hamis...@live.co.uk said: > >> ps aux > Doesn't show threads. Try "ps maux" (or, if you prefer, "ps -Lef"). No difference to the output. signature.asc Description: OpenPGP digital signature -- Next meeting:

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
On 10/09/2020 13:20, Keith Edmunds wrote: > On Thu, 10 Sep 2020 12:09:51 +0100, hamis...@live.co.uk said: > >> Using htop in that way seems to show processes that aren't currently >> running any more - like previous invocations of firefox, in the stats. >> Is that expected? > Not expected nor

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
On 10/09/2020 13:12, Terry Coles wrote: > On Thursday, 10 September 2020 12:59:49 BST Hamish McIntyre-Bhatty wrote: >> "free" should report physical "real" memory usage right? If I'm mistaken >> there it could explain the numbers. The NAS box had only 14M or 2

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
On 10/09/2020 12:09, Hamish McIntyre-Bhatty wrote: > On 10/09/2020 12:03, Keith Edmunds wrote: >> What problem are you trying to solve? >> >> If you're just curious about memory usage, run htop, press F6 and sort by >> M_RESIDENT or, if you're feeling more advent

Re: [Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
On 10/09/2020 12:03, Keith Edmunds wrote: > What problem are you trying to solve? > > If you're just curious about memory usage, run htop, press F6 and sort by > M_RESIDENT or, if you're feeling more adventurous, run atop and press M > (not m). Either will show you how much memory each process is

[Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
Hi all, Sorry for spamming the list a bit lately! :) Another issue I've had on my desktop, is that after being powered on for after maybe 4 hours, my memory usage starts to climb, but no process is listed as having used much memory. After a few days, this is what "free -h" shows:  

[Dorset] Very high memory usage (ignoring cache) after being powered on for days

2020-09-10 Thread Hamish McIntyre-Bhatty
Hi all, Sorry for spamming the list a bit lately! :) Another issue I've had on my desktop, is that after being powered on for after maybe 4 hours, my memory usage starts to climb, but no process is listed as having used much memory. After a few days, this is what "free -h" shows:  

Re: [Dorset] Filesystem in a LUKS volume unmounts randomly on Raspberry Pi

2020-09-09 Thread Hamish McIntyre-Bhatty
On 09/09/2020 14:42, Terry Coles wrote: > On Wednesday, 9 September 2020 14:15:08 BST Hamish McIntyre-Bhatty wrote: >> Perhaps this explains some of our issues with the network in previous >> years at the model town, Terry? It might be worth me making a note on >> the forum ab

Re: [Dorset] How to Cancel Existing systemd.timer(5) OnCalendar Values.

2020-09-09 Thread Hamish McIntyre-Bhatty
On 09/09/2020 12:15, Keith Edmunds wrote: > On Wed, 9 Sep 2020 09:44:44 +0100, hamis...@live.co.uk said: > >> so has anyone experienced cron jobs sporadically (kind of randomly) not >> running when they're meant to? > No, never (and I've been using Linux since the early 90s, and UNIX before >

Re: [Dorset] Filesystem in a LUKS volume unmounts randomly on Raspberry Pi

2020-09-09 Thread Hamish McIntyre-Bhatty
On 09/09/2020 09:41, Hamish McIntyre-Bhatty wrote: > > Cheers for finding that, I didn't really have any luck in my search for > that (or for young Skywalker). > > NB:  meant "errors=remount-ro", that was a typo. > > I'm kinda surprised a networking-driver-relate

Re: [Dorset] How to Cancel Existing systemd.timer(5) OnCalendar Values.

2020-09-09 Thread Hamish McIntyre-Bhatty
On 09/09/2020 09:38, Ralph Corderoy wrote: > Hi Patrick, > >> Is it intentional that OnCalender= has a different spelling of >> Calend[a,e]r than OnCalendar=20:12? > Nope! Thanks, that fixes it. > > $ systemctl cat updatedb.timer > # /usr/lib/systemd/system/updatedb.timer > [Unit] >

Re: [Dorset] Filesystem in a LUKS volume unmounts randomly on Raspberry Pi

2020-09-09 Thread Hamish McIntyre-Bhatty
On 09/09/2020 04:25, Ralph Corderoy wrote: > Hi Hamish, > >> [983261.923836] NETDEV WATCHDOG: enxb827eb7194f1 (lan78xx): transmit queue 0 >> timed out >> [983261.923915] WARNING: CPU: 2 PID: 0 at net/sched/sch_generic.c:466 >> dev_watchdog+0x2b0/0x2b8 > ... >> [983261.924056] Hardware name:

Re: [Dorset] Filesystem in a LUKS volume unmounts randomly on Raspberry Pi

2020-09-07 Thread Hamish McIntyre-Bhatty
On 07/09/2020 14:36, Hamish McIntyre-Bhatty wrote: > On 24/06/2020 10:18, Hamish McIntyre-Bhatty wrote: >> On 20/06/2020 14:30, Patrick Wigmore wrote: >>> I wonder if it makes a difference what tools you use to unlock and >>> mount the LUKS container and partit

Re: [Dorset] Filesystem in a LUKS volume unmounts randomly on Raspberry Pi

2020-09-07 Thread Hamish McIntyre-Bhatty
On 24/06/2020 10:18, Hamish McIntyre-Bhatty wrote: > On 20/06/2020 14:30, Patrick Wigmore wrote: >> I wonder if it makes a difference what tools you use to unlock and >> mount the LUKS container and partition. E.g. cryptsetup, mount, >> udisksctl, some GUI tool (which mi

Re: [Dorset] Loss of OS during upgrade

2020-09-02 Thread Hamish McIntyre-Bhatty
On 02/09/2020 17:19, C Wills wrote: > Interesting meeting last night especially about the keyboard settings, > found several things about the PC keyboard I was using and it's > additional keys. > > Sorry this is a long email. > Now to my problem:  While trying to upgrade from Mint 19.3 to Mint 20

Re: [Dorset] Understanding EXT4 disk options

2020-09-02 Thread Hamish McIntyre-Bhatty
On 31/08/2020 12:33, Ralph Corderoy wrote: > Do a remount changing an option line barrier between 0 and 1 and back > again. Each time observe whether mount and mountinfo reflect the latest > change and whether they tally. This should give you confidence in what > to trust when observing your

Re: [Dorset] Next Online Meeting - Tonight at 8pm

2020-09-01 Thread Hamish McIntyre-Bhatty
I have a shift this evening, so sadly I can't attend unless you're still going at 10PM when I get back. Hamish On 01/09/2020 10:17, Terry Coles wrote: > All, > > The next Online Meeting is tonight at 8 pm using Jitsi. > > For those who missed it earlier; here are the Instructions for joining: >

Re: [Dorset] Understanding EXT4 disk options

2020-08-29 Thread Hamish McIntyre-Bhatty
I believe they have: if I just run "mount", it shows the new options that I specified. I know they work because I did encounter the "mount point not mounted or bad option." error when I was trying to figure out what options it would accept. I reckon that because this is D-Link's stupid flavour of

Re: [Dorset] Understanding EXT4 disk options

2020-08-28 Thread Hamish McIntyre-Bhatty
Good idea, but sadly that just shows the default mount options. It does show some other very small (unused) HDD partitions are mounted with data=ordered though. On 28/08/2020 20:39, Ralph Corderoy wrote: > Hello Hamish, > >> I was able to specify all options except the "data=ordered" one, as it

Re: [Dorset] Understanding EXT4 disk options

2020-08-27 Thread Hamish McIntyre-Bhatty
2020 14:22, Hamish McIntyre-Bhatty wrote: > Okay, I'll try disabling that option too. I need to devise a way of > checking that the storage is still working properly after changing the > options - I don't trust D-Link (the manufacturer) very much at this stage XD > > Cheers Ralph, > >

Re: [Dorset] Understanding EXT4 disk options

2020-08-27 Thread Hamish McIntyre-Bhatty
Okay, I'll try disabling that option too. I need to devise a way of checking that the storage is still working properly after changing the options - I don't trust D-Link (the manufacturer) very much at this stage XD Cheers Ralph, Hamish On 27/08/2020 14:19, Ralph Corderoy wrote: > Hello Hamish,

Re: [Dorset] Understanding EXT4 disk options

2020-08-27 Thread Hamish McIntyre-Bhatty
I like the solution of remounting. I'm running an extended SMART test on the drives, but after that I'll give it a shot. The other option that gets my attention is "stripe=96", but I'm not sure I understand what that does in a RAID 1 array. Is this another option I should change? Hamish On

[Dorset] Understanding EXT4 disk options

2020-08-27 Thread Hamish McIntyre-Bhatty
Hello, After a power loss at the model town recently, I discovered the NAS box's database had become corrupted. Fortunately, it was able to recover the lost data with the "REPAIR TABLE" SQL command. Unfortunately, when I was investigating the cause, I found that the following mount options are

[Dorset] Computing with photons instead of electrons

2020-08-21 Thread Hamish McIntyre-Bhatty
Hi, Thought some of you might find this interesting too :) https://www.tomshardware.com/news/lightmatter-mars-soc-bends-light-to-process-data-silicon-photonics Hamish signature.asc Description: OpenPGP digital signature -- Next meeting: Online, Jitsi, Tuesday, 2020-09-01 20:00 Check to

Re: [Dorset] Waveshare 1.5 inch OLED Display

2020-08-05 Thread Hamish McIntyre-Bhatty
On 05/08/2020 10:20, Terry Coles wrote: > That's what I thought. > I intend to share this with the volunteer who originally bought the display, > He was / is a hardware engineer before he retired, so we might be able to get > quite a bit out of this between us. > > Hamish has been busy on the

[Dorset] World Community Grid COVID-19 project

2020-08-02 Thread Hamish McIntyre-Bhatty
I'm fairly sure this has already been mentioned, but if not: World Community Grid has launched a COVID-19 projects as well, and it runs on ARM-based CPUs and Android phones as well as x86. Ibercivis has stopped as far as I can tell, so this might be a good replacement project :) Hamish

Re: [Dorset] BOINC and Folding on Ubuntu 20.04 and derivatives

2020-07-24 Thread Hamish McIntyre-Bhatty
On 23/07/2020 17:41, Terry Coles wrote: > On Thursday, 23 July 2020 17:29:45 BST Hamish McIntyre-Bhatty wrote: >> I was wondering if any of you have run BOINC and/or Folding on Ubuntu >> 20.04 or a derivative. I'm thinking of Upgrading my desktop from Mint >> 19.3 to 20 s

[Dorset] BOINC and Folding on Ubuntu 20.04 and derivatives

2020-07-23 Thread Hamish McIntyre-Bhatty
Hi all, I was wondering if any of you have run BOINC and/or Folding on Ubuntu 20.04 or a derivative. I'm thinking of Upgrading my desktop from Mint 19.3 to 20 soon, and it'd be good to know if I'm likely to experience problems with these first :) Hamish signature.asc Description: OpenPGP

Re: [Dorset] Determining which revision of code was downloaded from GitLab.

2020-07-20 Thread Hamish McIntyre-Bhatty
On 20/07/2020 14:04, Terry Coles wrote: > On Monday, 20 July 2020 13:55:14 BST Hamish McIntyre-Bhatty wrote: >> No, I think we absolutely could do that, and it would be a good >> solution, though perhaps a little tricky for future maintainers. If you >> think we should d

Re: [Dorset] Determining which revision of code was downloaded from GitLab.

2020-07-20 Thread Hamish McIntyre-Bhatty
On 20/07/2020 13:45, Terry Coles wrote: > On Monday, 20 July 2020 13:35:19 BST Hamish McIntyre-Bhatty wrote: >> Sadly, seeing as this is Python software, we don't have a makefile. I >> know there are a variety of ways to solve this going forwards, including >> even just n

Re: [Dorset] Determining which revision of code was downloaded from GitLab.

2020-07-20 Thread Hamish McIntyre-Bhatty
On 20/07/2020 12:30, Ralph Corderoy wrote: > > If the tar-file download doesn't include the revision in its filename > and the directory it unpacks then I'd either post-process it to do that > or stop using the web download and do a proper ‘release’ target in the > software's makefile. Then when

[Dorset] Determining which revision of code was downloaded from GitLab.

2020-07-20 Thread Hamish McIntyre-Bhatty
Hi all, So as you may know, GitHub and GitLab allow you to download all files from a branch as a compressed archive, using your web browser. For a while, this is how we've deployed the river control system software at Wimborne Model Town, as the system hasn't had internet access, historically

Re: [Dorset] Making iptables Entries Persistent

2020-07-19 Thread Hamish McIntyre-Bhatty
On 19/07/2020 20:10, Patrick Wigmore wrote: > On Sat, 18 Jul 2020 18:17:38 +0100, Terry Coles wrote: >> Hi, >> >> It has been suggested that I add an iptables rule into some devices >> and make it persistent by adding the rule to /etc/rc.local. >> >> I naively thought that iptables rules were

Re: [Dorset] Making iptables Entries Persistent

2020-07-19 Thread Hamish McIntyre-Bhatty
On 18/07/2020 18:17, Terry Coles wrote: > Hi, > > It has been suggested that I add an iptables rule into some devices and make > it persistent by adding the rule to /etc/rc.local. > > I naively thought that iptables rules were persistent, but a quick google > throws up the idea of using

Re: [Dorset] Filesystem in a LUKS volume unmounts randomly on Raspberry Pi

2020-06-24 Thread Hamish McIntyre-Bhatty
On 20/06/2020 14:30, Patrick Wigmore wrote: > I wonder if it makes a difference what tools you use to unlock and > mount the LUKS container and partition. E.g. cryptsetup, mount, > udisksctl, some GUI tool (which might depend on udisks2), or something > else. > > The most similar thing I've

Re: [Dorset] Internet Access Using Tethering

2020-06-20 Thread Hamish McIntyre-Bhatty
The only thing I know related to this is that Android devices sometimes have a bug where you have to run a shell command on them to get tethering working (I did on mine), but clearly that's not the problem you're having seeing as general internet access is working. Ignoring the ping, can you

[Dorset] Filesystem in a LUKS volume unmounts randomly on Raspberry Pi

2020-06-19 Thread Hamish McIntyre-Bhatty
of the time. Other things could be that in using the 64-bit kernel so I can do distributed computing on the Pi, but this has been going on since way before I started doing that. Perhaps there's a bug in whatever drives LUKS storage on the Pi/its architecture? Any ideas? Hamish McIntyre-Bhatty

Re: [Dorset] Ibercivis Down?

2020-06-18 Thread Hamish McIntyre-Bhatty
On 18/06/2020 10:06, Terry Coles wrote: > On Thursday, 18 June 2020 10:01:13 BST Hamish McIntyre-Bhatty wrote: >> Their BOINC project page seems like it was never fully set up anyway - >> eg password reset doesn't work - so it's probably just temporary >> downtime. Anyone

Re: [Dorset] Ibercivis Down?

2020-06-18 Thread Hamish McIntyre-Bhatty
On 18/06/2020 06:10, Terry Coles wrote: > I've been unable to upload any Tasks for a day or two and the Ibercivis > website appears to be down. > > Has anyone else seen this? I can't find any references to the project being > off-line on the web. > > I have a dozen completed tasks and I don't

Re: [Dorset] Selling GPL software with different price points.

2020-06-11 Thread Hamish McIntyre-Bhatty
On 10/06/2020 17:33, Patrick Wigmore wrote: > On Wed, 10 Jun 2020 15:56:41 +0100, Ralph Corderoy wrote: >> Hamish could distinguish the sold editions with ‘Personal Edition’ >> and ‘Business Edition’ though, e.g. title bars, or About dialogue >> windows? This wouldn't be a restriction, just an

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