Re: [GLLUG] Off the shelf "Smart Home" devices

2024-02-07 Thread John Hearns via GLLUG
I guess you could start here https://www.home-assistant.io/ I use Alexa enabled devices. You do need a Zigbee hub for a lot of devices, this is a low power network. I have the stupidity of having two hubs, one for lights one for heating. I was in a conversation at FOSDEM regarding a new standard

Re: [GLLUG] SAN events kill Linux filesystems

2024-01-08 Thread John Hearns via GLLUG
Have you raised an issue with Dell EMC? On Sat, 6 Jan 2024 at 10:10, James Dutton via GLLUG < gllug@mailman.lug.org.uk> wrote: > > > On Wed, 20 Dec 2023, 11:51 Henrik Morsing via GLLUG, < > gllug@mailman.lug.org.uk> wrote: > >> >> Good morning, >> >> Don't know if anyone has come across this but

Re: [GLLUG] IPv6 address allocation changes

2023-07-24 Thread John Hearns via GLLUG
Is it a shaggy dog story that the CIA own the Class A 10.X.X.X block? On Sat, 22 Jul 2023 at 22:48, Andy Smith via GLLUG wrote: > On Sat, Jul 22, 2023 at 09:24:15PM +, Andy Smith via GLLUG wrote: > > It's not really a thing to worry about. Unless you have an ISP that > > considers your

Re: [GLLUG] Comments please

2023-07-24 Thread John Hearns via GLLUG
ps. One thing which could improve healthcare computing greatly. And not Open Source. Thin clients or zero clients on the wards and on reception desks. Using existing smartcards to validate the user. Have live migrating desktops which 'follow' the card. Advantages I can see * staff dont have to

Re: [GLLUG] Comments please

2023-07-24 Thread John Hearns via GLLUG
Karanbir, great to see you on here again. Your post is very insightful. On Mon, 24 Jul 2023 at 11:08, Karanbir Singh via GLLUG < gllug@mailman.lug.org.uk> wrote: > hi, > > On 22/07/2023 17:36, bap--- via GLLUG wrote: > > It turns out that he’s an old skool Linux and BSD hacker. He would like >

Re: [GLLUG] Comments please

2023-07-24 Thread John Hearns via GLLUG
That PACS system had been developed for the US Veterans Administration by Loral. It featured a 20Gbyte RAID array which was portable - meaning you could sling it under a helicopter. Think a tall and wide rack of kit. I also remember going to dinner with a full bird colonel from the US military

Re: [GLLUG] Comments please

2023-07-23 Thread John Hearns via GLLUG
> You just need an indexing system that is > versatile enough to work with the idea that some people are going to > have multiple entries, and in an ideal world they would eventually all > get merged, but life isn't like that. My first job in London was working on an early radiology PACS system at

Re: [GLLUG] Debian Live pxe boot

2023-06-27 Thread John Hearns via GLLUG
Ethernet device naming is a minefield, even with the predictable names (yeah I know.. do some studying) I set biosdevname=1 in the kernel parameters when building HPC clusters On Tue, 27 Jun 2023 at 10:49, Ken Smith via GLLUG wrote: > Ken Smith via GLLUG wrote: > > Hi All, > > > > I wonder if

Re: [GLLUG] JOB | Lead Linux Sysadmin (Edinburgh/London)

2023-03-14 Thread John Hearns via GLLUG
We had endless wrangling about this in the early days. As I remember we had one problem recruiter. The policy is yes, infrequent posts from recruiters are OK. Also hope that the recruiter adds something back to the community. On Thu, 9 Mar 2023 at 18:18, Alistair Mann via GLLUG <

Re: [GLLUG] Installing GRUB on PReP LV

2023-02-03 Thread John Hearns via GLLUG
Have you tried Dell support? On Thu, 26 Jan 2023, 18:03 Henrik Morsing via GLLUG, < gllug@mailman.lug.org.uk> wrote: > On Thu, Jan 26, 2023 at 05:22:06PM +, James Dutton wrote: > >> > > Hi James, > > >You don't make it particularly clear what sort of new storage you are > using. > > EMC

Re: [GLLUG] Direct Fibre To The House

2022-08-31 Thread John Hearns via GLLUG
I have Hyperoptic. They are superb. They originally only worked with apartment blocks - I believe this is no longer so. In our block they have a rack high up on a wall downstairs and every apartment has a CAT5 line run up to it. I don't know exactly what is in the rack. Hyperoptic depend on BT

Re: [GLLUG] GeForce 256

2022-06-06 Thread John Hearns via GLLUG
Forget what I said. My card would be bought in 2004 On Mon, 6 Jun 2022, 21:40 John Hearns, wrote: > I might have one of the first CUDA compatible cards in a Sun AMD > workstation. > 1999 sounds too far too early for CUDA. > I remember going to TCR to buy mine. > > On Sat, 4 Jun 2022, 20:12

Re: [GLLUG] GeForce 256

2022-06-06 Thread John Hearns via GLLUG
I might have one of the first CUDA compatible cards in a Sun AMD workstation. 1999 sounds too far too early for CUDA. I remember going to TCR to buy mine. On Sat, 4 Jun 2022, 20:12 Alistair Mann via GLLUG, wrote: > Nvidia marketed this 1999 card as having "the world's first GPU". Does > anyone

Re: [GLLUG] Read only?

2022-05-24 Thread John Hearns via GLLUG
Talking about SD cards, the satnav on my Volkswagen used a full size SD Card. I bought an up to date SD card - which is not read by the system in the car. It turns out there is something called CID Locking - the manufacturer is encoded as a CID number on the SD card. Any other type of SD Card even

Re: [GLLUG] Information please about FTTH/FTTP

2022-02-25 Thread John Hearns via GLLUG
Chris, I Cannot comment on Community Fibre. However I have the service from Hyperoptic. I believe they use BT fibre to the apartment block I live in. In the basement there is a wall mounted cabinet with what I assume is a router (I have never got a look inside it). There is a CAT5 copper cable run

Re: [GLLUG] Job Posting

2021-10-06 Thread John Hearns via GLLUG
Lee, I for one do not see a problem in a job ad. Having worked for Framestore a good few years ago I can recommend anyone to go work for an effects company. It is hard work but you will work with some brilliant and creative people. If anyone is interested in effects, there was a brilliant talk at

Re: [GLLUG] Power control over IP

2021-06-01 Thread John Hearns via GLLUG
I did like the Xeon-D at that time. I wanted to position them as servers for bioinformatics (gene sequencing). I never quite achieved that and do regret it. On Tue, 1 Jun 2021 at 16:50, Andy Smith via GLLUG wrote: > Hello, > > On Tue, Jun 01, 2021 at 04:37:27PM +0100, James Courtier-Dutton via

Re: [GLLUG] Power control over IP

2021-06-01 Thread John Hearns via GLLUG
Regarding iDRAC there is a comprehensive overview of the various features here Put simply, yes iDRAC supports IPMI. I always advise getting the Enterprise license - you can get a months trial license too.

Re: [GLLUG] Power control over IP

2021-06-01 Thread John Hearns via GLLUG
Marco, you have summarised things very well here. As an addition, you do not have to look at the rear of the server to figure out if the server has IPMI. Install the ipmitool package on your server (whatever the package name is) Start the ipmi system service The modules loaded should be

Re: [GLLUG] Power control over IP

2021-05-30 Thread John Hearns via GLLUG
As above, you need to tell us a bit more about the servers you use. Also some information about the rack would be useful too, and the existing PDU (power distribution unit) On Sun, 30 May 2021 at 06:58, John Hearns wrote: > I am a principal engineer with Dell. As James says, Dell servers have >

Re: [GLLUG] Power control over IP

2021-05-30 Thread John Hearns via GLLUG
I am a principal engineer with Dell. As James says, Dell servers have iDRAC controllers which permit full remote operations on servers. We can read out power consumption, fans speeds (etc. etc.), do firmware upgrades to fleets of servers using Openmanage enterprise and proactively monitor for

Re: [GLLUG] Teddy bear principle

2020-12-26 Thread John Hearns via GLLUG
I was taught Computer Science by Jennifer Haselgrove in Glasgow. Her first lecture concerned talking to your cat, and as I remember telling your cat the steps needed to make a cup of tea. So you are wrong - it is cats, not teddy bears. Something surprising about Dr Haselgrove - she lectured in

Re: [GLLUG] why is adduser unknown command in Debian 10.4?

2020-09-02 Thread John Hearns via GLLUG
sudo -i Yes i will burn in heck. On Wed, 2 Sep 2020 at 08:19, James Roberts via GLLUG < gllug@mailman.lug.org.uk> wrote: > "Use su - instead" - we always were supposed to do that and I tried to > remember to do so, but bad habits learned early on persist and I often > slipped. Now I'll be forced

Re: [GLLUG] Retrieving debian source package.

2020-07-12 Thread John Hearns via GLLUG
If you can 'see' the source package can you not use wget to download it? On Sun, 12 Jul 2020 at 10:14, Tim Woodall via GLLUG < gllug@mailman.lug.org.uk> wrote: > Hi All, > > I'm struggling to work out how to retrieve a debian source package. I > get this: > > tim@dirac:~/git/pkgrebuild/squid$

Re: [GLLUG] Webcam on Linux

2020-06-18 Thread John Hearns via GLLUG
Sorry - I did not read correctly. You have a built in webcam. On Thu, 18 Jun 2020 at 11:07, John Hearns wrote: > When you plug it in what does lsusb tell you? > > I have a Zoom USB webcam which works fine on Fedora and Raspberry Pi. > I bought it in MediaMart in Holland though! > > On Thu, 18

Re: [GLLUG] Webcam on Linux

2020-06-18 Thread John Hearns via GLLUG
When you plug it in what does lsusb tell you? I have a Zoom USB webcam which works fine on Fedora and Raspberry Pi. I bought it in MediaMart in Holland though! On Thu, 18 Jun 2020 at 00:51, Andrew Black via GLLUG < gllug@mailman.lug.org.uk> wrote: > My laptop webcam has broken, and I dont have

Re: [GLLUG] KVM Performance

2020-06-10 Thread John Hearns via GLLUG
https://www.architecting.it/blog/wekaio-matrix-performance-das/ On Tue, 9 Jun 2020 at 21:52, Ken Smith via GLLUG wrote: > Hi All, > > While in lockdown I decided to do some performance testing on KVM. I had > believed that passing a block device through to a guest rather than > using a QCOW2

Re: [GLLUG] How worried should I be ...

2020-05-24 Thread John Hearns via GLLUG
These errors are logged in mcelog also - if you are running mcelog! On Sun, 24 May 2020 at 16:12, John Hearns wrote: > As Martin Broosk says run memtest. > You can run the user space memtester on circa 90% of the RAM. > Ever better download https://www.stresslinux.org/sl/ > Format a USB stick

Re: [GLLUG] How worried should I be ...

2020-05-24 Thread John Hearns via GLLUG
As Martin Broosk says run memtest. You can run the user space memtester on circa 90% of the RAM. Ever better download https://www.stresslinux.org/sl/ Format a USB stick and boot from it. Then run the memtester utility there. On a server I would advise to use the iDrac or BMC and get a list of the