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NixOS System Operations

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4 Oct 2024
@3von:matrix.org3von joined the room.21:44:24
5 Oct 2024
@julius:mtx.liftm.deˈt͡sɛːzaɐ̯ joined the room.04:15:24
@3von:matrix.org3vonAnyone here use i3 with Nextcloud? Trying to figure out how to get the NC client to stop asking for access every time I login11:18:29
@ma27:nicht-so.sexyma27 in my case I do it with sway.
I let Nextcloud write to the gnome keyring. 		11:19:49
@scrumplex:duckhub.ioScrumplex
In reply to @3von:matrix.org
Anyone here use i3 with Nextcloud? Trying to figure out how to get the NC client to stop asking for access every time I login
This usually happens if you don't have a secret store that's compatible with Nextcloud 		11:19:52
@scrumplex:duckhub.ioScrumplexYeah setting up gnome keyring is one way to solve this11:20:02
@ma27:nicht-so.sexyma27 services.gnome.gnome-keyring.enable = true; and IIRC that was sufficient. 11:20:20
@3von:matrix.org3von
In reply to @scrumplex:duckhub.io
Yeah setting up gnome keyring is one way to solve this
What is IIRC? 		11:20:35
@ma27:nicht-so.sexyma27
In reply to @scrumplex:duckhub.io
Yeah setting up gnome keyring is one way to solve this
YMMV, but for me this was the quickets way to get a libsecret store. 		11:20:49
@ma27:nicht-so.sexyma27
In reply to @3von:matrix.org
What is IIRC?
if I recall correctly. 		11:21:00
@scrumplex:duckhub.ioScrumplexThere are also some other secret providers like KeePassXC11:21:02
@3von:matrix.org3vonOh I c. OK activating keyring now11:21:45
@3von:matrix.org3vonThat worked like a charm. Thanks all11:23:37
@philip4g:matrix.orgPhilip

Hello all. Can anyone suggest why my NixOS system is periodically killing processes with an 'out of memory' status, like this:

Oct 02 10:52:15 pmwhome kernel: Out of memory: Killed process 3118 (dbus-daemon) total-vm:5420kB, anon-rss:0kB, file-rss:2348kB, shmem-rss:0kB, UID:1000 pgtables:48kB oom_score_adj:200
Oct 04 22:55:19 pmwhome kernel: Out of memory: Killed process 2355 (dbus-daemon) total-vm:5420kB, anon-rss:0kB, file-rss:1416kB, shmem-rss:0kB, UID:1000 pgtables:48kB oom_score_adj:200
Oct 05 08:01:44 home kernel: Out of memory: Killed process 2216 (systemd) total-vm:20340kB, anon-rss:0kB, file-rss:1896kB, shmem-rss:0kB, UID:1000 pgtables:80kB oom_score_adj:100

Meanwhile, I have a huge amount of memory:

$ free -m
               total        used        free      shared  buff/cache   available
Mem:           64048        3573       18849          10       41626       59752
Swap:         953851        1525      952326
15:33:47
@philip4g:matrix.orgPhilip *

Hello all. Can anyone suggest why my NixOS system is periodically killing processes with an 'out of memory' status, like this:

Oct 02 10:52:15 home kernel: Out of memory: Killed process 3118 (dbus-daemon) total-vm:5420kB, anon-rss:0kB, file-rss:2348kB, shmem-rss:0kB, UID:1000 pgtables:48kB oom_score_adj:200
Oct 04 22:55:19 home kernel: Out of memory: Killed process 2355 (dbus-daemon) total-vm:5420kB, anon-rss:0kB, file-rss:1416kB, shmem-rss:0kB, UID:1000 pgtables:48kB oom_score_adj:200
Oct 05 08:01:44 home kernel: Out of memory: Killed process 2216 (systemd) total-vm:20340kB, anon-rss:0kB, file-rss:1896kB, shmem-rss:0kB, UID:1000 pgtables:80kB oom_score_adj:100

Meanwhile, I have a huge amount of memory:

$ free -m
               total        used        free      shared  buff/cache   available
Mem:           64048        3573       18849          10       41626       59752
Swap:         953851        1525      952326
15:34:05
@k900:0upti.meK900Well presumably you don't have memory at the time 15:35:11
@k900:0upti.meK900Also, swap doesn't really count 15:35:19
@philip4g:matrix.orgPhilipThe kernel would consider it out of memory without using swap? Or what do you mean by doesn't count?15:39:23
@k900:0upti.meK900The kernel would consider it an out of memory condition if it can't find a page to swap out 15:41:05
@k900:0upti.meK900Which is why you can't just throw swap at your OOM problems and expect them to go away 15:42:23
@elvishjerricco:matrix.orgElvishJerricco Philip: Huh, that's extremely odd; @rosscomputerguy:matrix.org was having a very similar issue in #users:nixos.org the other day 15:43:30
@elvishjerricco:matrix.orgElvishJerriccoOOMs on processes that weren't using much memory when the total used wasn't very high15:43:46
@elvishjerricco:matrix.orgElvishJerriccoI think they found out it was some kernel tuning they had done that was the problem. But maybe that was wrong and the problem is somewhere in nixos?15:44:44
@elvishjerricco:matrix.orgElvishJerricco (also, that is an unbelievable amount of swap. Absolutely a waste lol) 15:47:56
@philip4g:matrix.orgPhilip
In reply to @elvishjerricco:matrix.org
(also, that is an unbelievable amount of swap. Absolutely a waste lol)
Yes, totally obscene... I have a 1 TB NVMe drive that I am not using for anything right now, so I thought I'd dedicate it to swap. But that'll be the first to go when I need more storage. 		17:24:41
@theelevated:matrix.orgtheelevatedI need to duplicate the same system over 30 school laptops with the same setup and settings everywhere. Would nixos be feaseable also considering every laptop need to be a little unique with hostname? 21:43:56
@scrumplex:duckhub.ioScrumplex
In reply to @theelevated:matrix.org
I need to duplicate the same system over 30 school laptops with the same setup and settings everywhere. Would nixos be feaseable also considering every laptop need to be a little unique with hostname?

I think it could be a great option here.

Basically you could configure everything once and then just set different hostnames for different machines in separate configurations. You could then generate small disk images that you can then dd onto the drives while using the option boot.growPartition to expand the rootfs to the remaining size.

21:51:51
@theelevated:matrix.orgtheelevated
In reply to @scrumplex:duckhub.io

I think it could be a great option here.

Basically you could configure everything once and then just set different hostnames for different machines in separate configurations. You could then generate small disk images that you can then dd onto the drives while using the option boot.growPartition to expand the rootfs to the remaining size.

does nix also shell bin commands? if I need want to have a elevated listener for a root ssh session and in the global file. 		21:53:56
@theelevated:matrix.orgtheelevated
In reply to @scrumplex:duckhub.io

I think it could be a great option here.

Basically you could configure everything once and then just set different hostnames for different machines in separate configurations. You could then generate small disk images that you can then dd onto the drives while using the option boot.growPartition to expand the rootfs to the remaining size.

* does nix also shell bin commands? if I need want to have a elevated listener for a root ssh session in the global file. 		21:54:12
@magic_rb:matrix.redalder.orgmagic_rb changed their profile picture.22:16:52

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