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NixOS System Operations

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About system administration for running NixOS systems in production. Declaratively manage your operations. | Room recommendations: #networking:nixos.org163 Servers

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28 May 2024
@k900:0upti.meK900 ⚡️It's not worth the trouble18:05:39
@rvdp:infosec.exchangeRamses 🇵🇸Unless you do it for educational purposes, I agree18:06:14
@netpleb:matrix.org@netpleb:matrix.org
In reply to @k900:0upti.me
If you can get physical access to the machine
Yeah, but this is practice for when such physical access is too much of a pain.
18:06:32
@k900:0upti.meK900 ⚡️Uhh18:06:41
@k900:0upti.meK900 ⚡️If you actually have a production system you have to attempt this on18:06:53
@k900:0upti.meK900 ⚡️You have a MUCH bigger problem18:06:57
@k900:0upti.meK900 ⚡️ btrfs convert is something you do as a joke 18:07:15
@k900:0upti.meK900 ⚡️Not something you do to systems you care about18:07:24
@netpleb:matrix.org@netpleb:matrix.org
In reply to @k900:0upti.me
If you actually have a production system you have to attempt this on
Sorry, I should have clarified. It is "in production" but even the production instance is just mostly for education purposes. If I mess it up I will only be mad at myself (and nobody else will be mad at me).
18:08:46
@k900:0upti.meK900 ⚡️What I'm saying is, this is not a thing you should be practicing18:09:01
@k900:0upti.meK900 ⚡️If anything, the thing you should be practicing is never getting into a situation where you need to do this18:09:18
@netpleb:matrix.org@netpleb:matrix.org
In reply to @k900:0upti.me
What I'm saying is, this is not a thing you should be practicing
Yeah, you are probably right. Maybe better for me to figure out how to more automate a reinstall which uses btrfs and disko instead.
18:10:05
@k900:0upti.meK900 ⚡️What you're saying right now is "I'm going to practice building a campfire while being attacked by 30-50 feral hogs"18:10:20
@k900:0upti.meK900 ⚡️Like18:10:24
@k900:0upti.meK900 ⚡️Your problem isn't the campfire18:10:27
@k900:0upti.meK900 ⚡️If you're in that situation18:10:32
@k900:0upti.meK900 ⚡️You can probably figure out a campfire if you get rid of the feral hogs18:10:47
@netpleb:matrix.org@netpleb:matrix.org
In reply to @k900:0upti.me
What you're saying right now is "I'm going to practice building a campfire while being attacked by 30-50 feral hogs"
ha, I almost did refer to it as "trial by fire" in my earlier description -- should have ;)
18:10:58
@netpleb:matrix.org@netpleb:matrix.org
In reply to @k900:0upti.me
What you're saying right now is "I'm going to practice building a campfire while being attacked by 30-50 feral hogs"
* ha, I almost did refer to it as "trial by fire" in my earlier description -- should have
18:11:23
@netpleb:matrix.org@netpleb:matrix.org
In reply to @rvdp:infosec.exchange
If you're comfortable with kexec'ing into an image in memory, then it's doable. If you've never done that before, then I'd make sure that you're able to get to the machine in case you mess up
do you have a good reference for how I might do the kexec'ing into an image in memory part? I am trying to understand how that is different than the "unmount root without reboot" link above. Will kexecing into an image possibly give me the full effect of as if I had booted into a live thumbdrive?
18:24:57
@netpleb:matrix.org@netpleb:matrix.org
In reply to @rvdp:infosec.exchange
If you're comfortable with kexec'ing into an image in memory, then it's doable. If you've never done that before, then I'd make sure that you're able to get to the machine in case you mess up
* do you have a good reference for how I might do the kexec'ing into an image in memory part? I am trying to understand how that is different than the "unmount root without reboot" link above. Will kexecing into an image possibly give me the full effect of as if I had booted into a live thumbdrive? (edit: found this but have not tried it)
18:49:09
29 May 2024
@raitobezarius:matrix.orgraitobezarius changed their display name from raitobezarius to raitobezarius (DECT: 7248).17:10:12
31 May 2024
@birhaman:pub.solar@birhaman:pub.solar joined the room.16:30:12
3 Jun 2024
@amigdal:matrix.mit.eduArthur joined the room.00:36:29
@sahilkm:matrix.orgSahil joined the room.19:54:30
@sahilkm:matrix.orgSahilI don't know if this is the right place to ask but my nixos home server keeps shutting down and I cannot find a cause via systemctl 19:54:56
@k900:0upti.meK900 ⚡️Is it an x86 server?19:55:09
@sahilkm:matrix.orgSahilyes19:55:19
@k900:0upti.meK900 ⚡️Do you have anything in /sys/fs/pstore?19:56:16
@sahilkm:matrix.orgSahilempty dir, let me know if theres anything that you might need19:58:04

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