#nixos-chat on 2019-11-19

2018-10-11 19:40 gchristensen changed the topic of #nixos-chat to: NixOS but much less topical || https://logs.nix.samueldr.com/nixos-chat

00:01 <samueldr> (as expected) it wasn't as easy as just letting the scripts run to forward port a misc. android kernel to the more recent kernel release

00:02 <samueldr> looks like I'll have to think

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00:14 <drakonis> pie__: yeah

00:15 <drakonis> except the error prompt doesnt print the necesswry password to unlock the system

00:15 <drakonis> so i cant take it away

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00:21 <pie__> drakonis: i dont follow

00:23 <drakonis1> i've found a tool that reverse engineered the passwords that bios software print on screen after a couple wrong passwords

00:23 <drakonis1> my laptop does not print these for some reason

00:23 <__monty__> You'd need a tool specific to your bios.

00:24 <drakonis1> it does generate codes for the one i need

00:24 <drakonis1> i could risk it and reset the config hash on the cmos

00:26 <pie__> the tool i used back i the day you just ran in windowsor whateverandit gave you the password

00:26 <drakonis1> hmm, neat.

00:26 <pie__> are you sure its a bios password and not that they gave you someone else's disk that used FDE? :P

00:27 <drakonis1> https://twitter.com/valvesoftware/status/1196566870360387584

00:27 <drakonis1> oh no

00:27 <drakonis1> its a bios password yes

00:27 <pie__> (im joking im assuming it is indeed the bios password)

00:27 <drakonis1> i need to enter the bios and it wants a password

00:27 <drakonis1> the monkey paw curls

00:27 <pie__> it might have been https://www.cgsecurity.org/wiki/CmosPwd

00:30 <drakonis1> i don't think it'll work with my laptop

00:31 <drakonis1> its newer than this

00:31 <drakonis1> mine isnt even in the list

00:31 <drakonis1> 2007 lol

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01:17 <aleph-> Welp my mail server is suddenly working

01:17 <aleph-> drakonis1: Can you reset a jumper maybe?

01:18 <drakonis1> i'll try extreme measures if the folks where i sent my computer dont give me the password

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01:31 <drakonis1> hmm, in other matters, i have found a pretty good game, but its in java

01:32 <drakonis1> and it comes with java 7 bundled

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01:34 <drakonis_> starsector

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04:04 <clever> samueldr: and bisect says worldofpeace is now responsible for 2 build failures on my machine! lol

04:04 <clever> oh, but he only merge the 2nd failure, he didnt create the pr

04:04 <clever> dtz: paging dtz!

04:05 <clever> https://github.com/NixOS/nixpkgs/pull/68735

04:05 <{^_^}> #68735 (by dtzWill, 9 weeks ago, merged): pulseaudio: 12.2 -> 13.0

04:05 <clever> builder for '/nix/store/44cfiw34ffai8f4l0828h5ldlz0g9rs0-qtwebengine-5.9.7.drv' failed with exit code 1; last 10 log lines:

04:05 <clever> applying patch /nix/store/v43m6ldid8561n9q5zxa5rw97jhb6d35-fix-build-with-pulseaudio-13.0.patch

04:05 <clever> Hunk #1 FAILED at 162.

04:28 <aleph-> Hmm, has anyone gotten home-assistant with zha working on nixOS?

04:28 <aleph-> Might have to package this myself. Meh

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10:36 <__monty__> Hmm, bizarre. A specific google search (well two similar ones) are making the site unusable for me : s

10:57 <eyJhb> Which ones?

11:01 <__monty__> "the innovators" and "the innovators isaacson".

11:02 <__monty__> The first one there's an overlay over most of the page in grey. The second there's a random footer in the middle.

11:05 <__monty__> https://imgur.com/a/GelHlOm

11:13 <__monty__> This makes it so none of the results are clickable.

11:13 <__monty__> Doesn't happen for other searches.

11:24 <__monty__> Ok, now it's more like every other search >.<

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12:09 <ar> https://twitter.com/pdjstone/status/1194330562229669889

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14:15 <pie__> i feel like we might need better GC locks for running applications or something

14:15 <gchristensen> what for?

14:15 <pie__> my plasma crashed and now theres QML errors all over the place somehow

14:15 <pie__> wait that doesnt make sense

14:16 <gchristensen> running applications and their dependencies are automatically protected from GC

14:16 <pie__> those should be dependencies of plasma or something so they should be protected by that

14:16 <pie__> yeah idk what happened

14:17 <pie__> weird. the file its complaining about exists and has read perms

14:18 <pie__> ah

14:18 <pie__> loading error

14:18 <pie__> module org.kde.kirigami is not installed

14:18 <pie__> no idea whats up with that though

14:18 <pie__> maybe something broke in the env vars

14:19 <pie__> as usual

14:19 <gchristensen> as usual?

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15:30 <steveeJ> is anyone who's working with NixOS in their job and with customers up for a chat some time? I'm really curious to have a conversation with someone in the field

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15:58 <__monty__> Sounds like an interesting conversation for out in the open.

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17:14 <samueldr> oh no https://blog.teddykatz.com/2019/11/12/github-actions-dos.html oh lol

17:15 <gchristensen> lol.

17:32 <__monty__> That's an exceedingly silly issue.

17:37 <clever> yep, lol

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18:29 <__red__> I'm going to go review some PRs. Going to try and increase my karma in the hope that it gets my PR further up the list ;-)

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19:27 <steveeJ> __monty__: I'm happy to share the hangouts (or whatever) link whenever it's happening ;-)

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19:57 <ashkitten> ughhhhh why does ovh have to cost $30 more than kimsufi

19:57 <ashkitten> i just want ipmi

19:57 <ashkitten> that's it

19:59 <samueldr> I think you answered your question

19:59 <samueldr> :)

19:59 <samueldr> segmenting the feature set

20:00 <samueldr> users will pay more for IPMI

20:00 <ashkitten> sigh

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20:02 <ashkitten> the kimsufi machine is already overkill for my purposes but the ovh machine is a newer cpu even

20:03 <ashkitten> can they just give me like, a 4 core cpu from 2009 but with ipmi

20:04 <ashkitten> just so i don't have to boot a rescue image and use qemu to debug

20:05 <samueldr> that would be too useful :)

20:05 <samueldr> sorry for the snark, I share the same pain

20:06 <ashkitten> for that matter, can qemu have an output mode where it takes control of the current tty and does io on that

20:06 <ashkitten> the setup i have to do involves using socat to create a pair of serial devices and connect qemu to one and screen to the other

20:07 <ashkitten> the documentation for all of this stuff is very bad

20:07 <ashkitten> especially socat

20:08 <ashkitten> iirc screen doesn't even document its ability to attach to a serial console device?

20:08 <samueldr> hmmm... I thought the default was to have serial be on the console qemu was running on?

20:08 <ashkitten> no

20:08 <samueldr> unless I misunderstood your question

20:08 <Church-> Hmm, is there a good way to run certbot on nixOS?

20:08 <ashkitten> qemu runs headless by default (or with a graphical window)

20:09 <ashkitten> serial can be redirected to stdout but that's output only and doesn't work properly

20:09 <samueldr> -serial's default is `vc in graphical mode, stdio in non graphical mode`

20:10 <ashkitten> it doesn't work properly

20:10 <Church-> Hmm, seems there's no cloudflare dns plugin for certbot.

20:10 <samueldr> weird, I know I used that at different moments

20:10 <samueldr> OH

20:10 <samueldr> if you ^C it exits qemu, right ashkitten?

20:10 <ashkitten> because it's also outputting its logs and garbage on stdout

20:10 <ashkitten> probably

20:10 <Church-> And not sure I can do that with acme.sh on nixOS.

20:10 <ashkitten> idk

20:11 <ashkitten> why can't qemu just open a serial device node on the filesystem so i don't need socat

20:11 <ashkitten> thank's

20:11 <samueldr> -serial "mon:stdio"

20:11 <samueldr> it's different from both defaults, and in my use case it helped

20:11 <samueldr> though not sure if yours will have other differences

20:11 <ashkitten> i'll try it

20:12 <samueldr> it correctly handles ^C, at the very least

20:12 <Church-> Ah I can. Okay neat, time to set this up.

20:12 <samueldr> so I stopped killing the VM at the first mistake in my line

20:13 <samueldr> in `man qemu`, search for mon:dev_string for details about what it means

20:13 <samueldr> ^A then c will open the qemu monitor

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20:17 <ashkitten> samueldr: if you boot into grub with serial output in qemu non-graphically, does it show properly in the same terminal?

20:17 <ashkitten> and work

20:18 <Church-> Alright guess I need to run acme/certbot in docker. Sigh

20:21 <__red__> alas with no Office Hours I was unable to ask my question :-P

20:21 <__red__> Why is that Church- ?

20:22 <__red__> oh - cloudflare - nm

20:22 <__red__> I know nothing of that isue

20:22 <__red__> iSSue

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20:34 <samueldr> ashkitten: not sure that it does by default

20:34 <samueldr> ashkitten: but it definitely can

20:34 <ashkitten> cool

20:34 <ashkitten> will experiment

20:35 <samueldr> ashkitten: https://gitlab.com/samueldr/nixos-configuration/blob/master/machines/duffman/amt.nix#L27-35

20:35 <samueldr> that's what I had to do for GRUB to show up in both graphical and serial over AMT

20:35 <samueldr> your serial port will likely differ

20:35 <ashkitten> yep

20:37 <samueldr> as for the iso image

20:37 <samueldr> https://github.com/NixOS/nixpkgs/blob/1b53f78ef55600da9883e3ccbf06ea5bc3473587/nixos/modules/installer/cd-dvd/iso-image.nix#L260-L266

20:37 <samueldr> this uses the defaults

20:37 <samueldr> (which I believe are right for qemu)

20:37 <samueldr> with_serial ends up used here

20:37 <samueldr> https://github.com/NixOS/nixpkgs/blob/1b53f78ef55600da9883e3ccbf06ea5bc3473587/nixos/modules/installer/cd-dvd/iso-image.nix#L187-L193

20:37 <samueldr> that's because grub is quite dumb

20:37 <samueldr> and that's an extremely noisy error to enable serial if you can't do serial

20:38 <samueldr> so you end up needing to implement the conditional enable logic in their grub cfg shell~ish script :(

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22:55 <eyJhb> God damn it

22:55 <eyJhb> I might not get the sleep that I could now

23:09 <infinisil> Well damn, I just found a pretty amazing bug in my program that kind of messed with the plots in my thesis

23:11 <infinisil> The gist of it is: I have multiple components that need deterministic randomness, so I'm using a random seed for all of them

23:11 <infinisil> And the components interact with each other afterwards. So e.g. one components generates a graph with a root node, another components hammers on the graph nodes in a specific sequence

23:12 <infinisil> Now what might cause the first node in the sequence to always be the same exact node that's the root of the graph..?

23:12 <infinisil> Of course, I'm using the same random seed! The same initial number gets used for both the first node in the sequence and the root of the graph!

23:13 <infinisil> So now I'm using `seed` in the first component, `seed + 1` in the second, and so forth

23:14 <infinisil> I guess if I were using Haskell's RandomGen's I could've used https://hackage.haskell.org/package/random-1.1/docs/System-Random.html#v:split

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23:27 <pie__> NixOS Business Edition https://github.com/NixOS/nixpkgs/pull/72385

23:27 <{^_^}> #72385 (by choas, 2 weeks ago, open): sapmachine: init at 13.0.1

23:27 <pie__> BixOS

23:28 <pie__> also ugh,

23:28 <pie__> > go to bed early

23:28 <{^_^}> undefined variable 'to' at (string):271:4

23:28 <pie__> > wake up at midnight

23:28 <{^_^}> undefined variable 'wake' at (string):271:1

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