!tCyGickeVqkHsYjWnh:nixos.org

NixOS Networking

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Declaratively manage your switching, routing, wireless, tunneling and more. | Don't rely on `networking.*` use systemd-networkd and NetworkManager instead. | Set `SYSTEMD_LOG_LEVEL=debug` to debug networking issues with networkd | No bad nft puns, please. | Room recommendations: #sysops:nixos.org245 Servers

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2 Jul 2025
@shx228:matrix.orgshx228 set a profile picture.01:50:06
@blocklisted:matrix.orgblocklisted joined the room.14:48:26
@magic_rb:matrix.redalder.orgmagic_rb
In reply to @zhaofeng:zhaofeng.li
this is probably doable, but I kind of miss the visualization netbox gives me
What id do is have it all in nix, rhen rely on nix-topology or similar for visualization
21:24:37
@zhaofeng:zhaofeng.liZhaofeng Liyeah, I might consider it, but there's just a bunch of abstractions that I've need to build (mostly wrangling with CIDRs)21:40:44
@zhaofeng:zhaofeng.liZhaofeng Liby the way, migrated everything over to babel from OSPF and it's actually working quite well21:41:22
@magic_rb:matrix.redalder.orgmagic_rb
In reply to @zhaofeng:zhaofeng.li
yeah, I might consider it, but there's just a bunch of abstractions that I've need to build (mostly wrangling with CIDRs)
Makes me wish we had bitshifts in nix
21:44:58
@zhaofeng:zhaofeng.liZhaofeng Li* yeah, I might consider it, but there's just a bunch of abstractions that I'll need to build (mostly wrangling with CIDRs)21:45:22
3 Jul 2025
@ctheune:matrix.flyingcircus.ioChristian Theune hexa (clat on linux when): i'm debugging some scalability issues with the ACME unit structure we're having. after a couple of interesting bits I now face https://github.com/NixOS/nixpkgs/pull/81371#issuecomment-605526099 and would like to consider alternatives to adding the renew services to multi-user.target. Specifically, you mention that you'd like changes to be applied, however, in our situation this always causes service restarts and massive (local) lego calls that add up in unfortunate ways - even if nothing has changed. aside from bolting on an option whether to do this or not, I'm wondering whether we can change it in a way that will leverage the regular "this service has changed, lets restart it". I'm currently playing around with remainafter exit, but that causes other things to explode. It's a bit of a minefield ... I'm available to chat basically the whole day if you'd like to give some input on this ... 05:09:22
@emma:rory.gayEmma [it/its]this might be offtopic for here, but what's the mostefficient way to mount a remote filesystem?09:56:50
@emma:rory.gayEmma [it/its]currently using sshfs and its slow as molasses (and doesnt keep its parallel connections alive it seems)09:57:11
@k900:0upti.meK900NFSv4 is decently fast09:58:18
@emma:rory.gayEmma [it/its](latency is probably the biggest blocker here)09:58:20
@emma:rory.gayEmma [it/its]does it support clientside caching?10:01:28
@k900:0upti.meK900Yeah10:02:32
@emma:rory.gayEmma [it/its]ooh neat, guess ill still be dealing with running a few recursion commands to preload data, but sounds like it might be less painfully slow than sshfs10:03:11
@emma:rory.gayEmma [it/its] okay, so if i undertand it right, the format of /etc/exports is like this, right?
/path/to/exported/dir client_ip(flags)?
10:11:31
@k900:0upti.meK900Don't we have properly shaped options for that10:12:25
@emma:rory.gayEmma [it/its]the server isnt on nixos ^^'10:12:34
@k900:0upti.meK900Oh10:12:38
@k900:0upti.meK900Then yeah something like that10:12:52
@emma:rory.gayEmma [it/its]alright, thanks <310:13:03
@emma:rory.gayEmma [it/its] mount: /mnt: fsconfig() failed: NFS: mount program didn't pass remote address., not sure what im doing wrong 10:21:51
@emma:rory.gayEmma [it/its] here's the command im trying: sudo mount full-server-dns-name:/exported/path /mnt 10:22:27
@emma:rory.gayEmma [it/its] using mount.nfs4 however just seems to hang 10:30:26
@k900:0upti.meK900 Firewall? 10:31:02
@emma:rory.gayEmma [it/its]already forwarded the port on the server end10:31:14
@emma:rory.gayEmma [it/its]at least assuming i didnt fail horribly at reading the docs... TCP/204910:31:46
@emma:rory.gayEmma [it/its]oh, didnt start the nfs4-server service... i completely missed that given you need to run a separate command to update the exports list10:33:00
@emma:rory.gayEmma [it/its]argh, kernel compile time, turns out the server's kernel doesnt have nsfd10:33:58
@k900:0upti.meK900Maybe also try ksmbd10:34:33

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