Questions tagged [nixos]
NixOS is a Linux distribution that uses the Nix package manager.
29 questions
0 votes
0 answers
329 views
Nixos: Appending to /etc/bashrc
Is there a way to extend the basic /etc/bashrc of nixos? Without really knowing too much about nixos yet, I was trying this programs.bash = { loginShellInit = '' if [[ "$TERM" == "...
1 vote
1 answer
126 views
Can create and modify but not delete files on Time Machine SMB Share backed by SSHFS
I am using NixOS 24.11 and the path of the SMB share is an SSHFS mount point. The following configuration works, I can connect, create, modify, and delete files, but the share does not appear as a ...
0 votes
0 answers
79 views
Access to open ports inside a network-namespace
I have a network-namespace created by WireGuard and a tinyproxy defined as: age.identityPaths = [ "..." ]; age.secrets.protonvpn.file = ./protonvpn.age; networking.wireguard.interfaces....
0 votes
1 answer
912 views
Nginx serves all file types as MIME type: "text/html on NixOS
I'm attempting to get an open-source webapp called pterodactyl (which is primarily php-fpm) running under Nginx however all files (except json files) are being served with the MIME type "text/...
0 votes
1 answer
167 views
Why can I connect to the docker daemon with sudo, but not root?
Consider the following sequence of commands. When I try to connect to the docker daemon as a regular user, or root, I can't. When I use sudo (both as a regular user and root) I can. Why is this? [john@...
0 votes
1 answer
250 views
Difficulty setting up a cross-system docker network in NixOS
I've got a collection of docker services that run across multiple servers in a local physical stack. For reasons, I'm trying to keep the exposed ports as minimal and secured as possible (using ...
1 vote
1 answer
1k views
Can't connect to UDP service running in k3s and exposed via nodePort
I am trying to expose a UDP service (tftp) through a k3s nodePort but can't seem to connect. The TCP service work fine, but the UDP service doesn't seem to be exposed. The deployment lists the ports: ....
0 votes
1 answer
175 views
Linux server stops responding, no video output
I built a Linux server out of commodity hardware and every now and then it stops responding. I can't ssh in, my docker jobs don't respond, and when I plug in a monitor there is no video output until I ...
1 vote
2 answers
727 views
NixOS - Let's Encrypt certificate is not recognized by Traefik (works in Nginx)
I am trying to run a demo Node.js app on a subdomain using Traefik reverse proxy. I am generating the wildcard Let's Encrypt certificate with the security.acme option. When I import the certificate in ...
0 votes
1 answer
389 views
Start a nix-shell with only the current directory mounted (similar to a container)
I am looking for a way to launch a shell with specific packages installed within, but no unnecessary access to the rest of the system, i.e: Only the current directory (pwd) mounted, no access to ...
1 vote
2 answers
874 views
Systemd doesn't seem to respect After= dependency?
I have a PostgreSQL server (postgresql.service) and a basic shell script (mobilizon-postgresql.service that is run to provide some assertions on the database to a third service (Mobilizon). So ...
0 votes
1 answer
309 views
Migration from Nixops 1.7 to 2.0 and <deployment>.nix to nixops.nix
I try to migrate my nixops from version 1.7 to nixops_unstable 2.0.0-pre-7220cbd. After installing nixops_unstable I cannot work with the nixops command anymore: $ nixops deploy -d streaming Traceback ...
0 votes
1 answer
259 views
NixOS starting a daemon process example - is the example broken?
In the python flask example application given on https://nixos.org/guides/dev-environment.html ... Isn't it just killing the daemon process whether it passes the health check or not? Maybe there's ...
3 votes
1 answer
1k views
Why are Nix programs not able to resolve mDNS names when native programs are?
My native programs (on Fedora) are able to resolve mDNS / Avahi / zeroconf names, like so: $ ping felonyspork.local -c 1 PING felonyspork.local (192.168.88.169) 56(84) bytes of data. 64 bytes from ...
-1 votes
1 answer
212 views
Linux confused by identical mounts on different disks after attaching disk
We are having a weird problem when attaching an EBS volume to a running Linux (NixOS in this case) instance (for the purpose of growing the file system on that attached volume; on it is the NixOS root ...
2 votes
1 answer
1k views
How do I configure the hostname for the GitLab NixOS service?
I am trying to deploy a new GitLab instance on NixOS 20.09.1632.a6a3a368dda (Nightingale). I have this rather minimal configuration.nix: { modulesPath, ... }: let host = "example.org"; ...
1 vote
1 answer
2k views
Read files from remote repository using nixOs
I am building a project using the nixOs package system. I have a remote git repo containing different config files. I want to access those files using nix, with out editing the remote repo. The ...
1 vote
1 answer
4k views
`nixos-rebuild switch` fails with "No space left on device"
I keep filling up /boot with old kernels, at which point nixos-rebuild switch --upgrade will download a bunch of derivations only to eventually fail when installing the new kernel (or initrd) because ...
2 votes
0 answers
1k views
how should I proceed debugging NFS4+Kerberos?
I have a working NFS4 setup. The server is called bluebox.lan and it exports: /mnt bluescreen.lan(rw,no_root_squash,crossmnt) The client is called bluescreen.lan and it is able to mount bluebox's nfs ...
7 votes
2 answers
11k views
How should nftables rules using hostnames be rewritten to deal with multiple addresses?
I have this nftables rule: ip daddr { "0.nixos.pool.ntp.org", "1.nixos.pool.ntp.org", "2.nixos.pool.ntp.org", "3.nixos.pool.ntp.org" } udp dport ntp accept comment "Allow NTP traffic for system time" ...
1 vote
1 answer
3k views
getting ipv6 via radvd/dhcpd6 in an LXC guest working
what i want my setup has a dynamic amount of LXC containers and therefore i need some dynamic ipv6 address allocation. the interface brNC-internet is a simple bridge which is mapped into the LXC ...
6 votes
2 answers
3k views
Recover from `nixos-rebuild test` without a reboot
Is there a way to revert to the previous (or at least "current") configuration after nixos-rebuild test without rebooting? Per the nixos-rebuild manual: test Build and activate the new ...
4 votes
1 answer
8k views
how to execute a bash script in nixos
I am trying to create a .nix file that installs nvm First I tried to add inside configuration.nix : system.activationScripts = { dotfiles = pkgs.lib.stringAfters [ "users" ] '' curl ...
1 vote
0 answers
330 views
What caused automatic shutdown via systemd after failure
On a system with SystemD running NixOS running via qemu I have seen this log: Aug 09 01:01:43 myhost systemd[1]: Looping too fast. Throttling execution a little. Aug 09 01:02:01 myhost systemd[1]: ...
5 votes
2 answers
1k views
How do I set up a nix-shell script for lua?
I am trying to set up a nix-shell script which contains lua 5.2, the lua sockets library, and a few other libraries. However, when I load the shell, only Lua ends up being present. with import <...
0 votes
1 answer
416 views
How to install Postgis with Osm2pgsql on NixOS
When installing PostGIS on NixOS with an expression like services.postgresql.extraPlugins = [ (pkgs.postgis.override { postgresql = pkgs.postgresql94; }).v_2_1_4 ]; How to add other extensions like ...
4 votes
1 answer
4k views
Is there any way to output all configuration options in my configuration.nix?
I want to set up jetty on nixos. I can install it through system.systemPackages but I can't get it to autostart (services.jetty isn't defined) I don't want to ask every option here, so I want to know ...
1 vote
1 answer
5k views
How to get nixos configuration.nix to configure nginx?
In my configuration.nix, it says services.nginx.enable=true; services.nginx.httpConfig="a"; (I tried a normal file and empty string and neither worked) upon running nixos-rebuild switch, it says ...
3 votes
1 answer
876 views
NixOS reproducible users and packages?
I'm new to NixOS and trying to learn its concepts. One of the reasons I'm excited about it is I'm hoping it will be able to give me a reproducible system configuration, similar to using Ansible for ...