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@ -1,7 +1,7 @@ |
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--- |
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title: "NixOS inside LXC on Proxmox" |
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summary: "A guide on creating NixOS LXC containers inside of proxmox" |
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date: 2021-02-23T13:27:48+01:00 |
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lastmod: 2021-11-13T16:48:42+01:00 |
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draft: false |
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keywords: |
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- LXC |
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@ -15,7 +15,7 @@ categories: |
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- Homelab |
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--- |
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This tutorial will explain how to install NixOS as an LXC container inside of proxmox. |
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This guide will explain how to install NixOS as an LXC container inside of proxmox. |
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Do be warned that this setup isn't extensively tested for stability or officially supported. |
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# Getting the container tarball |
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@ -29,30 +29,32 @@ mv nixos-system-x86_64-linux.tar.xz nixos-$RELEASE-default_$BUILDID_amd64.tar.xz |
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``` |
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## Uploading to proxmox |
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Uploading it to proxmox is quite easy just go to your storage, |
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Uploading it to proxmox is quite easy: just go to your storage, |
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most likely called "local" then to "CT Templates" and click on upload and upload the tarball. |
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{{< webm path="webm/upload-nixos-container.webm" >}} |
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# Creating the container |
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To create the container on proxmox we need to either `ssh` into it or use the web shell. |
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After in a shell on the proxmox host execute the following command. But, make sure you understand what the options |
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After in a shell on the proxmox host execute the following command. However, make sure you understand what the options |
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do before executing it. You can see the [proxmox docs][proxmox-lxc] if you are unsure. |
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```sh |
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pct create $(nextid) \ |
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pct create $(pvesh get /cluster/nextid) \ |
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--arch amd64 \ |
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--description nixos-template \ |
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local:vztmpl/nixos-$RELEASE-default_$BUILDID_amd64.tar.xz \ |
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--ostype unmanaged \ |
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--net0 name=eth0 \ |
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--storage local-lvm \ |
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--storage local-zfs \ |
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--unprivileged 1 |
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``` |
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after running this the container should show up in the Proxmox Web UI. |
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## Fix LXC config |
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> This step is only necessary if you are using nix older than 21.11, if using a newer version feel free to skip |
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After creating the container we need to make a simple edit to the lxc config file located in `/etc/pve/lxc/$ID.conf`, |
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`$ID` being the ID you passed in the previous step, if unsure you can check the web UI. |
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@ -94,7 +96,7 @@ Finally we need to add a small tweak inside of `/etc/nixos/configuration.nix`. W |
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supress some systemds unit as they will otherwise error upon |
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every invocation of `nixos-rebuild switch` which can be annoying. |
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```nix |
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# Supress sys-kernel-debug |
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# Supress systemd units that don't work because of LXC |
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systemd.suppressedSystemUnits = [ |
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"dev-mqueue.mount" |
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"sys-kernel-debug.mount" |
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@ -117,7 +119,7 @@ This guide is based heavily on the resources below |
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* [NixOS issue 2 on LXC][nixos-issue-2] |
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* [Nix Generate issue on LXC][nix-generate-issue] |
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[nixos-tar]: https://hydra.nixos.org/job/nixos/release-20.09/nixos.containerTarball.x86_64-linux |
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[nixos-tar]: https://hydra.nixos.org/job/nixos/trunk-combined/nixos.containerTarball.x86_64-linux |
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[nixos-lxc]: https://nixos.wiki/wiki/Proxmox_Linux_Container |
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[proxmox-lxc]: https://pve.proxmox.com/wiki/Linux_Container |
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[nixos-issue-1]: https://github.com/NixOS/nixpkgs/issues/9735 |
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