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update incus container internet connectivity
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@ -1,7 +1,7 @@
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---
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title: "Install Incus on Nixos"
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date: 2024-02-29T19:14:10+05:30
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lastmod: 2024-02-29T19:14:10+05:30
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lastmod: 2024-03-16T00:21:10+05:30
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draft: false;
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keywords: [incus, nixos]
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description: ""
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@ -73,7 +73,7 @@ networking.bridges = { incusbr0.interfaces = []; };
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```
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This is used to provide NAT'd internet to the guest. It is manipulated directly by incus, so no need to specify any bridged interfaces here.
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Add firewall rules to enable networking in the container
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<s>Add firewall rules to enable networking in the container
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```nix
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networking.firewall.extraCommands = ''
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iptables -A INPUT incusbr0 -j ACCEPT
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@ -82,8 +82,16 @@ networking.firewall.extraCommands = ''
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iptables -A OUTPUT -o incusbr0 -j ACCEPT
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'';
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```
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</s>
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Incus on NixOS dropped `iptables` support and recommends using `nftables`. Enable `nftables` and add `incusbr0` to trusted interfaces.
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```nix
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networking.nftables.enable = true;
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networking.firewall.trustedInterfaces = [ "incusbr0" ];
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```
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Enable lxcfs to use it
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```nix
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virtualisation.lxc.lxcfs.enable = true;
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```
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