this post was submitted on 16 Nov 2024
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Proxmox

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Proxmox VE is a complete, open-source server management platform for enterprise virtualization. It tightly integrates the KVM hypervisor and Linux Containers (LXC), software-defined storage and networking functionality, on a single platform. With the integrated web-based user interface you can manage VMs and containers, high availability for clusters, or the integrated disaster recovery tools with ease.

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How to install Tailscale in a Proxmox 8.2 LXC Container (lemm.ee)
submitted 2 days ago by daco@lemm.ee to c/proxmox@lemmy.world
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I recently needed to set up Tailscale in an AlmaLinux 9 LXC container running on my Proxmox 8.2 server. Following the official instructions from Tailscale's RHEL 9 guide and even trying their Linux install script, I ran into some issues. The main problem turned out to be missing TUN device support in the LXC container.

I had to edit the LXC container configuration on the Proxmox host:

nano /etc/pve/lxc/<container-id>.conf

And add these lines:

lxc.cgroup2.devices.allow: c 10:200 rwm

lxc.mount.entry: /dev/net/tun dev/net/tun none bind,create=file

Here is the article in case is useful for someone else.

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