Stop Tailscale:
`sudo tailscale down`
`sudo systemctl stop tailscaled`
`sudo systemctl disable tailscaled`
Uninstall the package:
Debian/Ubuntu: `sudo apt remove –purge tailscale`
Fedora/RHEL/CentOS: `sudo dnf remove tailscale` or `sudo yum remove tailscale`
Arch: `sudo pacman -Rns tailscale`
openSUSE: `sudo zypper remove tailscale`
Remove leftover files:
`sudo rm -rf /var/lib/tailscale`
`sudo rm -rf /etc/tailscale`
`sudo rm -f /usr/bin/tailscale /usr/sbin/tailscaled`
Remove systemd units if present:
`sudo rm -f /etc/systemd/system/tailscaled.service`
`sudo rm -f /lib/systemd/system/tailscaled.service`
`sudo systemctl daemon-reload`
Remove network changes if needed:
`sudo ip link delete tailscale0`
Remove DNS/resolver changes if needed:
`sudo rm -f /etc/resolv.conf`
Verify removal:
`which tailscale`
`systemctl status tailscaled`