How to Move a Remote Server Between Tailnets (Without Losing SSH Access)
Moving a remote machine between two Tailscale networks (tailnets) is a high-stakes operation. Because Tailscale is a single-session service, logging out usually means cutting the very branch you’re sitting on.
If you’re restructuring your organization or—as in our case—migrating because an old admin left the building, here is how to perform the “Hot Swap” without getting locked out.
The Problem: The “Suicide” Command
Normally, if you SSH into a machine via Tailscale and run tailscale logout, your connection dies instantly. You can’t run the subsequent tailscale up command because you no longer have a route to the box. You’ve just effectively bricked your remote access.
