SEC.01

The playbook

The run starts read-only: the recon probes decide what happens next. The steps that follow are adapted to the distribution and state found — a real machine is rarely clean.

  1. 01reconTailscale already installed?
  2. 02recondaemon active? already connected to a tailnet (then verify and skip)?
  3. 03recon/dev/net/tun present (missing in some LXC containers)
  4. 04reconcurrent default route and resolver (must stay identical)
  5. 05recondistro and version
  6. 06actDownload the official installerverify
  7. 07actInstall Tailscaleverify
  8. 08actConnect (auth key if provided, otherwise login link)verify

SEC.02

What it verifies

Each step ships its own check. The run only moves on when the check passes, so what the recipe reports as done is what is actually on the server.

  1. 01Download the official installerVerified byhead -1 /tmp/tailscale-install.sh
  2. 02Install TailscaleVerified bytailscale version | head -1 && systemctl is-active tailscaled
  3. 03Connect (auth key if provided, otherwise login link)Verified bytailscale ip -4 && ip -4 route show default

SEC.03

Guardrails

Non-negotiable instructions the run must respect, whatever it finds on the server.

Never break the server connectivity: no change to the default route, /etc/resolv.conf or the rules that let the Servor agent and the SSH session out. Compare the default route and DNS resolution before/after. Never --exit-node, --accept-routes, --ssh or --reset without an explicit request; keep --accept-dns=false. Do not re-run tailscale up, nor tailscale down/logout, on a node already connected. The auth key is a secret: do not display it.

SEC.04

Variables

What you choose before launching — the recipe fills in the rest.

NameMeaning
${authkey}Auth key (tskey-…)

SEC.05

How a recipe runs in Servor

Servor is zero-knowledge: the platform cannot execute anything on its own. When you launch this recipe, a run reads the reconnaissance, plans the steps and asks for your approval. Each approved command is signed by your browser — with a key the server never sees — then relayed verbatim to the agent, which verifies the signature locally before executing.

recipe — fail2ban_setup150+ in catalogue
security4 steps · low risk · idempotentrun
reconsshd present? ufw active? existing jails?✓
actinstall fail2ban · write default jails✓
actenable service · restart sshd (safe)✓
verifytest ban 60s · jails active · sshd alive✓

search by intent — type “firewall”, get ufw

  • 01Read-only reconnaissance before any change
  • 02Every command signed by your browser, approved by you
  • 03Each step verified before the run moves on, every run kept in the history

SEC.06

Deploy on Servor button

Maintain Tailscale or a project that needs it? Put this button in your README or on your site: one click and your users install it on their own server.

Deploy on ServorDark background
Deploy on ServorLight background
[![Deploy on Servor](https://servor.app/badges/deploy-on-servor.svg)](https://servor.app/deploy/install-tailscale)

SEC.07

Verified recipe

Run this recipe on your server

Connect a server, launch the recipe, and approve each step as Servor executes and verifies it. Free plan, no card required.