Update cheatsheets

tailscale-ssh

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# tailscale ssh
+
+> SSH to a Tailscale machine (Linux Only).
+> More information: <https://tailscale.com/kb/1193/tailscale-ssh>.
+
+- Advertise/Disable SSH on the host:
+
+`sudo tailscale up --ssh={{true|false}}`
+
+- SSH to a specific host which has Tailscale-SSH enabled:
+
+`tailscale ssh {{username}}@{{host}}`