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mkdocs/docs/adv/ansible.md

@@ -69,6 +69,22 @@ sudo systemctl start ssh
 sudo systemctl status ssh
 ```
 
+**Note**: If you get "Unit ssh.service could not be found", you need to install the SSH server first:
+
+```bash
+# Install OpenSSH server
+sudo apt install openssh-server
+
+# Then start and enable SSH
+sudo systemctl start ssh
+sudo systemctl enable ssh
+
+# Verify SSH is running and listening
+sudo ss -tlnp | grep :22
+```
+
+You should see SSH listening on port 22.
+
 ### 2. Configure SSH Key Authentication
 
 ```bash