Linux Labs· Networking and Secure AdministrationLab 26 of 37

Configure and Operate an SSH Server

Set up remote administration on server1 for a new trainee: tighten the daemon, validate before reloading, and verify the server's identity from the client the way a careful admin does on first contact.

  • Intermediate
  • 35 min
  • Not rated yet
  • Free

Free with a free account — it runs in your browser, nothing to install.

  • A real environment in your browser
  • You run the commands yourself
  • Your result is checked automatically

In this moduleNetworking and Secure Administration

  1. Inspect IPv4, IPv6, Routes, and Sockets30 min
  2. Persistent NetworkManager Configuration35 min
  3. DNS Client Resolution and Lookup Troubleshooting35 min
  4. firewalld Zones and Least-Privilege Access35 min
  5. Configure and Operate an SSH ServerYou are here
  6. SSH Keys and Access Hardening35 min
  7. SFTP and Verified File Synchronization35 min
  8. Bastion Access and Restricted SSH Forwarding40 min