🖧Linux Server Administration

Understand what a VPS is, choose the right operating system, connect with SSH and do the first setup steps on a new server.

Create admin users, understand Linux file permissions, log in with SSH keys and lock out attackers with fail2ban.

Install and remove software with apt, control services with systemctl, read logs with journalctl and manage running processes.

Check IP addresses and open ports, test connections with ping, curl and dig, and protect the server with the UFW firewall.

Install Nginx, host several websites with server blocks, run PHP with PHP-FPM and add free HTTPS with Let's Encrypt.

Install and secure MySQL or MariaDB, create databases and users with the right privileges, and back up and restore with mysqldump.

Understand DNS records and propagation, the basics of email authentication with SPF, DKIM and DMARC, and when to use a hosting panel.

Check disk, memory and load, read logs, schedule jobs with cron, build reliable rsync backups and fix the most common server problems.

A timed test covering the whole course. Pass it to complete the course and earn your certificate.