Linux administration

Welcome to the Linux administration course series on admindocs.de! This series is designed for beginners and advanced Linux system administrators seeking in-depth, practical guides for managing complex Linux server landscapes.

What makes this course series stand out?

• System & service management: Mastery of systemd, process control, logging and automation in server operations.
• Network configuration & security: Setting up interfaces, routing, firewalls (nftables/iptables), SSH hardening and certificates.
• Performance & troubleshooting: Systematic analysis of bottlenecks in CPU, memory, I/O and network resources.
• Enterprise operations: Best practices for reproducible, secure and highly available production environments.

💡 Practical & reproducible: Every guide contains concrete configuration examples and command sequences that you can apply directly in your own server and lab environments.