Real-Time Monitoring with Prometheus and Grafana

Optimize Memory Usage with zram and swap

Basic Forensic Analysis in Linux: Collect and Examine Evidence

Implement a High-Availability Cluster with Pacemaker and Corosync

Application Log Management with ELK Stack (Elasticsearch, Logstash, Kibana)

Configuring a DNS Server with BIND9

Set Up an IRC or Matrix Server for Your Community

Remote Administration with Cockpit: GUI for Linux Servers

Reverse Proxy with Nginx: Configure HTTPS and One or More Virtual Hosts

VPN Setup with OpenVPN on a Linux Server