Some of my notes and useful commands, they help me remembering flags and some commands structure or use cases so I do not have to browse to find answers.

• Backup: Tools for backup purpose
• Containers: Managing containers, mainly podman
• DNS: Setting up a dns server, blocky and unbound
• Network: Setting up network configuration
• Sysadmin: Maintain a linux server, tips and tricks
• Terminal: Basic terminal tools
• Virtual Machine: Virtual Machines management
• Web: Setting up webserver including ssl with letsencrypt