Server administration - BeginningLinux.com

Apache
- Enable SSH after fresh Apache2 or LAMP install
- HTTPS / SSL certificate – install, upload, enable SSL module for Apache and how to test it
Authentication without password using OpenSSH Key, certificates .pem and .pub
Firewall
- Enable firewall on server without SSH disconnect
Install LAMP with one command – Linux Apache MySQL PHP
Install Webmin on Ubuntu
List DNS records, nameservers of a domain from command line
Monitoring operating system
- Uptime – shows average load and how long has the system been up
- W – show how many users are logged on and how (local or remote) + system load
MySQL
- How to tune up and optimize MySQL server performance
  - MySQL tunner
    - Update MySQLtuner to most recent version
  - Slow Query Log – log queries that take more then 10 seconds
- Workbench update problem with error