I have been using Linux for 10+ years.
I have used it on servers and on desktops.
I can cover:
- Installation on desktop
- Installation on server
- How to fix problems with SELinux
- How to configure SMTP relay
- Mysql backup automation to Google Nearline Storage
- Bash scripts to perform hundreds of administration tasks like dump and optimization of databases, generation of sitemaps, monitoring, and much more
- Configuration of Nginx
- Install and configure ssh
- Use sshfs to mount remote file systems locally
- much more