This part contains my hints for linux users

• Headless virtual machine on debian with virsh
• Building libpoppler (PDF library) on MacOS
• ffmpeg-Kommandos
• Building qt6keychain on macOS
• Docker in Debian cheatsheet
• Company Web server
• KDE tweaks
• openVPN setup on debian
• Shares in local network without DNS
• shiny server with apache proxy
• Shrink LVS partition