Here is a collection of commands lines, code and configuration snippets I collected for several years while working as an Open-Source Software Engineer:
- Files Management
- Archives
- System & Shell
- Network
- Hardware
- CD Burning
- Apache
- Web
- Video
- Audio
- Image Processing
- Text, Date & Document Processing
- dpkg, APT & Aptitude
- RPM, Urpmi & Yum
- OpenSSH
- GPG & OpenSSL
- i18n / l10n
- MySQL
- PostgreSQL
- Git
- Mercurial
- Subversion
- Bazaar
- CVS
- VirtualBox
- Qemu
- libvirt
- Exim
- Python
- Pandas
- JavaScript
- WordPress
- macOS
- AWS
For the context, you can read this introduction.