What Are Debian and Ubuntu?
Debian is one of the oldest and most respected Linux distributions, known for its stability and extensive package repository. Ubuntu, based on Debian, is the most popular Linux distribution worldwide, used for desktops, servers, cloud, and IoT.
Together, the Debian family powers millions of servers, the majority of cloud instances, and is the most common platform for Docker containers. Our books cover both distributions with a focus on practical administration and real-world deployment.
Why Debian/Ubuntu?
- Most Popular: Ubuntu is the #1 Linux distribution by usage
- Cloud Default: Default OS on most cloud platforms
- Docker Base: Most Docker images are Debian/Ubuntu-based
- Huge Community: Massive documentation and community support
- APT: Powerful, reliable package management
Who Is This For?
- Linux Beginners: Ubuntu is the best starting distribution
- Server Administrators: Deploy production Debian/Ubuntu servers
- Cloud Engineers: Most cloud instances run Ubuntu
- Container Users: Build Docker images on Debian
Key Topics
- Installation and initial setup
- APT package management
- System configuration and services
- Ubuntu Server vs Desktop
- Security updates and upgrades
- Snap and Flatpak packages
- LTS release management
Learning Path
- Install: Ubuntu Desktop or Server edition
- APT Mastery: Package management and repositories
- Configuration: Networking, services, users
- Server Setup: LAMP/LEMP stack deployment
- Maintenance: Updates, backups, monitoring
Career Impact
Debian/Ubuntu skills are expected in most Linux roles. Employers assume proficiency with these distributions for system admin (€45K-€75K), cloud engineer (€55K-€90K), and DevOps roles (€60K-€100K).
Recommended Debian / Ubuntu Books
Frequently Asked Questions
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