RHEL / AlmaLinux: Enterprise Linux Administration

Red Hat Enterprise Linux (RHEL) is the gold standard for enterprise Linux, used by Fortune 500 companies worldwide. AlmaLinux is a free, community-driven replacement for CentOS that provides binary compatibility with RHEL, making it ideal for learning and production use without licensing costs.

Our books cover RHEL/AlmaLinux administration with a focus on enterprise environments and certification preparation.

• Enterprise Standard: RHEL is the most used enterprise Linux
• Certification Path: RHCSA/RHCE are the most valued certifications
• Job Market: Most enterprise Linux jobs require Red Hat skills
• Stability: 10-year support lifecycle for production environments
• Free Alternative: AlmaLinux provides identical skills without cost

• Enterprise Admins: Working in RHEL environments
• Certification Seekers: Preparing for RHCSA or RHCE
• Ubuntu/Debian Users: Expanding to RPM-based distributions
• Corporate IT: Managing enterprise-grade Linux

• RHEL/AlmaLinux installation and setup
• YUM/DNF package management
• SELinux configuration and troubleshooting
• Systemd service management
• Firewalld configuration
• Storage with LVM and Stratis
• Networking with NetworkManager
• RHCSA/RHCE exam preparation

1. Install: AlmaLinux (free RHEL alternative)
2. Package Management: DNF, repositories, modules
3. Security: SELinux, firewalld, user management
4. Services: systemd, web, database servers
5. Certification: RHCSA preparation and practice
6. Advanced: RHCE automation with Ansible

• RHEL System Administrator: €50,000 – €80,000/year
• Red Hat Engineer: €60,000 – €95,000/year
• Enterprise Linux Architect: €75,000 – €120,000/year