System Administration: Universal Skills for Any Platform

System administration is the practice of managing, maintaining, and ensuring the reliable operation of computer systems and networks. Sysadmins are responsible for installing, configuring, and maintaining servers, ensuring data security, managing user accounts, and troubleshooting issues.

Our system administration collection covers universal principles and methodologies that apply regardless of the specific operating system or platform you manage.

• IT Backbone: Every organization depends on reliable systems
• Universal Role: Sysadmins exist in every industry
• Problem Solving: The ultimate troubleshooting skill set
• Career Gateway: Entry point for DevOps, cloud, and security careers

• Aspiring IT Professionals: Build foundational admin skills
• Help Desk Staff: Advance to system administration
• Junior Admins: Develop best practices and methodology
• Career Changers: Enter IT through system administration

• User and access management
• Backup and disaster recovery planning
• Monitoring and alerting
• Change management processes
• Documentation and runbooks
• Capacity planning
• Incident response procedures
• Automation and scripting

1. Fundamentals: Users, permissions, basic services
2. Infrastructure: Servers, storage, networking
3. Best Practices: Documentation, monitoring, backups
4. Automation: Scripting and configuration management
5. Specialize: Choose Linux, Windows, or cloud focus

• Junior System Administrator: €35,000 – €50,000/year
• System Administrator: €45,000 – €75,000/year
• Senior System Administrator: €60,000 – €90,000/year
• IT Manager: €65,000 – €100,000/year