- Basic Commands: Learn essential Linux commands like ls, cd, cp, mv, rm, chmod, chown, ps, grep, find, etc.
- File System: Understand the Linux file system hierarchy, file permissions, and ownership.
- Text Editors: Get comfortable with text editors like vim, nano, or emacs.
2. Red Hat System Administration
- User Management: Learn to create, modify, and delete users and groups.
- Process Management: Understand how to manage processes using commands like top, htop, kill, nice, and renice.
- Package Management: Familiarize yourself with yum and dnf package managers.
3. Networking
- Network Configuration: Learn to configure network interfaces, DNS, and routing.
- Network Services: Understand how to set up and manage services like SSH, FTP, HTTP/HTTPS, and NFS.
- Firewall: Get to know firewall tools like firewalld and iptables.
4. Security
- System Security: Learn about securing your Red Hat system, including setting up firewalls, SELinux, and AppArmor.
- User Security: Understand how to implement user authentication and authorization, including PAM and sudo.
- Updates and Patching: Keep your system secure by regularly updating and patching.
5. Scripting and Automation
- Shell Scripting: Learn to write shell scripts to automate repetitive tasks.
- Cron Jobs: Understand how to schedule tasks using cron.
- Configuration Management: Familiarize yourself with tools like Ansible, Puppet, or Chef.
6. Advanced Topics
- Virtualization: Learn about virtualization technologies like KVM and Red Hat Virtualization.
- Containers: Get to know containerization with Docker and orchestration with Kubernetes.
- Cloud Computing: Understand how to manage Red Hat systems in cloud environments like AWS, Azure, or Google Cloud.
7. Monitoring and Performance Tuning
- System Monitoring: Learn to use tools like top, htop, vmstat, iostat, and netstat.
- Log Management: Understand how to manage and analyze logs using syslog, journalctl, and log rotation.
- Performance Tuning: Get to know performance tuning techniques and tools.
8. Backup and Recovery
- Backup Solutions: Learn about different backup solutions and strategies.
- Disaster Recovery: Understand how to plan and implement disaster recovery.
9. Certification and Continuous Learning
- Certifications: Consider certifications like RHCSA (Red Hat Certified System Administrator) and RHCE (Red Hat Certified Engineer).
- Community and Resources: Engage with the Red Hat community through forums, blogs, and conferences. Keep learning through online courses, books, and tutorials.