💼 Linux System Administrator
📍 Europe
⚙️ Infrastructure | Automation | Reliability | Security

Linux-focused System Administrator with hands-on experience building and maintaining home lab infrastructure.

Strong understanding of:

• Linux system internals
• Networking fundamentals
• Service configuration & troubleshooting
• Automation and scripting

Currently preparing for mid-level infrastructure roles and expanding into containerization, DevOps practices, and security.

• Debian / Ubuntu / Rocky Linux
• systemd management
• Users, groups & permissions
• Package management (APT / DNF)
• Filesystem structure & storage basics
• SSH configuration & hardening

• TCP/IP fundamentals
• DNS (A / AAAA / MX records)
• DHCP basics
• SSH tunneling
• Firewall configuration (iptables / ufw)
• Network troubleshooting

• KVM + virt-manager
• VirtualBox
• VM networking configuration
• Resource management

• journalctl
• Log rotation
• Process monitoring
• Cron job automation
• System diagnostics

• Bash scripting
• Backup automation (rsync)
• Log analysis scripts
• Scheduled maintenance tasks

• Git
• GitHub project structuring & documentation

• Multi-VM Linux infrastructure
• Dedicated backup server
• SSH key-based authentication
• Log rotation & monitoring setup
• Firewall rule configuration
• Service troubleshooting scenarios

• Automated backup solution
• System health checker
• Log filtering & reporting tool
• Cron-based maintenance automation

• Linux Fundamentals (CLI, filesystem, permissions, processes)
• Bash & Shell Environment customization
• Networking basics (TCP/IP, DNS, SSH)
• Virtualization (VirtualBox → KVM)
• Home Lab Infrastructure setup
• LPIC-1 Certified

• Advanced Networking & Troubleshooting
• Docker (containerized services)
• Infrastructure automation (Ansible)
• Python for system administration
• LPIC-2 (Advanced Linux Administration)

• Kubernetes fundamentals
• DevOps practices (CI/CD, Infrastructure as Code)
• Go (systems & networking tools)
• Cyber Security (Hardening, Monitoring, Blue Team)
• SIEM & centralized log analysis
• LPIC-3 (Mixed Environments, Security, High Avaliability and Storage Clusters)

• Production-grade Linux administration
• Infrastructure reliability & stability
• Secure configuration & system hardening
• Automation-first mindset
• Observability & incident diagnostics