Debian Administration Training in Copenhagen, Denmark

This course provides a comprehensive introduction and deep-dive into the administration of Debian-based Linux systems. Participants will learn how to install, configure, manage, and secure Debian servers in real-world environments. The course emphasizes hands-on training with practical labs, scripts, and real-time troubleshooting to ensure learners gain applicable sysadmin skills.

Introduction and Installation

• Introduction to Debian and Linux system architecture

• Debian installation (manual and automated)

• Boot process and GRUB

• Using the shell and file system hierarchy

• Basic file and directory commands

User and Package Managemet 

• User, group, and permission management

• Managing packages with apt, dpkg, and repositories

• Software updates and upgrades

• Essential tools: cron, systemctl, journalctl |

Networking and Services 

• Configuring network interfaces and DNS

• Troubleshooting tools: ping, netstat, ss, traceroute

• Setting up SSH, FTP, and basic firewall with ufw or iptables

• Service management with systemd |

Storage and Security 

• Disk partitioning, LVM, and mount management

• File system tuning and quotas

• Security fundamentals: sudo, SELinux/AppArmor, logs

• Backup strategies and tools |

Scripting, Monitoring, and Troubleshooting 

• Bash scripting for automation

• Monitoring tools: top, htop, vmstat, iotop, logwatch

• Troubleshooting boot, services, and performance issues

• Course wrap-up and final assessment |