Linux System Administration Course in Doha, Qatar

The Linux System Administration course in Doha, Qatar is for people who already know the Linux command line and now need to keep servers running reliably. It covers the daily work of an administrator: controlling services with systemd, reading logs with journalctl, partitioning disks and building LVM volumes, managing users and sudo rights, configuring network interfaces, and protecting hosts with firewalld, SELinux and hardened SSH. Red Hat Enterprise Linux and Ubuntu Server are used side by side.

Learning is lab-driven. Participants build and break their own virtual servers, then diagnose boot problems, full file systems, failed services and permission errors the way they would on the job. Automation is introduced through Bash scripts, cron and systemd timers so routine tasks stop depending on memory. Each module closes with a practical task that pulls the skills together. The course can be delivered as an in-house program aligned with the distributions and standards your organization already uses.

By the end of this course, participants will be able to:

• Manage services, targets and the boot process using systemd and systemctl

• Diagnose problems using journalctl, log files and system resource tools

• Configure disks, partitions, file systems and LVM logical volumes

• Administer users, groups, password policies and sudo privileges

• Configure networking, firewalld or ufw rules and secure SSH access

• Apply SELinux or AppArmor policies to confine services

• Automate routine tasks with Bash scripts, cron and systemd timers

This course is aimed at IT professionals who use Linux regularly and are responsible, or will soon be responsible, for running Linux servers.

• Linux and Unix system administrators

• Infrastructure and data center engineers

• DevOps and site reliability engineers

• Cloud engineers managing Linux virtual machines

• Application support engineers working on Linux hosts

Module 1: Boot Process, systemd and Services

• UEFI, GRUB2 and the Linux boot sequence

• Managing units and targets with systemctl

• Reading and filtering logs with journalctl

• Recovering from common boot failures

Module 2: Storage and File Systems

• Partitioning disks with fdisk, gdisk and parted

• Creating ext4 and XFS file systems

• LVM physical volumes, volume groups and logical volumes

• Persistent mounts with /etc/fstab and UUIDs

• Extending volumes and managing swap

Module 3: Users, Access and Security

• User and group management, password aging policies

• Configuring sudoers and least-privilege administration

• Hardening SSH with keys and restricted logins

• SELinux modes, contexts and booleans; AppArmor profiles

Module 4: Networking and Firewalls

• Configuring interfaces with ip and nmcli

• Hostname resolution, DNS clients and /etc/hosts

• Firewall zones and rules with firewalld and ufw

• Testing connectivity with ss, ping and traceroute

Module 5: Automation, Maintenance and Performance

• Writing Bash scripts with variables, loops and conditions

• Scheduling jobs with cron and systemd timers

• Patching systems and managing package repositories

• Backups with tar and rsync; performance checks with top, vmstat, iostat

As Qatar expands its data centers, cloud services and digital government platforms, organizations in banking, energy, telecom and healthcare depend on Linux servers that must stay available and secure. Qatar's National Cyber Security Agency promotes sound security practice across critical sectors, and well-run Linux administration, from patching to access control, is part of meeting those expectations. Skilled administrators also support the knowledge-based economy goals set out in Qatar National Vision 2030.

Join a scheduled class at our training center in Doha or attend live online. For organizations, the course can run as an in-house program at your premises or online, tailored to your sector, examples and schedule.