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Catalogue / Infrastructure & systems

Debian Administration (Debian 11 to 13)

Administer Debian servers: packages, services, networking, disks, web server, firewall and security updates.

  • Beginner to advanced
  • 20 lessons
  • 14 h 20 min
  • Versions 11, 12, 13

A MasterLinux course · Original text

What you will learn

  • Understand Debian releases and repositories
  • Master apt and dpkg
  • Manage services and logs
  • Configure networking and disks
  • Host a website with Apache or nginx
  • Secure systems with nftables, AppArmor and automatic updates
  • Administer MariaDB, PostgreSQL, NFS, Samba and Docker
  • Set up reliable backups and fail2ban
  • Troubleshoot the boot process (GRUB, rescue mode)
  • Prepare for the LPIC-1 with a mock exam

Course content

20 lessons · 14 h 20 min
Section 1 — User4 lessons · 2 h 5 min
  1. Debian — philosophy, versions and social contract Preview25 min
  2. Accounts, groups and sudo on Debian 30 min
  3. Debian packages — apt, dpkg and repositories 35 min
  4. Processes and resources on Debian — ps, top, kill, free, df, du 35 min
Section 2 — Administrator6 lessons · 3 h 55 min
  1. Services and systemd on Debian 35 min
  2. Networking on Debian — /etc/network/interfaces 35 min
  3. Logs and scheduled tasks (cron) on Debian 35 min
  4. Disks, /etc/fstab and LVM on Debian 40 min
  5. Boot and troubleshooting — GRUB, systemd targets, rescue mode, initramfs 45 min
  6. Advanced accounts — group folders, ACLs, umask, /etc/skel and quotas 45 min
Section 3 — Server5 lessons · 3 h 55 min
  1. Web server on Debian — Apache and nginx 40 min
  2. Databases on Debian — MariaDB and PostgreSQL 50 min
  3. Sharing files — NFS and Samba on Debian 45 min
  4. Backups on Debian — rsync, incremental tar, rotation and tested restore 50 min
  5. Docker on Debian — official repository, containers, volumes, Dockerfile and Compose 50 min
Section 4 — Security3 lessons · 2 h 15 min
  1. nftables firewall and AppArmor on Debian 45 min
  2. Security updates and Debian version upgrades 45 min
  3. Hardened SSH and fail2ban on Debian 45 min
Section 5 — Certification2 lessons · 2 h 10 min
  1. Preparing for LPIC-1 (exams 101 and 102) with Debian 40 min
  2. Mock exam — LPIC-1 and Debian administration (12 tasks) 1 h 30 min

Requirements

  • The “Fundamentals” course (included)

Who is this course for?

  • Administrators at hosting providers
  • Developers who manage their own servers
  • LPIC candidates