Catalogue
Course catalogue
23 courses and 315 lessons, from beginner to certification.
Infrastructure & systems
Linux, Windows Server, networking and VPN: the foundations of every company’s IT.
Infrastructure & systems · All levels
From UNIX to Linux: The History That Explains Everything
Where Linux comes from, why it looks like UNIX, and why there are several families of distributions.
Infrastructure & systems · Beginner
Linux Command-Line Fundamentals
Terminal, files, searching, redirections, archives: the foundations shared by every distribution.
Infrastructure & systems · Beginner to advanced
Red Hat Enterprise Linux Administration (RHEL 6 to 10)
Administer RHEL, CentOS, Rocky Linux and AlmaLinux, from user management to SELinux, with the differences between each version.
Infrastructure & systems · Beginner to advanced
Debian Administration (Debian 11 to 13)
Administer Debian servers: packages, services, networking, disks, web server, firewall and security updates.
Infrastructure & systems · Beginner to advanced
Ubuntu Server Administration (20.04 to 24.04 LTS)
Administer Ubuntu Server in the cloud: packages, netplan, systemd, nginx, cloud-init, ufw and AppArmor.
Infrastructure & systems · Beginner to advanced
Windows Server: Administration, Automation and Security (2016 to 2025)
Install and administer Windows Server, manage Active Directory, Group Policy, DNS, DHCP, file shares and Hyper-V, and automate everything with PowerShell.
Infrastructure & systems · Beginner to advanced
Networking and VPN: From IP Addressing to WireGuard, OpenVPN and IPsec Tunnels
Understand and administer a corporate network (IPv4, IPv6, DNS, routing, NAT, VLANs, firewalls), then connect branch offices and remote workers with WireGuard, OpenVPN, strongSwan and Azure VPN Gateway.