Learn step by step
Learning paths
Three complete tracks designed to be followed in order. No account required: your progress is stored only in your browser if you enable it.
🐧 Linux from scratch
From what Linux is to using Bash confidently: terminal, files, users, permissions, processes, services, SSH and basic networking.
Start path🌐 Networking from scratch
What a network is, IP addresses, masks and subnets, switches, routers, VLAN, DHCP, DNS, NAT and VPN.
Start path🔐 Cybersecurity from scratch
Basic concepts, threats, passwords, firewalls, Nmap, Linux security, logs, monitoring, hardening and Blue Team.
Start path