DR Academy

We share knowledge
for free

We believe technical knowledge should be accessible to everyone. That is why we create professional, animated educational materials about computer networking, IT security, and server administration. We explain complex topics in a simple, approachable way — no jargon, no unnecessary complexity. New content published regularly across all platforms.

DR-NetTools

DR-NetTools Academy

Networking

How does DNS work? What is TTL? How to read Traceroute? A growing series of animated videos explaining networking from basics to advanced topics.

DNSTracerouteTCP/IPWi-FiSSL/TLSIPv6PortsSSHVPNDHCP
DR-Terminal

DR-Terminal Academy

Terminal & SSH

SSH, SFTP, keys, tunnels, server security, DevOps. An expanding series from your first SSH connection to deploying infrastructure.

SSHSFTPKeysTunnelsFirewallSystemdDockerGitDevOpsSecurity

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