Linux terms
The operating system underneath almost everything in production
Linux runs the servers, containers, and cloud instances that power most production software. This category covers shell commands, file systems, process management, permissions, networking tools, cron jobs, and the system internals that every backend developer benefits from understanding. Knowing your way around Linux is not optional when something breaks at 2am.
Systemd Services & Unit Files
Systemd is the init system managing service lifecycle on modern Linux — unit files define how services start, stop, restart, and depend on each other.
2mo ago
linux intermediate
Shell Pipes & Redirects
Pipes (|) connect stdout of one command to stdin of another; redirects (<, >, >>) send stdin/stdout to files — the foundation of composable Unix command-line workflows.
2mo ago
linux intermediate
SSH Keys
Asymmetric cryptographic key pairs used for passwordless SSH authentication — the public key is placed on servers, the private key never leaves your machine.
2mo ago
linux beginner