The Scapy packet manipulation program lets you analyze and manipulate packets to create incident response reports or examine network security.

Discover your network with the user-friendly Zenmap network scanner.

Software projects often comprise several code branches, some of which exist in parallel. Git supports community code development through remote repositories and code branching.

The Git version control system is a powerful tool for managing large and small software development projects. We'll show you how to get started.

You might think Docker is a tool reserved for gnarly sys admins, useful only to service companies that run complicated SaaS applications, but that is not true: Docker is useful for everybody.

Data compression costs virtually no computing power today. Why not save some space by putting data compression techniques to work on RAM and cache memory?

In an effort to meet modern computing needs, zstd offers a greater degree of compression at a faster compression rate, with unique options to enhance performance.

Systemd units use files to control resources that Systemd manages.

You can do more with the Bash history command than just using the arrow keys. We show you how to use this command-line tool more efficiently.

Systemd can start timers that automatically perform tasks at specified times. The configuration files are known as timer units.