POSIX (Unix) permissions and ACL

Linux for tablets as it aught to be!

A cross-platform (Windows, Linux, Mac) hex editor for reverse engineering, and everything else.

This Linux commands cheat sheet helps you anytime.

If you’re looking for an application firewall for your Linux box, you must’ve heard of OpenSnitch. The bad news is that the original project is no longer under active development. The good news is that OpenSnitch has been forked.


If you’ve never heard of the project, OpenSnitch is a free and open-source application-level firewall for Linux. It contains a daemon written in Go and a GUI controller written in Python.

The firewall monitors outbound connections and allows or denies the connections based on a set of rules defined by you, the user. Basically, OpenSnitch is a free and open-source port of the popular Little Snitch firewall for macOS.

When your computer is getting full, BleachBit quickly frees disk space. When your information is only your business, BleachBit guards your privacy. With BleachBit you can free cache, delete cookies, clear Internet history, shred temporary files, delete logs, and discard junk you didn't know was there. Designed for Linux and Windows systems, it wipes clean thousands of applications including Firefox, Adobe Flash, Google Chrome, Opera, and more. Beyond simply deleting files, BleachBit includes advanced features such as shredding files to prevent recovery, wiping free disk space to hide traces of files deleted by other applications, and vacuuming Firefox to make it faster. Better than free, BleachBit is open source.