Keeping your system up to date usually involves invoking multiple package managers. This results in big, non-portable shell one-liners saved in your shell. To remedy this, topgrade detects which tools you use and runs the appropriate commands to update them.

Quickly create and run optimised Windows, macOS and Linux desktop virtual machines. - GitHub - wimpysworld

Linux for tablets as it aught to be!

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.

A quick tutorial on how set up a simple macOS VM in QEMU, accelerated by KVM. Jump over the break to learn more…