The guide covers hardening techniques for Ubuntu Desktop 24.04 and 26.04 LTS, focusing on terminal configuration, network privacy, and system security. The project is available on GitHub under the GNU GPLv3 license.
Users can customize the Ptyxis terminal by adjusting appearance settings, such as fonts and color palettes. The author provides a specific configuration for a dark-themed palette and instructions for setting window transparency via gsettings.
System-level optimizations include disabling automatic media mounting, centering new windows, and restoring the Shift+Alt keyboard layout shortcut. Bash history can be configured for infinite storage and real-time logging with timestamps.
Security measures involve limiting sudo authentication timeout to two minutes and configuring network interfaces to prevent automatic connections. The guide also details disabling IPv6 and using custom DNS servers like Quad9.
To enhance privacy on physical hardware, the author recommends enabling MAC address randomization for both Ethernet and Wi-Fi connections. This is achieved by creating a configuration file in the NetworkManager directory to ensure automatic address rotation.
