Qubes OS 4.0.2 allows users to “compartmentalize” computing tasks into isolated compartments called Qubes. According to Qubes’s announcement, Qubes 4.0.2 is the second stable point release of Qubes 4.0. The new release updates the Linux kernel to version 4.19.89.
- If you are new at Linux, you can read our article: Linux for beginners
- How to update Linux Kernel without rebooting?
It includes many updates over the initial 4.0 release.
- All 4.0 dom0 updates to date
- Fedora 30 TemplateVM
- Debian 10 TemplateVM
- Whonix 15 Gateway and Workstation TemplateVMs
- Linux kernel 4.19 by default
If you installed Qubes 4.0 or 4.0.1 and have fully updated, then your system is already equivalent to a Qubes 4.0.2 installation.
Security by isolation
Qubes OS, whose main concept is “security by isolation” by using domains implemented as lightweight Xen virtual machines. It attempts to combine two contradictory goals: how to make the isolation between domains as strong as possible, mainly due to clever architecture that minimizes the amount of trusted code, and how to make this isolation as seamless and easy as possible.
Download Qubes OS 4.0.2
To download Qubes OS 4.0.2 from the official source, click here