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The world’s most secure Linux operating system requires more powerful hardware

Latest update time:2024-01-16
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From: Linux Enigma

Qubes OS 4.2.0 introduces enhanced SELinux support and upgraded Dom0 and Xen. Debian templates are now based on the "Bookworm" version.
Qubes OS is a Linux-based operating system that provides superior security through isolated virtualization. It turns your computer into multiple virtual machines, each running in its own isolated environment.
This design makes it very difficult to spread malware across different parts of the system.

Key highlights of Qubes OS 4.2.0:

  • Upgraded to Fedora 37: Qubes’ management domain Dom0 has been upgraded to Fedora 37 to enhance performance and security.
  • Xen 4.17 integration: The underlying Xen hypervisor has been upgraded to version 4.17, providing better hardware support and stability.
  • Improved templates: The default Debian template has been upgraded to Debian 12, and Fedora and Debian templates now use Xfce as the default desktop environment instead of GNOME, optimizing resource usage.
  • SELinux support: SELinux support has been added to the Fedora template to enhance the stability of the security policy.
  • GUI application improvements: Several key GUI applications have been rewritten, including application menus, Qubes global settings, and Qubes updates, to improve performance and usability.
  • Unified boot configuration: Unifies the "grub.cfg" location of UEFI and traditional boot, simplifying system configuration.
  • PipeWire support and fwupd integration: New support for PipeWire enhances audio/video processing, while fwupd integration allows for seamless firmware updates.
  • Auto-Clear Clipboard: An optional feature for enhanced security that automatically clears the clipboard to prevent accidental data leakage.
  • Detached GPG management: Integrated into Qubes global settings for better handling of email encryption.
  • New Qrexec policy format: The default format of the Qrexec service, which enhances the security of communication between virtual machines.
Additionally, a new Release Signing Key (RSK) has been introduced to enhance the security of Qubes OS 4.2. This change was announced in Qubes Canary 032 and is part of a strategy to isolate the build process for different Qubes OS versions.
The previous version, Qubes 4.1, will continue to be supported until June 18, 2024. Additionally, Whonix templates supported by the Whonix Project will follow their own version support policy.
Related: Whonix Linux: The key to ultimate online anonymity https://www.linuxmi.com/whonix-linux.html
You can refer to the release announcement for details on all changes. Installation images for Qubes OS 4.2 are available in the Downloads section of the project website .
So, if you are really focused on having the best online security and choose to use Qubes OS, keep in mind that since it is designed to use virtual machines, it requires more powerful hardware.
This means your computer should have at least 16 GB of RAM and 128 GB of disk space, plus you'll need to enable and use virtualization to take full advantage of Qubes OS's features.

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