Linux's Best-Looking System Monitor Gets Smarter: Mission Center Updates Services and Info View

Mission Center, the aesthetically pleasing (and yes, subtly Windows-inspired) GTK4/libadwaita system monitoring tool for Linux, has released a solid new version.

If you haven’t encountered it yet, Mission Center is your one-stop application for system oversight. It allows you to:

• Check usage for CPU, Memory, Disk, Network, and GPU.
• Get a detailed overview of running processes and track their resource consumption.
• Manage system services—all within one cohesive, modern-looking interface.

The new Mission Center 1.1 update focuses heavily on refining existing features and adding essential system information.

Overhauled Services and Enhanced Process Control

The biggest visible change is the complete overhaul of the Services page.

• Improved Visibility: The revamped page now clearly displays child processes and user services.
• Advanced Filtering: You can easily filter services based on their current status (e.g., stopped, failed, running).
• Performance: The new backend benefits from numerous bug fixes, resulting in a snappier, better-performing interface when viewing and interacting with services.

Furthermore, the Apps tab receives a major power-user feature: you can now right-click a process and send an OS-level signal to it. This gives you granular control with options like: STOP, CONT, HUP, INT, TERM, KILL, USR1, or USR2.

New: The Essential “About System” Dialog

Mission Center has always been fantastic at showing hardware specs (down to CPU cache and RAM form factor). But what about the OS itself?

To save you from opening a terminal and running tools like fastfetch or neofetch, Mission Center now includes a dedicated About System dialog. This screen provides crucial details on:

• Package Manager and Version
• Kernel Release Number and Version
• Desktop Environment (DE)

The developers describe this as the “first iteration,” meaning we can look forward to even more detailed operating system diagnostics in future releases.

Additional Performance and Feature Improvements

Version 1.1 also bundles a collection of important bug fixes and optimizations under the hood:

• Reduced CPU Usage: Improved efficiency when fetching and updating system data.
• Power Metrics: Now displays CPU power draw where supported by the hardware.
• Hardware Robustness: The fan backend and configurations have been improved, and the utility is now more robust in GPU value reading (e.g., ignoring spurious SMART temperatures of 0 Kelvin).
• Snap Fixes: Packaging adjustments for users installing via Snap.

In summary, this is another incredibly strong update to an already competent and visually stunning system monitor. It remains one of my personal favorite desktop Linux applications—not just because it’s functional, but because the design makes me genuinely want to use it often!

How to Install Mission Center 1.1

Mission Center is free, open-source software available for all major Linux distributions.

• Flatpak (Recommended): The latest release is readily available on Flathub:
  https://flathub.org/apps/io.missioncenter.MissionCenter
• AppImage: For a portable option (including for ARM devices), you can download the AppImage directly from the releases page on the Mission Center Gitlab repository.
• Ubuntu Users: You can also typically install it via the App Center (Software Center) if the Flatpak integration is enabled.