Luke's Ubuntu and Linux Hacks

The following was taken directly from a page at zorin.com . We like the info below not only because Zorin is a great distro; the article also applies well to Ubuntu Apps installations, and explains a wide variety of ways to find and install Apps in the Linux environment at large, especially as it applies to debian-based distros such as Zorin OS and Ubuntu OS. We also like the inclusion of Synaptic Package Manager. Install Apps How to install additional apps and software from the Software store, .deb files, and other sources. Installing a video game? View how to play games in Zorin OS › Software store  You can discover a world of apps for Zorin OS from the built-in Software store. This is the recommended way to install apps in Zorin OS. The Software store allows you to install apps from the Zorin OS & Ubuntu APT repositories,  Flathub , and the  Snap Store  out of the box. Open the Zorin Menu and click on “Software”.  You can explore recommended apps from the...

After I upgraded my Linux Ubuntu computer to version 25.10 , I kept getting the message " Firmware available for KEK CA ". I searched Gemini AI for an explanation and, possibly, for a fix, and this was the answer I got: Click here for answer. So I opened the Terminal and typed in " sudo fwupdmgr update " (no quotes); (Gemini did not include "sudo" but you might have to include it to make things work correctly.)  After I ran the command in the Terminal I received the message: " WARNING: UEFI capsule updates not available or enabled in firmware setup See https://github.com/fwupd/fwupd/wiki/PluginFlag:capsules-unsupported for more information. Devices with the latest available firmware version:  • UEFI CA Devices with no available firmware updates:   • Fujitsu BIOS DB Certificate  • Fujitsu BIOS KEK Certificate  • DB  • KEK  • KEK CA  • MQ01ABD100  • Option ROM UEFI CA  • Phoenix Kek Example  • SBAT  • WD20SDRW-11VUU...