If you install Firefox via repositories it might not install with your preferred language/settings. If your distro is in English it will default to American English as the main language and other English variations as additional spelling dictionaries. You can change this from the CLI. The below examples will leave…
Linux: Initiating a CPU backtrace
Sometimes a process is taking a lot of CPU time and it isn’t clear what the cause is. For example, at times it is common to see the kworker process consuming a lot of CPU. kworker is a placeholder process for kernel worker threads. These threads perform most of the…
Ubuntu: Installing/fixing TP-Link AC1200 (T4UH 1.0) drivers in Ubuntu
[Updated instructions for Ubuntu 20.04 here] I have had this USB wireless adapter working fine on Ubuntu 18.04 LTS for a while. A system update stopped it from working. Re-installing the OS provided drivers (Software & Updates / Additional Drivers) made no difference. I tested the adapter in other operating…
Ubuntu: Fixing the “error: no video mode activated” message on boot
During boot of your system and just after the BIOS messages Ubuntu might display a black screen with an error: no video mode activated message. The system boots normally but it is annoying. GRUB by default hides the boot menu and this message can show up if there is no…
AMD/Gigabyte: Enable hardware acceleration for virtualisation in the BIOS
In the Gigabyte BIOS you need to activate a series of settings on different sections in order for KVM to be able to use hardware acceleration. M.I.T. -> Advanced Frequency Settings -> Advanced CPU Core Settings -> SVM Mode set to Enable Chipset -> IOMMU set to Enabled Save settings…
Ubuntu: Fixing network interfaces not showing in GUI on Ubuntu Server
Ubuntu Server and Ubuntu Desktop use different network managers. Ubuntu Server uses networkd which doesn’t have a GUI component. So after adding a desktop to Ubuntu Server you won’t be able to see or change the configuration via the GUI by default. Ubuntu Desktop Ubuntu Server Configuration tool netplan netplan…