I downloaded the Orchis-theme a while ago. I feel like the top taskbar (or status bar/top bar? Anyway, it's called the panel top bar in English) is too tall. It looks really awkward on a small screen, so I had to search for a fix myself. The process is as follows.

Alacritty cannot switch to the Chinese input method under Ubuntu wayland, and the title bar also displays abnormally. It can be solved by configuring env WINIT_UNIX_BACKEND=x11 environment variables. Alacritty relies on Winit. Winit is a rust window processing library. The default Using the Wayland backend, this setting means to switch to Xwayland, as shown below, add environment variables when starting

Common Readline shortcuts, everyone knows them

Git is a rarely updated but important development software. The version in the official system repository is always significantly behind the latest version. If you don't want to install additional daily updates, manually installing the latest version from source is a good solution.

Sometimes I want to connect the AirPods2 headset to the Ubuntu computer. After recently reinstalling the system, I encountered a situation where the headset could not be paired. I hereby record the exploration process. I have not tried other AirPods models, and have not tested the equipment (recently purchased AirPods Pro 2nd Generation, after Test, the second generation can also be matched according to this method), the method should be similar.