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.

Every Chinese Linux user has a history of struggling with input methods. When I was a student, I experienced the awkwardness of being unable to type while playing MOBA games. The enemy was about to steal my tower (it was too late to chat late at night), and I hurriedly typed :help. Common multilingual input method platforms for Unix-like operating systems include ibus (Intelligent Input Bus) and Fcitx (Free Chinese Input Tool for X). The latest is Fcitx5. I currently use ibus for Ubuntu. Fcitx5 users should also have their own solutions.

As we all know, k8s currently has three probes. It is very important to use probes reasonably, which is conducive to timely detection of potential problems