Sometimes you want to use the kill command to send special signals to certain programs. For a while, you don't know the signal name and number or are afraid of spelling mistakes. At this time, the kill command comes with kill -l or kill -L The command may be able to help you.

Almost every few years, the wall will improve a little, and the road will be taller and the devil will be taller. My self-built xray service has not been very stable recently. Tests show serious packet loss. From the mtr results, the packet loss rate for this hop of 101.95.209.65 is as high as 93%, which means that the external IP address of the server is almost useless.

When I recently upgraded labwc to v0.6.5, I found that the screenshot button print had no response no matter how I pressed it. I need to easily detect whether the button is damaged.

I previously wrote an article about taking screenshots in the wayland environment and then using ksnip to modify the pictures (http://mephisto.cc/tech/wayland-screenshot/). I recently discovered that after modifying the pictures, in some cases the pictures cannot be copied. , I still can’t find the pattern that triggers the bug🤷‍♂️

Common display managers (or login managers) include LightDM, GDM, Ly, etc. Most of them are written in C, and often only support GUI or command line interface. greetd is written in rust and supports command line and a graphical interface (greeter).