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🤷‍♂️

When I was searching for a keyword a few days ago, I found that a post on another website was highly overlapped with an article on my website, at least 85% identical. What’s even more egregious is that the image address is also from my website, and the source was not marked, so I completely ignored it. Copyright Statement.

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).

The screenshot function is used in many scenarios in daily work. When you want to explain a certain problem to your partner, a picture is worth a thousand words. The so-called picture has the truth. The screenshot is usually modified under the comment, and the red box in the key place , operation steps, arrow guidance and so on.

When I was writing some interesting functions of Firefox yesterday, I needed to demonstrate some ui operation steps. At this time, the screenshots are not clear enough to record the process. I think that there are often some gif pictures on Github to demonstrate the operation steps. Use the command line to combine two pictures It is also possible to produce a gif image, which is a little troublesome. In this scenario, it is an ideal way to record the screen operation steps and then generate a gif image. Of course, it is also possible to embed a video on the website, but many platforms do not support video Upload, for simple web tutorials, pictures are more suitable.