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

Recently, when troubleshooting an online problem, I found that the nginx log $upstream_addr field actually returned 2 values, in the form of '192.168.1.1:80, api-servers', where api-servers refers to you The upstream is followed by the group name, and the part has only one value 'api-servers'. Under normal circumstances, this place should be like "192.168.1.1:80", that is, one request falls to one backend service.

Common Readline shortcuts, everyone knows them

In the process of daily computer use, some scenarios require copying and pasting content between multiple business systems. For operations such as copying or cutting, the content is stored in the clipboard (English: clipboard), which can only store one content at a time, and the new content will overwrite the old content. This default behavior of the operating system is sometimes not convenient enough to use, so people have written various clipboard managers. This article introduces the simple use of CopyQ, a cross-platform software, under the Ubuntu system.