Technical experience sharing, welcome to follow and provide guidance. The Debian series of operating systems uses apt for package management by default, and apt installs software packages based on a fixed apt source to pull packages. This raises a reasonable question: Is there a way to build a customized version of a Debian-based system from … Read more
The ancient Chinese mythical beast, the Qilin, has inspired numerous names in the domestic IT industry, such as Qilin Software, Tianjin Qilin, Qilin HiSilicon, Ubuntu Kylin, Qilin Information Security, Galaxy Kylin, and the Kylin Operating System. These names represent both companies and product brands, yet many people are unclear about the distinctions and respective businesses … Read more
Recently, I learned about some minor issues encountered when installing software packages in an internal network environment. I would like to share this with everyone and hope for your suggestions! 1. Install yum-utils Error: not found # yum install yum-utils -yLast metadata expiration check: 0:00:50 ago on Wednesday, September 17, 2025 09:25:19. No match for … Read more