Linux

Centos7 upgrade kernel

Application background: I have recently contacted docker, which requires a higher kernel version. Even the default kernel version of centos7.x currently in use is 3.10.0-xxx, which just meets its minimum requirements.

CentOS7 Docker CE online installation

Docker CE supports the 64-bit version of CentOS 7, and requires the kernel version to be at least 3.10. CentOS 7 meets the minimum kernel requirements, but due to the relatively low kernel version, some functions (such as overlay2 storage layer driver) cannot be used, and some functions may not be stable

Linux nohup in detail

When we execute a command in Linux, it will create our process in the background and assign a unique process ID. This process can be ended in three ways: the assigned task is completed, you explicitly terminate the process, you log out, or in the case of SSH, the connection is disconnected and the session is terminated

Basic operation of getting started with Vim

Vim is a popular lightweight and powerful text editor on Linux systems. I use Vim mainly for quick editing of small files, such as configuration files or script files, but it can of course be used for any text editing. This is a beginner’s guide, just scratching the surface of Vim