Install OpenVZ on CentOS and install OpenGauss on CentOS

php editor Xigua will introduce to you how to install OpenVZ on CentOS and install OpenGauss on CentOS. CentOS is a commonly used Linux operating system, OpenVZ is a virtualization technology, and OpenGauss is an open source distributed database management system. Installing OpenVZ enables virtualization, allowing multiple independent virtual machines to be run on one physical server. Installing OpenGauss can build a high-performance database system. Below we will introduce in detail how to install these two technologies on CentOS systems, allowing you to easily build your own virtualization environment and database system.

LINUX Little Knowledge Sharing

The `grep` command in the LINUX operating system is a very powerful text search tool. It can search for matching lines in files based on specified patterns, and The results are displayed, if you want to search for lines containing the keyword "centos" in a file, you can use the following command:

grep "centos" filename.txt

This will be in `filename Search the .txt file for lines containing the keyword "centos" and display the results on the screen. The grep command also supports various options and regular expressions, allowing you to search and match more flexibly.

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