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HomeSystem TutorialLINUXAn in-depth analysis of the Linux Yum tool: from beginner to expert

In the current Internet era, as a free and open source operating system, Linux has become the first choice for many programmers and network technicians. In Linux systems, the Yum tool is a very important software package manager. It can help users install, update and delete software packages, greatly simplifying the software management process. This article will introduce the usage methods and techniques of Linux Yum tool in detail from the perspective of entry to proficiency.

What is Yum tool?

Yum is the abbreviation of Yellowdog Updater, Modified, a software package manager originally developed by Red Hat. It can quickly install, delete and update software packages, and resolve dependencies between software packages, making software management more convenient and efficient.

Basic usage of the Yum tool

In most Linux distributions based on Red Hat, the Yum tool has been installed by default, and users only need to use the command line to operate it. The following are some commonly used Yum commands:

  1. Update Yum package list:

    yum check-update
  2. Install packages:

    yum install <package_name>
  3. Update package:

    yum update
  4. Delete package:

    yum remove <package_name>

Advanced usage of Yum tool

In addition to basic package management functions, the Yum tool also provides some other advanced functions through which software packages can be manipulated more flexibly. Here are some advanced uses:

  1. Search for packages:

    yum search <keywords>
  2. List installed packages:

    yum list installed
  3. Clear cache:

    yum clean all
  4. Resolve dependency issues:

    yum deplist <package_name>

Yum tool configuration file

The configuration files of the Yum tool are located in the /etc/yum.conf and /etc/yum.repos.d/ directories. Users can configure the Yum tool by modifying these configuration files. the behavior of. In the configuration file, users can set parameters such as the Yum server address, proxy server configuration, and software source priority.

Tips on using the Yum tool

  1. Use the quick installation command-y to avoid asking whether to install the package every time:

    yum install -y <package_name>
  2. Use Yum's history query function to view the history of Yum commands:

    yum history
  3. Specify the version of the software package to install:

    yum install <package_name>-

Summary

Through the introduction of this article, readers can have a more comprehensive understanding of the Linux Yum tool. The power and flexibility of the Yum tool make software package management simple and efficient, making it a powerful tool for Linux users. It is hoped that readers can master the use of Yum tools through continuous practice and practice, from entry to proficiency.

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