Exploring Linux Yum Tools: A Brief Introduction and Practical Guide

In today's digital era, technology in the field of computer science is changing with each passing day, and operating systems, as the core of computer software systems, are also constantly evolving and innovating. Among them, Linux, as an open source operating system, has received widespread attention and application. In Linux systems, the Yum tool serves as a package manager and plays a vital role in the installation, deletion and update of software. This article will briefly introduce the Yum tool and provide usage guidelines to help readers better use this tool to manage software packages in Linux systems.

1. Introduction to Yum tool

Yum, full name Yellowdog Updater Modified, is a software package manager based on RPM package management. It is mainly used to install, delete and update software in Linux systems. Bag. The Yum tool simplifies the process of managing software by automatically resolving dependencies between software packages, greatly improving the ease of use and efficiency of the operating system.

2. Installation of Yum tool

In most Linux distributions, the Yum tool has been pre-installed in the system and users can use it directly. If Yum is not installed in the system, you can install it in the terminal through the following command:

sudo apt-get install yum

3. Basic usage guide of the Yum tool

1. Update software package list

Enter the following command in the terminal to update the Yum package list:

sudo yum check-update

2. Search for packages

Users can search for specific packages through the following command:

yum search <package_name>

3. Install package

To install a specific package, use the following command :

sudo yum install <package_name>

4. Update packages

To update packages in your system, use the following command:

sudo yum update

5. Delete software package

To delete a software package from the system, use the following command:

sudo yum remove <package_name>

6. Display package information

Users can display information about specific software packages through the following command:

yum info <package_name>

4. Advanced functions of Yum tool

1. Add Software source

Users can add customized files by editing the .repo file in the /etc/yum.repos.d/ directory Software repository for a wider selection of software packages.

2. List installed software packages

You can list all installed software packages in the system through the following command:

yum list installed

3. Clean up the old kernel

Use the following command to clean up the old kernel version in the system and free up disk space:

sudo package-cleanup --oldkernels

Conclusion

In short, the Yum tool, as a package manager in Linux systems, greatly simplifies the software management and update process and improves user work efficiency. By learning and mastering the use of Yum tools, users can better manage software packages in the system, making the operating system more stable, secure, and efficient. I hope this article will help readers understand and use the Yum tool.

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