Detailed explanation of installing GNOME graphical interface on CentOS 7

The following tutorial column of centos will introduce to you how to install the GNOME graphical interface on CentOS 7. I hope it will be helpful to friends in need!

1. Install the graphical user interface X Window System. In the command window, enter:

yum groupinstall "X Window System"

A prompt will appear when the installation is completed. complete!

Tip: The X Window System itself is a very complex graphical operating environment. We can divide it into 3 parts, namely X Server, X Client and X Protocol. X Server mainly processes input and output information, X Client performs most of the computing functions of applications, and X Protocol establishes a communication channel between X Server and X Client.
X Window uses software tools and architecture protocols to create graphical user interfaces for operating systems. Since then, it has gradually expanded to apply to a variety of other operating systems. Almost all operating systems can support and use X Window, GNOME and KDE are also built based on X Window.

2. To install the graphical interface gnome, enter in the command window:

yum groupinstall "GNOME Desktop"

After the installation is completed, you will also be prompted to compete!

Tips: To check the installed software and the software that can be installed, use the command yum grouplist

3. Also under the root user authority, set the default startup mode of the centos system. Enter the command as follows:

systemctl set-default multi-user.target  //设置成命令模式
systemctl set-default graphical.target  //设置成图形模式

Note: centos7 and centos6 are set in different ways!

4, just restart the system.

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