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Installation GUI graphical interface under centOS7
https://www.cnblogs.com/c-xiaohai/p/6509641.html
1 , How to install GUI graphical interface under centOS7
When you install centOS7 server version, the system is not installed by default GUI graphical interface program, the need to manually install CentOS7 Gnome GUI package.
2 , is mounted in the system using the command gnome GUI application
Before installing the Gnome package, you need to check the installation source (yum) is normal, because of the need in the yum command to install the gnome package.
The first step: check whether yum install, and if the network has a network. If both of which are not, to solve the network, in addressing the yum installation.
(Configuration steps can check my blog post -centOS- configure the network address - steps to achieve)
Step two: Enter the following commands at a command line to install Gnome package.
# yum groupinstall "GNOME Desktop" "Graphical Administration Tools"
The third step: updating the system run level.
# Ln -sf /lib/systemd/system/runlevel5.target /etc/systemd/system/default.target
Step four: reboot the machine. The default boot into the graphical interface.
# reboot
3 , after the system boots directly into the graphical interface
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