Unable to enter the graphical interface under linux

Because Gnome is not installed, the graphical interface cannot be entered under Linux.

Solution:

1. Enter the following command at the command line to install the Gnome package

yum groupinstall "GNOME Desktop" "Graphical Administration Tools"

2. Update the system's run level

If If you want to automatically enter the graphical interface when the system starts next time, then we need to change the running level of the system and enter the following command to enable the graphical interface.

ln -sf /lib/systemd/system/runlevel5.target /etc/systemd/system/default.target

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There is also a way to set GNOME as the default boot interface (without ctrl alt F1)

1. Enter the command line mode of cenos7

2. Enter "init 3" in the terminal and press Enter to enter the command line mode

3. After successful login systemctl get-default Get the current system startup mode

#View the configuration file

# cat /etc/inittab

Through the above display, the system is currently in command line mode

Change mode command:

systemctl set-default graphical.target

Change from command line mode to graphical interface mode

systemctl set-default multi-user.target

From graphic Change the interface mode to the command line mode

Verify whether it is correct after the change: reboot; the interface is as follows:

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