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CentOS7 安装和卸载GNOME

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前言:

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如何安装GNOME

只需要三步:

sudo yum -y groups install "GNOME Desktop"

sudo systemctl set-default graphical.target

sudo reboot

如何卸载GNOME

sudo yum groupremove "GNOME Desktop"

查看当前所处模式:

查看系统的2种启动模式:

vi /etc/inittab

//查询当前的默认设置:

systemctl get-default

//启动切换图形化界面:

startx

//设置默认启动为图形化界面:

systemctl set-default graphical.target

//设置默认启动为命令行界面:

systemctl set-default multi-user.target

//命令行界面切换到图形界面:

init 5

//图形界面热切换到命令行界面:

init 3

说明文件:

[root@localhost test]# cat /etc/inittab

# inittab is no longer used when using systemd.

# ADDING CONFIGURATION HERE WILL HAVE NO EFFECT ON YOUR SYSTEM.

# Ctrl-Alt-Delete is handled by /usr/lib/systemd/system/ctrl-alt-del.target

# systemd uses 'targets' instead of runlevels. By default, there are two main targets:

# multi-user.target: analogous to runlevel 3

# graphical.target: analogous to runlevel 5

# To view current default target, run:

# systemctl get-default

# To set a default target, run:

# systemctl set-default TARGET.target

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