安装 GNOME 桌面后想设置默认启动桌面环境, 结果发现 centos 7 的 / etc/inittab 文件和 centos 6 不一样了, 特记录 centos 7 设置开机启动级别方法
- 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
通过该文件可以看出 centos 7 用 targets 代替了启动级别的设置
multi-user.target 类似于 级别 3
graphical.target 类似于 级别 5
获取当前运行级别
systemctl get-default
设置运行级别为 3
systemctl set-default multi-user.target
设置运行级别为 5
systemctl set-default graphical.target
来源: http://www.bubuko.com/infodetail-2524635.html