1.檢視/etc/inittab如下:
# 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
新版本的CentOS 系統裡使用’targets’ 取代了運作級别的概念。系統有兩種預設的’targets’: 多使用者.target 對應之前版本的3 運作級别; 而圖形.target 對應之前的5運作級别。
2.檢視預設的target,執行:
systemctl get-default
3.開機以指令模式啟動,執行:
systemctl set-default multi-user.target
4.開機以圖形界面啟動,執行:
systemctl set-default graphical.target