上網查詢centsos設置開機直接進入命令行界面的方法都說修改/etc/inittab文件,將文件中的“ :id:5:initdefault:”改為“ :id:3:initdefault:”,即將默認的runlevel由5改為3,但在CentOS7下打開/etc/inittab頁面顯示如下:
# inittab is no longer used when using systemd. # # ADDING CONFIGURATION HERE WILL HAVE NO EFFECT ON YOUR SYSTEM. # # Ctrl-Alt-Delete is handled by /etc/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 set a default target, run: # # ln -sf /lib/systemd/system/<target name>.target /etc/systemd/system/default.target #
提示說inittab文件已經不被使用,現在CentOS7使用systemd作為新的init系統,而systemd系統使用“target”來代替“runlevel”,默認有兩個主要的target:
multi-user.target:相當於runlevel 3[命令行界面],graphical.target:相當於runlevel 5[圖形界面]
設置默認的target則使用命令:
ln -sf /lib/systemd/system/<target name>.target /etc/systemd/system/default.target
我這里要將CentOS7開機默認進入命令行界面,則運行命令:
# ln -sf /lib/systemd/system/multi-user.target /etc/systemd/system/default.target