昆明seo博客南网站建设,可以写程序的软件,wordpress会员浏览器,如何seo推广当CentOS操作系统崩溃#xff0c;无法正常启动时#xff0c;可以通过救援模式或者紧急模式进行系统登录。启动CentOS, 当出现下面界面时#xff0c;按e进入编辑界面。在编辑界面里#xff0c;加入参数#xff1a;systemd.unitrescue.target #xff0c;然后Ctrl-X启动进入…当CentOS操作系统崩溃无法正常启动时可以通过救援模式或者紧急模式进行系统登录。启动CentOS, 当出现下面界面时按e进入编辑界面。在编辑界面里加入参数systemd.unitrescue.target 然后Ctrl-X启动进入救援模式。在编辑界面里加入参数systemd.unitemergency.target 然后Ctrl-X进入紧急模式。救援模式与紧急模式可以相互切换Switch to Emergency mode(target)To switch to Emergency target, simply run following command as root:# systemctl emergencyBroadcast message from rootgeeklab on pts/1 (Mon 2016-08-17 00:44:58 EDT):The system is going down to emergency mode NOW!Switch to Rescue mode(target)To switch to rescue target, simply run following command as root:# systemctl rescueBroadcast message from rootgeeklab on pts/0 (Mon 2016-08-17 00:22:44 EDT):The system is going down to rescue mode NOW!参考https://www.thegeekdiary.com/centos-rhel-7-how-to-boot-into-rescue-mode-or-emergency-mode/
