Sep 14, 2017

How to Boot into Single User Mode in CentOS/RHEL 7 on VPSie

In this tutorial, we will demonstrate How to Boot into Single User Mode in CentOS/RHEL 7. Login to your VPSie account – Click on your VPS you would like to work on —> Access —> Console access —> Send ALT + CTL + DEL Single user mode is a mode in which a multi-user computer operating system boots into a single superuser. It is mainly used for maintenance of multi-user environments such as network servers. Some tasks may require exclusive access to shared resources. The first thing to do is to open Terminal and log in to you CentOS 7 server. After, restart you server wait for GRUB boot menu to show. Next step is to select your Kernel version and press e key to edit the first boot option.Find the kernel line (starts with “linux16“), then change the ro to rw init=/sysroot/bin/sh . When you have finished, press Ctrl-X or F10 to boot into single user mode After mount root filesystem using the following command:
chroot /sysroot/
Now, to finish this process reboot your server using the following command:
reboot -f
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