how to boot into Rescue mode on centos or Red hat , RHEL | Linux tutorial | Linux rescue mode
In this video you will learn how to boot linux system in the rescue mode.
To boot into Rescue mode on CentOS or Red Hat, you'll need to interrupt the normal boot process by pressing any key when the GRUB boot screen appears. Then, you can edit the boot options to specify rescue mode.
Rescue mode provides the ability to boot a small Red Hat Enterprise Linux environment entirely from CD-ROM, or some other boot method, instead of the system's hard drive.
As the name implies, rescue mode is provided to rescue you from something. During normal operation, your Red Hat Enterprise Linux system uses files located on your system's hard drive to do everything — run programs, store your files, and more.
However, there may be times when you are unable to get Red Hat Enterprise Linux running completely enough to access files on your system's hard drive. Using rescue mode, you can access the files stored on your system's hard drive, even if you cannot actually run Red Hat Enterprise Linux from that hard drive.
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