From the course: Linux: System Maintenance

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Exploring recovery options

Exploring recovery options - Linux Tutorial

From the course: Linux: System Maintenance

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Exploring recovery options

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- [Instructor] If something is preventing your system from booting as normal you can use rescue or emergency mode to explore it and see what may be going on. Depending on what's wrong with your system rescue mode may not work and you may need to employ more extraordinary means of recovery, like a bootable CD or disk image in order to get to your files and look around for problems. Unlike with software a system that's having trouble starting up will rarely give you a specific error so you need to think through what might be causing some issues and do some investigating. Let's take a look at rescue mode. I'm going to restart my system. When I come back to the boot screen I'll press e to edit the entry. Then at the end of the linux16 line I'll add systemd.unit equals rescue.target and I'll continue booting with Control + X. Rescue mode starts out with a minimum of services and puts you into single-user mode. That is, it doesn't let any other users outside of root log into the system. I…

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