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System Rescue

One of the many reasons for using Linux is to protect yourself against loss of data and system data. Obviously nothing can insure you 100% against either of these, but on Linux there is the advantage of having control over the system to the point that if it is possible to recover a downed system, you are able to recover at least your data.

This wouldn't be a chapter about system recovery without the obligatory admonishment that the best prevention against data disaster is backing-up your data in the first place. It may be obligatory, but that doesn't mean it's any less true. If you want to guarantee that your data is safe, back it up.

With that said, these are the different steps you can take to recover a system, in the order of the least serious to the most serious.

Forgot your password

Forgot the root password

What to do if your OS dies

Dying hard drive