Den 26/08/2017 18:41, skrev Hendrik Boom:

> On Sat, Aug 26, 2017 at 10:36:16AM +0200, Edward Bartolo wrote:
>> There is a betwitched command, tar, that can be used to create
>> archives of any directory. So, the obvious action to me is, make a
>> tar.gz archive before deleting any system directory. That way, you
>> will be empowered with recovery in the ill fated event of breakage. In
>> the event of boot failure you can use the backup (.tar.gz) file to
>> repair the damage restoring bootability.
>
> Assuming, of course, that you have some other way of booting the
> machine so you can still run commands to restore the files.

You always have a live dvd/usbstick to boot from.
--
Hilsen Harald