Changing Root Passwords without a Live CD

Lennart Sorensen lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org
Tue Feb 9 20:06:06 UTC 2010


On Tue, Feb 09, 2010 at 02:40:52PM -0500, Robert Brockway wrote:
> -n may be necessary to account for a read-only mtab file:
>
> mount -n -o remount,rw /

mount updates /etc/mtab after doing its work, so in this case it isn't
necesary.

> The only other thing I'll add is that the system probably won't reboot  
> cleanly if you have used init=/bin/bash so remount the filesystem  
> read-only before rebooting or resetting.
>
> mount -n -o remount,ro /

Yes, or at least do a sync first.  reboot does seem to tell the kernel
to do a reboot, which does sync the filesystem at least, but it never
hurts to be paranoid.

-- 
Len Sorensen
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