Fwd: Most directories locked read-only: how to unlock them?
Sorry Miquel, I send my reply to the wrong person and not to the list.
Hi Ken,
I am a newbee but this helped me recover data from a hard drive in
which some idiot superuser deleted the /proc directory and root was no
longer recognized as a valid user.
I used knoppix, as you did, but could only mount the second drive ro.
My solution: With knoppix, in a terminal, I SU'd (from user
"knoppix"). I was never prompted for a su password but was then
able to chmod + chown on the second ide
(/mnt/hdb). After I did this I was able to move important files
from the bad drive to the good drive and recovered most of my data.
While playing, before knoppix, and modifying fstab earlier, I found
that I had neglected to restore fstab after removing the second
drive. During bootup, I found the system would hang up
because it was trying to check the fs on the second drive (that
did not exist anymore) for errors. The solution here was to open
an editor (in knoppix again) and modify fstab again.
My only problem now is recovering mysql and posgresql databases that
were never backed up. Anyone know where the "working data files"
are stored on a Debian (sarge) box? I know it should be somewhere
is /var . What would the naming convention of these files be? I
thought I might try just moving tohe raw data files to the new drive.
Fred
On 1/20/06, Miquel van Smoorenburg <
miquels@cistron.nl> wrote:
In article <[🔎] 43CD6A21.8020007@heard.name" target="_blank" _onclick_="return top.js.OpenExtLink(window,event,this)">[🔎] 43CD6A21.8020007@heard.name>,
Ken Heard <
ken@heard.name> wrote:
>Daniel B. wrote:
>
>> That looks like you mistyped "defaults" as "drfaults" in your
>> /etc/fstab file.
>
> I was well aware that I mistyped "defaults" as my original post
>indicated. I was also aware that this error caused the root directory
>to be mounted read-only. Also as my original post indicated, my first
>query was how to change the mount to read-write without having to
>reinstall the whole operating system.
Simply specify both the directory _and_ the device on the command
line, in that case mount doesn't read fstab.
Eg something like:
mount -n -o remount,rw /dev/sda1 /
Mike.
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