Re: /etc/fstab question (problem)?
On Wed, 2023-04-19 at 15:36 -0500, David Wright wrote:
> On Wed 19 Apr 2023 at 16:06:57 (-0400), Default User wrote:
>
> > Anyway, here is where I am at:
> >
> > I have two Clonezilla backups.
> > 1) a full disk backup.
> > 2) a "partitions" backup.
> > So, if things really go bad, I can theoretically revert to the
> > setup as
> > of 2023-04-18, when this thread was started.
> >
> > I also have a backup of the current /tmp directory (from under the
> > /
> > directory).
> > And I have a backup of the old tmp partition.
> >
> > Both of these tmp backups were made using a Debian Stable 11.6
> > Live/install usb thumb drive, as root user.
> >
> > All of these backups are on an external usb hdd.
> >
> > Here is what was in the (root) tmp directory:
> >
> > _root_partition/tmp
> > total 32K
> > 88473604 drwxr-xr-t 8 [user] [user] 4.0K Apr 19 14:18 ./
> > 88473602 drwxr-xr-x 3 [user] [user] 4.0K Apr 19 14:18 ../
> > 88473608 drwxr-xr-t 2 [user] [user] 4.0K Apr 19 14:18 .font-unix/
> > 88473606 drwxr-xr-t 2 [user] [user] 4.0K Apr 19 14:18 .ICE-unix/
> > 88473609 drwxr-xr-t 2 [user] [user] 4.0K Apr 19 14:18 .Test-unix/
> > 88473610 drwx------ 2 [user] [user] 4.0K Apr 19 14:18 tracker-
> > extract-
> > files.116/
> > 88473605 drwxr-xr-t 2 [user] [user] 4.0K Apr 19 14:18 .X11-unix/
> > 88473607 drwxr-xr-t 2 [user] [user] 4.0K Apr 19 14:18 .XIM-unix/
> >
> > And here is what was in the old tmp partition:
> >
> > total 48K
> > 88473611 drwxr-xr-t 10 root root 4.0K Apr 19 14:20 ./
> > 88473603 drwxr-xr-x 3 [user] [user] 4.0K Apr 19 14:20 ../
> > 88473618 drwxr-xr-t 2 root root 4.0K Apr 19 14:20 .font-
> > unix/
> > 88473615 drwxr-xr-t 2 root root 4.0K Apr 19 14:20 .ICE-unix/
> > 88473620 drwx------ 2 root root 4.0K Apr 19 14:20
> > lost+found/
> > 88473619 drwxr-xr-t 2 root root 4.0K Apr 19 14:20 .Test-
> > unix/
> > 88473624 drwx------ 2 root root 4.0K Apr 19 14:20 tracker-
> > extract-files.1000/
> > 88473623 drwx------ 2 root root 4.0K Apr 19 14:20 tracker-
> > extract-files.116/
> > 88473621 -r--r--r-- 1 root root 11 Apr 19 14:20 .X1024-
> > lock
> > 88473622 -r--r--r-- 1 root root 11 Apr 19 14:20 .X1025-
> > lock
> > 88473612 drwxr-xr-t 2 root root 4.0K Apr 19 14:20 .X11-unix/
> > 88473617 drwxr-xr-t 2 root root 4.0K Apr 19 14:20 .XIM-unix/
> >
> > As far as I can tell, there is nothing crucial in either tmp
> > backup.
> >
> > BTW, I know nothing about bind or mount --bind. I looked them up
> > briefly, and decided that they are too difficult and maybe
> > dangerous to
> > try to learn and use under the current circumstances.
> >
> > So here is what I am thinking of doing:
> >
> > While running from within the Debian Stable 11.6 Live/install usb
> > thumb
> > drive, as root user:
> >
> > 1) On the computer's internal ssd, delete the /tmp directory and
> > its
> > contents.
> >
> > 2) On the computer's internal ssd, delete the contents of the old
> > tmp
> > partition, but not the partition itself.
> >
> > 3) On the computer's internal ssd, replace /etc/fstab with
> > /etc/fstab.original, renaming it /etc/fstab. I have already made a
> > copy
> > of the current /etc/fstab as /etc/fstab.as-of-2023-04-19.
> >
> > The UUIDs of all partitions on computer's internal ssd seem to be
> > the
> > same as in /etc/fstab.original.
> >
> > (Note: in /etc/fstab.original, it states "Please run 'systemctl
> > daemon-
> > reload' after making changes here." Since I am doing all this from
> > a
> > live usb, I do not think that applies, so I would skip that.)
> >
> > Then I would shut down, remove the usb thumb drive, and boot into
> > the
> > Debian system on the computer's internal ssd.
> >
> > I hope that from then on, the system would mount the old tmp
> > partition
> > on the computer's internal ssd as /tmp, re-populating it
> > automatically,
> > and use it as such from then on.
> >
> > Does that seem reasonable?
> >
> > Or am I missing something, obvious or not.
>
> I see nothing unreasonable. The only oddity to me is that the
> listings
> you give (which are from the backups, I assume) have today's date,
> which means that the backup method is not preserving the file
> metadata.
> (If you've not used partition 5 for a while, the dates should be
> old.)
> It doesn't affect what you're doing now, as all the originals are
> heading into oblivion, but I'd be reading the backup spec sometime
> to see if I could improve that.
>
> Cheers,
> David.
>
IIRC, I just did:
sudo <source> <destination> from the live usb.
I didn't think about the changed times.
Perhaps I should have used rsync . . .
Grrr . . .
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