Re: /etc/fstab question (problem)?

From	davidson <davidson@freevolt.org>
Newsgroups	linux.debian.user
Subject	Re: /etc/fstab question (problem)?
Date	2023-04-20 01:50 +0200
Message-ID	<GmpIJ-3b0O-1@gated-at.bofh.it> (permalink)
References	(8 earlier) <GmdRf-347G-3@gated-at.bofh.it> <GmmhP-394m-17@gated-at.bofh.it> <GmmKR-39dH-5@gated-at.bofh.it> <Gmn4d-39kc-7@gated-at.bofh.it> <GmndT-39D9-27@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Wed, 19 Apr 2023 Default User wrote:
> On Wed, 2023-04-19 at 16:56 -0400, Default User wrote:
>> 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 . . .
>>
>>
>>
>
>
> Sorry! That should have been: 
>
> sudo cp -r <source> <destination> from the live usb.

Consider the -a option to cp for backup/backdown operations, to
preserve all attributes (including timestamps), recursively copy
directories, and more. Read the manual for details.

-- 
Hackers are free people. They are like artists. If they are in a good
mood, they get up in the morning and begin painting their pictures.
-- Vladimir Putin

Thread

/etc/fstab question (problem)? Default User <hunguponcontent@gmail.com> - 2023-04-18 17:00 +0200
  Re: /etc/fstab question (problem)? Charles Curley <charlescurley@charlescurley.com> - 2023-04-18 17:40 +0200
    Re: /etc/fstab question (problem)? Max Nikulin <manikulin@gmail.com> - 2023-04-18 19:00 +0200
    Re: /etc/fstab question (problem)? <tomas@tuxteam.de> - 2023-04-18 21:10 +0200
      Re: /etc/fstab question (problem)? Tom Furie <tom@furie.org.uk> - 2023-04-18 23:20 +0200
        Re: /etc/fstab question (problem)? <tomas@tuxteam.de> - 2023-04-19 06:40 +0200
          tmp on tmpfs Max Nikulin <manikulin@gmail.com> - 2023-04-19 08:20 +0200
            Re: tmp on tmpfs <tomas@tuxteam.de> - 2023-04-19 08:40 +0200
              Re: tmp on tmpfs Nicolas George <george@nsup.org> - 2023-04-19 09:00 +0200
                Re: tmp on tmpfs tomas@tuxteam.de - 2023-04-19 10:00 +0200
                Re: tmp on tmpfs Celejar <celejar@gmail.com> - 2023-04-24 18:20 +0200
                Re: tmp on tmpfs <tomas@tuxteam.de> - 2023-04-24 19:10 +0200
                Re: tmp on tmpfs Celejar <celejar@gmail.com> - 2023-04-24 19:40 +0200
                Re: tmp on tmpfs Celejar <celejar@gmail.com> - 2023-04-24 18:20 +0200
              Re: tmp on tmpfs Max Nikulin <manikulin@gmail.com> - 2023-04-19 13:10 +0200
                Re: tmp on tmpfs <tomas@tuxteam.de> - 2023-04-19 20:10 +0200
                Re: tmp on tmpfs songbird <songbird@anthive.com> - 2023-04-20 15:00 +0200
              Re: tmp on tmpfs Vincent Lefevre <vincent@vinc17.net> - 2023-04-20 16:20 +0200
                Re: tmp on tmpfs <tomas@tuxteam.de> - 2023-04-20 16:30 +0200
                Re: tmp on tmpfs Vincent Lefevre <vincent@vinc17.net> - 2023-04-20 17:20 +0200
                Re: tmp on tmpfs Jeffrey Walton <noloader@gmail.com> - 2023-04-20 16:30 +0200
                Re: tmp on tmpfs <tomas@tuxteam.de> - 2023-04-20 16:40 +0200
  Re: /etc/fstab question (problem)? songbird <songbird@anthive.com> - 2023-04-18 18:00 +0200
  Re: /etc/fstab question (problem)? David Christensen <dpchrist@holgerdanske.com> - 2023-04-18 22:10 +0200
    Re: /etc/fstab question (problem)? Default User <hunguponcontent@gmail.com> - 2023-04-18 23:50 +0200
      Re: /etc/fstab question (problem)? Greg Wooledge <greg@wooledge.org> - 2023-04-19 00:00 +0200
      Re: /etc/fstab question (problem)? David Christensen <dpchrist@holgerdanske.com> - 2023-04-19 02:00 +0200
        Re: /etc/fstab question (problem)? Default User <hunguponcontent@gmail.com> - 2023-04-19 03:20 +0200
          Re: /etc/fstab question (problem)? Charles Curley <charlescurley@charlescurley.com> - 2023-04-19 04:50 +0200
          Re: /etc/fstab question (problem)? David Christensen <dpchrist@holgerdanske.com> - 2023-04-19 05:00 +0200
          Re: /etc/fstab question (problem)? David Wright <deblis@lionunicorn.co.uk> - 2023-04-19 05:10 +0200
            Re: /etc/fstab question (problem)? Stefan Monnier <monnier@iro.umontreal.ca> - 2023-04-19 05:20 +0200
              Re: /etc/fstab question (problem)? David Christensen <dpchrist@holgerdanske.com> - 2023-04-19 11:20 +0200
                Re: /etc/fstab question (problem)? Max Nikulin <manikulin@gmail.com> - 2023-04-19 13:10 +0200
                Re: /etc/fstab question (problem)? Default User <hunguponcontent@gmail.com> - 2023-04-19 22:10 +0200
                Re: /etc/fstab question (problem)? David Wright <deblis@lionunicorn.co.uk> - 2023-04-19 22:40 +0200
                Re: /etc/fstab question (problem)? Default User <hunguponcontent@gmail.com> - 2023-04-19 23:00 +0200
                Re: /etc/fstab question (problem)? Default User <hunguponcontent@gmail.com> - 2023-04-19 23:10 +0200
                Re: /etc/fstab question (problem)? davidson <davidson@freevolt.org> - 2023-04-20 01:50 +0200
                Re: /etc/fstab question (problem)? Default User <hunguponcontent@gmail.com> - 2023-04-20 03:50 +0200
                Re: /etc/fstab question (problem)? songbird <songbird@anthive.com> - 2023-04-20 15:10 +0200
                Re: /etc/fstab question (problem)? rhkramer@gmail.com - 2023-04-21 11:10 +0200
                Re: /etc/fstab question (problem)? Greg Wooledge <greg@wooledge.org> - 2023-04-21 13:20 +0200
                gitification (was Re: /etc/fstab question (problem)? songbird <songbird@anthive.com> - 2023-04-20 15:00 +0200
                Re: gitification (was Re: /etc/fstab question (problem)? Stefan Monnier <monnier@iro.umontreal.ca> - 2023-04-20 15:40 +0200
                Re: gitification (was Re: /etc/fstab question (problem)? songbird <songbird@anthive.com> - 2023-04-20 20:40 +0200
                Re: gitification (was Re: /etc/fstab question (problem)? Stefan Monnier <monnier@iro.umontreal.ca> - 2023-04-20 22:10 +0200
                Re: gitification (was Re: /etc/fstab question (problem)? songbird <songbird@anthive.com> - 2023-04-21 00:50 +0200
                Re: gitification (was Re: /etc/fstab question (problem)? Jeremy Ardley <jeremy@ardley.org> - 2023-04-21 01:10 +0200
                Re: gitification (was Re: /etc/fstab question (problem)? songbird <songbird@anthive.com> - 2023-04-21 19:50 +0200
                Re: gitification (was Re: /etc/fstab question (problem)? Jeremy Ardley <jeremy@ardley.org> - 2023-04-20 15:40 +0200
                Re: gitification (was Re: /etc/fstab question (problem)? Max Nikulin <manikulin@gmail.com> - 2023-04-20 17:30 +0200
                Re: gitification (was Re: /etc/fstab question (problem)? songbird <songbird@anthive.com> - 2023-04-20 20:30 +0200
                Re: gitification (was Re: /etc/fstab question (problem)? Max Nikulin <manikulin@gmail.com> - 2023-04-22 08:40 +0200
                Re: gitification (was Re: /etc/fstab question (problem)? David Christensen <dpchrist@holgerdanske.com> - 2023-04-20 22:50 +0200
                Re: gitification (was Re: /etc/fstab question (problem)? songbird <songbird@anthive.com> - 2023-04-21 00:50 +0200
                Re: gitification (was Re: /etc/fstab question (problem)? David Christensen <dpchrist@holgerdanske.com> - 2023-04-21 04:40 +0200
                Re: /etc/fstab question (problem)? Dan Ritter <dsr@randomstring.org> - 2023-04-19 22:40 +0200
                Re: /etc/fstab question (problem)? David Christensen <dpchrist@holgerdanske.com> - 2023-04-19 23:10 +0200
                Re: /etc/fstab question (problem)? Default User <hunguponcontent@gmail.com> - 2023-04-19 23:30 +0200
                Re: /etc/fstab question (problem)? David Christensen <dpchrist@holgerdanske.com> - 2023-04-20 00:10 +0200
                Re: /etc/fstab question (problem)? David Christensen <dpchrist@holgerdanske.com> - 2023-04-20 00:20 +0200
                [SOLVED] Re: /etc/fstab question (problem)? Default User <hunguponcontent@gmail.com> - 2023-04-20 02:30 +0200
                Re: [SOLVED] Re: /etc/fstab question (problem)? David Christensen <dpchrist@holgerdanske.com> - 2023-04-20 03:00 +0200
                Re: /etc/fstab question (problem)? Max Nikulin <manikulin@gmail.com> - 2023-04-21 17:20 +0200
                Re: /etc/fstab question (problem)? David Christensen <dpchrist@holgerdanske.com> - 2023-04-22 00:50 +0200
                Re: /etc/fstab question (problem)? David Wright <deblis@lionunicorn.co.uk> - 2023-04-22 17:30 +0200
                Re: /etc/fstab question (problem)? David Christensen <dpchrist@holgerdanske.com> - 2023-04-23 04:00 +0200
                Re: /etc/fstab question (problem)? David Wright <deblis@lionunicorn.co.uk> - 2023-04-23 06:20 +0200
                Re: /etc/fstab question (problem)? David Christensen <dpchrist@holgerdanske.com> - 2023-04-23 10:20 +0200
                Re: /etc/fstab question (problem)? Celejar <celejar@gmail.com> - 2023-04-24 18:30 +0200
                Re: /etc/fstab question (problem)? David Wright <deblis@lionunicorn.co.uk> - 2023-04-25 15:00 +0200
                old memory sticks (was Re: /etc/fstab question (problem)? songbird <songbird@anthive.com> - 2023-04-23 17:20 +0200
                [SOLVED]: old memory sticks songbird <songbird@anthive.com> - 2023-04-24 03:50 +0200
                Re: /etc/fstab question (problem)? songbird <songbird@anthive.com> - 2023-04-20 15:10 +0200
                Re: /etc/fstab question (problem)? Max Nikulin <manikulin@gmail.com> - 2023-04-20 17:20 +0200
                Re: /etc/fstab question (problem)? David Wright <deblis@lionunicorn.co.uk> - 2023-04-21 06:30 +0200
                Re: /etc/fstab question (problem)? <tomas@tuxteam.de> - 2023-04-21 06:50 +0200
                Re: /etc/fstab question (problem)? Default User <hunguponcontent@gmail.com> - 2023-04-20 16:30 +0200
                Re: /etc/fstab question (problem)? David Wright <deblis@lionunicorn.co.uk> - 2023-04-19 22:40 +0200
                Re: /etc/fstab question (problem)? Default User <hunguponcontent@gmail.com> - 2023-04-19 22:40 +0200

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