Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.debian.user > #257412

Re: /etc/fstab question (problem)?

From David Christensen <dpchrist@holgerdanske.com>
Newsgroups linux.debian.user
Subject Re: /etc/fstab question (problem)?
Date 2023-04-20 00:20 +0200
Message-ID <GmojD-3ags-1@gated-at.bofh.it> (permalink)
References (8 earlier) <GmdRf-347G-3@gated-at.bofh.it> <GmmhP-394m-17@gated-at.bofh.it> <GmndT-39D9-23@gated-at.bofh.it> <Gmnxg-39KT-3@gated-at.bofh.it> <Gmo9X-3ad8-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On 4/19/23 15:03, David Christensen wrote:
> On 4/19/23 14:26, Default User wrote:
>> On Wed, 2023-04-19 at 14:03 -0700, David Christensen wrote:
>>> On 4/19/23 13:06, Default User wrote:
>>>> On Wed, 2023-04-19 at 18:07 +0700, Max Nikulin wrote:
> 
>>>>> Perhaps update-initramfs is necessary after restoring of
>>>>> /etc/fstab
>>>>> in
>>>>> any chosen approach.
> 
>>> But, I cannot address Max's point about initrd(4).
>>>
>>>
>>> At this point, I would run my daily backups, use an editor to put the
>>> original /etc entry back into /etc/fstab, forget about messing with
>>> /etc
>>> on either file system, and reboot.  After reboot, I would run 'df
>>> /etc'
>>> and check where /etc is mounted.  If /etc is "Mounted on /", I would
>>> run
>>> update-initramfs(8), reboot, and look again.
> 
>> I'm afraid I don't quit understand why 'If /etc is "Mounted on /", I
>> would run update-initramfs(8), reboot, and look again."
>>
>>
>> Shouldn't etc always be expected to be mounted under /, as in /etc?
>> For example, right now on my computer:
>>
>> df /etc
>> Filesystem     1K-blocks    Used Available Use% Mounted on
>> /dev/nvme0n1p2  23854928 5841492  16776344  26% /
> 
> 
> /etc is a subdirectory of the / directory on the Unix "one big file 
> system".
> 
> 
> Some file system must be mounted at /.
> 
> 
> Additional file systems must be mounted somewhere beneath /.  Where they 
> are mounted is call the "mountpoint".  Mountpoints are traditionally 
> subdirectories, and traditionally empty.  When a file system is mounted 
> there, the root of that file system is visible as the contents of the 
> mountpoint.
> 
> 
> On my system, the virtual device /dev/mapper/sda4_crypt has a mount 
> point of /.  That file system contains a directory /etc.  So, in the 
> Unix "one big file system", the directories / and /etc both come from 
> the file system on /dev/mapper/sda4_crypt.
> 
> 2023-04-19 14:38:19 root@taz ~
> # df / /etc
> Filesystem             1M-blocks  Used Available Use% Mounted on
> /dev/mapper/sda4_crypt    11145M 7016M     3542M  67% /
> /dev/mapper/sda4_crypt    11145M 7016M     3542M  67% /
> 
> 
> AIUI you want the file system on the the partition /dev/nvme0n1p5 to be 
> mounted at /tmp.  The way to do that is to put the relevant entry back 
> into /etc/fstab:
> 
> UUID=6a105a72-f5d5-441b-b926-1e405151ee84 /tmp ext4 defaults 0 2
> 
> And then reboot.
> 
> 
>> And, would there be anything wrong with, either way, running update-
>> initramfs?
>>
>> Would that be run as:
>>
>> sudo update-initramfs -uv
>>
>> ?
> 
> 
> Unfortunately, more confusion -- there are two Linux "Initial ramdisk" 
> solutions with very similar names -- initrd and initramfs.  Forget about 
> those for now.
> 
> 
> I would add the /etc entry back into /etc/fstab, reboot, run 'df / 
> /etc', and see what happens.


Correction:

add the /tmp entry back into /etc/fstab


> 
> 
> David
> 

Back to linux.debian.user | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


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

csiph-web