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

Groups > comp.os.linux.misc > #87613

Re: The boring Linux habit that saves machines

From "Carlos E.R." <robin_listas@es.invalid>
Newsgroups comp.os.linux.misc
Subject Re: The boring Linux habit that saves machines
Date 2026-06-06 20:49 +0200
Organization Tebibyte_Retro_Gaming
Message-ID <6n6efmxn27.ln2@Telcontar.valinor> (permalink)
References (5 earlier) <P-WdndaQg9mveIb3nZ2dnZfqn_udnZ2d@giganews.com> <c666a26d150d22509e46@dev.null> <1100na0$1nk20$3@dont-email.me> <h48dfmxig7.ln2@Telcontar.valinor> <1101ovp$20ufg$1@dont-email.me>

Show all headers | View raw

On 2026-06-06 20:30, Rich wrote:
> Carlos E.R. <robin_listas@es.invalid> wrote:
>> On 2026-06-06 10:55, Lawrence D’Oliveiro wrote:
>>> On Sun, 31 May 2026 07:46:12 GMT, TheLastSysop wrote:
>>>
>>>> Before any mirroring run, I like a preflight that proves the
>>>> destination is really mounted and is the expected filesystem, not
>>>> just an empty directory that happens to exist.
>>>
>>> Been there, done that.  The simple fix is to make the mount-point
>>> directory read-only.  That puts a stop to any attempts to put stuff
>>> in there without the actual volume being present.
>>
>> That simple?
> 
> Yep
> 
>> Does this work? Wow.
> 
> It does, for non-root users.  But not for root using standard Unix
> permissions.  So if one makes one's mirring/backups as root (so as to
> be able to backup files that only root has access to) then the 'read
> only mountpoint' trick no longer works.

Ah, that's important. I do my backups as root.

> 
> Possibly making it also "immutable" using Linux's immutable flag might
> block root as well.
> 
> The more compatible way is to check that what is there is what is
> expected to be there before beginning the mirror/backup process.  I.e.,
> what TheLastSysop recommended.
> 


-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

Back to comp.os.linux.misc | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-05-30 22:28 +0000
  Re: The boring Linux habit that saves machines c186282 <c186282@nnada.net> - 2026-05-30 23:51 -0400
    Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-05-31 04:23 +0000
      Re: The boring Linux habit that saves machines c186282 <c186282@nnada.net> - 2026-05-31 02:26 -0400
        Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-05-31 06:41 +0000
          Re: The boring Linux habit that saves machines c186282 <c186282@nnada.net> - 2026-05-31 03:37 -0400
            Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-05-31 07:46 +0000
              Re: The boring Linux habit that saves machines Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-06-06 08:55 +0000
                Re: The boring Linux habit that saves machines "Carlos E.R." <robin_listas@es.invalid> - 2026-06-06 12:07 +0200
                Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-06-06 10:14 +0000
                Re: The boring Linux habit that saves machines "Carlos E.R." <robin_listas@es.invalid> - 2026-06-06 13:06 +0200
                Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-06-06 11:12 +0000
                Re: The boring Linux habit that saves machines Rich <rich@example.invalid> - 2026-06-06 18:30 +0000
                Re: The boring Linux habit that saves machines "Carlos E.R." <robin_listas@es.invalid> - 2026-06-06 20:49 +0200
          Re: The boring Linux habit that saves machines Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-06-06 09:07 +0000
          Re: The boring Linux habit that saves machines Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-06-06 09:10 +0000
      Re: The boring Linux habit that saves machines Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2026-06-01 12:20 +0300
        Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-06-01 09:38 +0000
          Re: The boring Linux habit that saves machines c186282 <c186282@nnada.net> - 2026-06-02 02:20 -0400
            Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-06-02 11:08 +0000
              Re: The boring Linux habit that saves machines c186282 <c186282@nnada.net> - 2026-06-02 23:58 -0400
                Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-06-04 11:47 +0000
                Re: The boring Linux habit that saves machines c186282 <c186282@nnada.net> - 2026-06-04 11:57 -0400
                Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-06-05 12:53 +0000
                Re: The boring Linux habit that saves machines Richard Kettlewell <invalid@invalid.invalid> - 2026-06-05 17:35 +0100
                Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-06-05 16:42 +0000
                Re: The boring Linux habit that saves machines c186282 <c186282@nnada.net> - 2026-06-06 00:06 -0400
                Re: The boring Linux habit that saves machines Richard Kettlewell <invalid@invalid.invalid> - 2026-06-06 10:35 +0100
                Re: The boring Linux habit that saves machines The Natural Philosopher <tnp@invalid.invalid> - 2026-06-06 10:39 +0100
                Re: The boring Linux habit that saves machines c186282 <c186282@nnada.net> - 2026-06-05 23:55 -0400
                Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-06-06 09:40 +0000
                Re: The boring Linux habit that saves machines Rich <rich@example.invalid> - 2026-06-06 18:42 +0000
              Re: The boring Linux habit that saves machines Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-06-06 08:53 +0000
          Re: The boring Linux habit that saves machines Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-06-06 08:52 +0000
      Re: The boring Linux habit that saves machines Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-06-06 06:41 +0000
        Re: The boring Linux habit that saves machines c186282 <c186282@nnada.net> - 2026-06-06 03:07 -0400
          Re: The boring Linux habit that saves machines "Carlos E.R." <robin_listas@es.invalid> - 2026-06-06 13:28 +0200
          Re: The boring Linux habit that saves machines rbowman <bowman@montana.com> - 2026-06-06 19:16 +0000
        Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-06-06 09:40 +0000
  Re: The boring Linux habit that saves machines "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2026-05-31 16:43 +0800
    Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-05-31 08:48 +0000
    Re: The boring Linux habit that saves machines Stéphane CARPENTIER <sc@fiat-linux.fr> - 2026-05-31 10:16 +0000
      Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-05-31 10:22 +0000
  Re: The boring Linux habit that saves machines Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-06-06 06:38 +0000
    Re: The boring Linux habit that saves machines c186282 <c186282@nnada.net> - 2026-06-06 03:04 -0400
      Re: The boring Linux habit that saves machines "Carlos E.R." <robin_listas@es.invalid> - 2026-06-06 13:32 +0200
        Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-06-06 11:34 +0000
          Re: The boring Linux habit that saves machines "Carlos E.R." <robin_listas@es.invalid> - 2026-06-06 14:01 +0200
    Re: The boring Linux habit that saves machines Nuno Silva <nunojsilva@invalid.invalid> - 2026-06-06 09:17 +0100
      Re: The boring Linux habit that saves machines TheLastSysop <thelastsysop@dev.null> - 2026-06-06 09:40 +0000

csiph-web