Re: sudo python PermissionError [Errno 13] Permission denied

From	Benoit Izac <use.reply.to@INVALID.ADDRESS>
Newsgroups	fr.comp.lang.python
Subject	Re: sudo python PermissionError [Errno 13] Permission denied
Date	2020-12-18 18:38 +0100
Message-ID	<87y2hv580e.fsf@izac.org> (permalink)
References	(2 earlier) <cb8f58c6-a33f-4e75-b97a-d024586c890fn@googlegroups.com> <5fdbdbe6$0$3275$426a74cc@news.free.fr> <87a6ubi9ak.fsf@universite-de-strasbourg.fr.invalid> <16c8f5ba-5c7a-4b21-b8e6-fd0f1787449en@googlegroups.com> <e436753b-6f5c-4f70-b233-2cad7b160587n@googlegroups.com>

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Bonjour,

Le 18/12/2020 à 15:20, "pata...@gmail.com" <patatetom@gmail.com> a écrit
dans le message
<e436753b-6f5c-4f70-b233-2cad7b160587n@googlegroups.com> :

> $ sudo ./append
> Traceback (most recent call last):
>   File "/tmp/./append", line 2, in <module>
>     with open('/test/test', 'a'): pass
> PermissionError: [Errno 13] Permission denied: '/test/test'
> $ sudo rm /test/test
>
> je pensais qu'éventuellement cela pouvait venir du fait que /tmp/ est
> monté en tmpfs, mais non car le dossier /test/ a le même comportement.

Je pense que l'explication se trouve ici :
<https://unix.stackexchange.com/questions/503111/group-permissions-for-root-not-working-in-tmp>.

En résumé, c'est propre à Linux et relativement récent. Pour revenir
à un comportement plus "classique" : « sysctl fs.protected_regular=0 ».

-- 
Benoit Izac

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sudo python PermissionError [Errno 13] Permission denied "pata...@gmail.com" <patatetom@gmail.com> - 2020-12-17 01:56 -0800
  Re: sudo python PermissionError [Errno 13] Permission denied yamo' <yamo@beurdin.invalid> - 2020-12-17 12:16 +0100
    Re: sudo python PermissionError [Errno 13] Permission denied "pata...@gmail.com" <patatetom@gmail.com> - 2020-12-17 04:28 -0800
      Re: sudo python PermissionError [Errno 13] Permission denied Francois Lafont <francois.lafont@nospam.invalid> - 2020-12-17 23:29 +0100
        Re: sudo python PermissionError [Errno 13] Permission denied Alain Ketterlin <alain@universite-de-strasbourg.fr.invalid> - 2020-12-18 13:32 +0100
          Re: sudo python PermissionError [Errno 13] Permission denied "pata...@gmail.com" <patatetom@gmail.com> - 2020-12-18 06:03 -0800
            Re: sudo python PermissionError [Errno 13] Permission denied "pata...@gmail.com" <patatetom@gmail.com> - 2020-12-18 06:20 -0800
              Re: sudo python PermissionError [Errno 13] Permission denied Benoit Izac <use.reply.to@INVALID.ADDRESS> - 2020-12-18 18:38 +0100
                Re: sudo python PermissionError [Errno 13] Permission denied Francois Lafont <francois.lafont@nospam.invalid> - 2020-12-19 02:59 +0100
                Re: sudo python PermissionError [Errno 13] Permission denied "pata...@gmail.com" <patatetom@gmail.com> - 2020-12-23 03:12 -0800
            Re: sudo python PermissionError [Errno 13] Permission denied Alain Ketterlin <alain@universite-de-strasbourg.fr.invalid> - 2020-12-21 08:01 +0100
              Re: sudo python PermissionError [Errno 13] Permission denied "pata...@gmail.com" <patatetom@gmail.com> - 2020-12-23 03:27 -0800
                Re: sudo python PermissionError [Errno 13] Permission denied Alain Ketterlin <alain@universite-de-strasbourg.fr.invalid> - 2020-12-26 18:47 +0100
                Re: sudo python PermissionError [Errno 13] Permission denied "pata...@gmail.com" <patatetom@gmail.com> - 2021-01-07 07:49 -0800

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