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Re: File permission confusion [Debian 9.1 with MATE]

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On 01/01/2018 12:32 PM, Thomas Schmitt wrote:
> Hi,
>
> Richard Owlett
>> I used "linux tutorial chmod chattr" [w/o quotes] in both DuckDuckGo
>> and Google.
>
> A general search topic would be "linux file permissions" and "chattr".

I did a DuckDuckGo search adding "tutorial" and got what I had been 
aiming at with my original searches. Thanks.

>
> I can show you an example shell session on an ext4 filesystem.
>
> I create a directory with a file and take away w-permissions:
>
>   $ cd /home/thomas/test
>   $ mkdir my_private_dir
>   $ echo private_content >my_private_dir/my_private_file
>   $ chmod a-w my_private_dir/my_private_file
>   $ chmod a-w my_private_dir
>
> Now normal users including myelf cannot change the file content and
> cannot rename or remove the file

That is my goal. I think doing all but the last step, examining the 
result, doing the last step, examining that result, and examining the 
differences will be educational. I suspect there is an AHAAA moment in 
my future :}

I've not yet gone deeply enough in the material I've been given.
I believe I have a homework assignment. Retirement does create 
opportunities.

> [snipping prior to futher study study]
>
> I can of course not comment on what particular GUI tools do when they
> promise the user to make something "Read-only".
> (... or what systemd is willing to do for its clients ....)
>

Understood. You might add "How it will be interpreted by a Windows 
refugee :/
Thanks again.

>
> Have a nice day :)
>
> Thomas
>
>

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Thread

File permission confusion [Debian 9.1 with MATE] Richard Owlett <rowlett@cloud85.net> - 2018-01-01 12:30 +0100
  Re: File permission confusion [Debian 9.1 with MATE] Mark Fletcher <mark27q1@gmail.com> - 2018-01-01 12:40 +0100
  [ADDENDUM] File permission confusion [Debian 9.1 with MATE] Richard Owlett <rowlett@cloud85.net> - 2018-01-01 12:40 +0100
    Re: File permission confusion [Debian 9.1 with MATE] "Thomas Schmitt" <scdbackup@gmx.net> - 2018-01-01 13:10 +0100
      Re: File permission confusion [Debian 9.1 with MATE] Richard Owlett <rowlett@cloud85.net> - 2018-01-01 18:00 +0100
        Re: File permission confusion [Debian 9.1 with MATE] Dan Purgert <dan@djph.net> - 2018-01-01 19:30 +0100
          Re: File permission confusion [Debian 9.1 with MATE] <tomas@tuxteam.de> - 2018-01-01 19:40 +0100
            Re: File permission confusion [Debian 9.1 with MATE] Dan Purgert <dan@djph.net> - 2018-01-02 12:10 +0100
        Re: File permission confusion [Debian 9.1 with MATE] "Thomas Schmitt" <scdbackup@gmx.net> - 2018-01-01 19:40 +0100
          Re: File permission confusion [Debian 9.1 with MATE] Richard Owlett <rowlett@cloud85.net> - 2018-01-02 15:10 +0100
        Re: File permission confusion [Debian 9.1 with MATE] Eduardo M KALINOWSKI <eduardo@kalinowski.com.br> - 2018-01-02 13:40 +0100
          Re: File permission confusion [Debian 9.1 with MATE] Richard Owlett <rowlett@cloud85.net> - 2018-01-02 15:20 +0100
            Re: File permission confusion [Debian 9.1 with MATE] "Thomas Schmitt" <scdbackup@gmx.net> - 2018-01-02 16:40 +0100
              Re: File permission confusion [Debian 9.1 with MATE] Brian <ad44@cityscape.co.uk> - 2018-01-02 19:40 +0100
                Re: File permission confusion [Debian 9.1 with MATE] Greg Wooledge <wooledg@eeg.ccf.org> - 2018-01-02 19:40 +0100
                Re: File permission confusion [Debian 9.1 with MATE] Brian <ad44@cityscape.co.uk> - 2018-01-02 19:50 +0100
                Re: File permission confusion [Debian 9.1 with MATE] Richard Owlett <rowlett@cloud85.net> - 2018-01-02 20:40 +0100
                Re: File permission confusion [Debian 9.1 with MATE] Brian <ad44@cityscape.co.uk> - 2018-01-02 21:10 +0100
                Re: File permission confusion [Debian 9.1 with MATE] Curt <curty@free.fr> - 2018-01-02 22:20 +0100
                Re: File permission confusion [Debian 9.1 with MATE] Dan Purgert <dan@djph.net> - 2018-01-02 21:30 +0100
                Re: File permission confusion [Debian 9.1 with MATE] Brian <ad44@cityscape.co.uk> - 2018-01-02 21:50 +0100
                Re: File permission confusion [Debian 9.1 with MATE] Dan Purgert <dan@djph.net> - 2018-01-03 00:20 +0100
                Re: File permission confusion [Debian 9.1 with MATE] "Thomas Schmitt" <scdbackup@gmx.net> - 2018-01-02 21:10 +0100
                Re: File permission confusion [Debian 9.1 with MATE] Brian <ad44@cityscape.co.uk> - 2018-01-02 21:40 +0100
                Re: File permission confusion [Debian 9.1 with MATE] Richard Hector <richard@walnut.gen.nz> - 2018-01-06 06:20 +0100
    Re: [ADDENDUM] File permission confusion [Debian 9.1 with MATE] Brian <ad44@cityscape.co.uk> - 2018-01-01 13:10 +0100
    Re: [ADDENDUM] File permission confusion [Debian 9.1 with MATE] Brian <ad44@cityscape.co.uk> - 2018-01-01 20:40 +0100
  Re: File permission confusion [Debian 9.1 with MATE] David Wright <deblis@lionunicorn.co.uk> - 2018-01-01 17:30 +0100
    Re: File permission confusion [Debian 9.1 with MATE] Richard Owlett <rowlett@cloud85.net> - 2018-01-01 18:30 +0100
      Re: File permission confusion [Debian 9.1 with MATE] Michael Stone <mstone@debian.org> - 2018-01-01 18:40 +0100
        Re: File permission confusion [Debian 9.1 with MATE] Richard Owlett <rowlett@cloud85.net> - 2018-01-01 18:50 +0100
          Re: File permission confusion [Debian 9.1 with MATE] Michael Stone <mstone@debian.org> - 2018-01-01 19:10 +0100
            Re: File permission confusion [Debian 9.1 with MATE] <tomas@tuxteam.de> - 2018-01-01 19:20 +0100
              Re: File permission confusion [Debian 9.1 with MATE] Michael Stone <mstone@debian.org> - 2018-01-01 19:40 +0100
                Re: File permission confusion [Debian 9.1 with MATE] Greg Wooledge <wooledg@eeg.ccf.org> - 2018-01-02 15:30 +0100
                Re: File permission confusion [Debian 9.1 with MATE] Michael Stone <mstone@debian.org> - 2018-01-02 23:50 +0100
          Re: File permission confusion [Debian 9.1 with MATE] <tomas@tuxteam.de> - 2018-01-01 19:20 +0100

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