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Looking For ACLs

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  Looking For ACLs Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-03-31 06:33 +0000
    Re: Looking For ACLs "Carlos E.R." <robin_listas@es.invalid> - 2026-03-31 11:41 +0200
      Re: Looking For ACLs Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2026-03-31 08:54 -0700
      Re: Looking For ACLs Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-03-31 21:26 +0000
    Re: Looking For ACLs jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-04-01 18:19 -0400
      Re: Looking For ACLs Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-01 23:06 +0000

#84808 — Looking For ACLs

I did a hunt through some likely places on my Linux installation,
looking for files or directories which have ACLs attached, just to
test some software of mine.

And there doesn’t seem to be a lot on a basic Linux installation. The
systemd journal area has some, as does the LXC container-building
cache. But nothing else, at least in /var, /etc or /usr, that I can
see.

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#84827

On 2026-03-31 08:33, Lawrence D’Oliveiro wrote:
> I did a hunt through some likely places on my Linux installation,
> looking for files or directories which have ACLs attached, just to
> test some software of mine.
> 
> And there doesn’t seem to be a lot on a basic Linux installation. The
> systemd journal area has some, as does the LXC container-building
> cache. But nothing else, at least in /var, /etc or /usr, that I can
> see.

/dev should have some.

-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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#84885

On 3/31/26 02:41, Carlos E.R. wrote:
> On 2026-03-31 08:33, Lawrence D’Oliveiro wrote:
>> I did a hunt through some likely places on my Linux installation,
>> looking for files or directories which have ACLs attached, just to
>> test some software of mine.
>>
>> And there doesn’t seem to be a lot on a basic Linux installation. The
>> systemd journal area has some, as does the LXC container-building
>> cache. But nothing else, at least in /var, /etc or /usr, that I can
>> see.
> 
> /dev should have some.
> 

	My distro, PCLinuxOS recently changed its Installation method
and published a multi-language document to aid the newer users and
older ones who did not pay much attention to the changes described
at our online Forum.  Anyone can access it at the following URL:
<https://ftp.nluug.nl/pub/os/Linux/distr/pclinuxos/pclinuxos/iso/>
as well as the several iso files in the mainline.  We have other
Desktop Environments as well but less accessible as well as
a Debian based distribution to get stuff from those capacious
Debian repositories.  The Forum can be accessed without registration
but full participation requires registration.

bliss- Dell Precision 7730- PCLOS 2026.03- Linux 6.12.79 pclos1- KDE 
Plasma 6.6.3

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#84915

On Tue, 31 Mar 2026 11:41:22 +0200, Carlos E.R. wrote:

> On 2026-03-31 08:33, Lawrence D’Oliveiro wrote:
>>
>> I did a hunt through some likely places on my Linux installation,
>> looking for files or directories which have ACLs attached, just to
>> test some software of mine.
>>
>> And there doesn’t seem to be a lot on a basic Linux installation.
>> The systemd journal area has some, as does the LXC
>> container-building cache. But nothing else, at least in /var, /etc
>> or /usr, that I can see.
>
> /dev should have some.

Yes, I see a bunch of them, thanks.

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#85073

Lawrence D’Oliveiro <ldo@nz.invalid> writes:

> I did a hunt through some likely places on my Linux installation,
> looking for files or directories which have ACLs attached, just to
> test some software of mine.
They have "+" after the permissions listing area.

crw-rw----+  1 root   video    81,   0 Mar 19 13:00 video0
crw-rw----+  1 root   video    81,   1 Mar 19 13:00 video1

getfacl /dev/video0
getfacl: Removing leading '/' from absolute path names
# file: dev/video0
# owner: root
# group: video
user::rw-
user:jayjwa:rw-
group::rw-
mask::rw-
other::---

-- 
PGP Key ID: 781C A3E2 C6ED 70A6 B356  7AF5 B510 542E D460 5CAE
       "The Internet should always be the Wild West!"

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#85077

On Wed, 01 Apr 2026 18:19:21 -0400, jayjwa wrote:

> Lawrence D’Oliveiro <ldo@nz.invalid> writes:
>
>> I did a hunt through some likely places on my Linux installation,
>> looking for files or directories which have ACLs attached, just to
>> test some software of mine.
>>
> They have "+" after the permissions listing area.

One of those tests was a simple script that produced no output, but
returned a success exit status if the file/directory it was given had
an ACL attached, or a failure status if not.

I then used this script with the -exec option to the “find” command,
to do a scan of my filesystem.

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