Tag Archives: Linux

ACL on Linux

Rights management on Linux is enough for most use.
In a few words, a file or a directory belongs to the owner and what you can do is positionning some right to this owner, to his group or all other users (= guests).
This is not bad, but sometimes you (or your application) may need more advanced right management, as on the latest windows versions : putting several owners with different rights, inheritance, etc.
There are named ACL (Access List Management) and they are supported on Linux also.
This is not going to be an how-to but just a brief informative introduction to ACL on Linux. You will find many how-to on the web if you need more.

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Webmin

If you work with Webmin on Debian, you may have some problems when you download a module which is not available in a package (i.e, Amavis).

When you try to access to it, it may fail and give back an error message like :
Undefined subroutine &main::init_config called at /usr/local/share/webmin/<your_module>/…
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