NAS permission / linux group

Bon dia,
escriptura català no és el meu punt fort, per això escric en anglès, gràcies per la comprensió.
I have some problems to change permission of my NAS server. I am a little afraid of losing data when changing configuration etc., therefor I would like to meet someone in Barcelona. Is there any "professional" help, like a linux group in Barcelona?
Thanks for your help.
Moltes gracies.
Hi Jens,

for changing permissions in Linux you can use chmod command, it's easy and you'll not remove data.

If you are mounting the shared folders via SAMBA, you will not be available to use it, there are linux file-system commands.


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