Read-only user in AIX

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# 1  
Old 09-09-2013
Read-only user in AIX

I want to create a new user,and I want to give read permission to a folder which owned by root.
How can I do this?
thanks for your helps
# 2  
Old 09-09-2013
I doubt that you want to give read-only permission for the directory, because this will effectively deny the user any access to it. You rather want to give read-only permission for the files in the directory, yes?

Well, here is what you said you wanted:
Make the group ownership of the directory and the group membership of the user identical (either by making the directory owned by the a group the user is member of or including the user into the group that owns the directory), then set read-only permission for this group:

chmod g=r o= /path/to/directory

For more information look at the man page of chmod and read the article about UNIX file permissions by Perderabo in the FAQ section.

Alternative possibility, but i advise strongly against using it: implement ACLs.

I hope this helps.

# 3  
Old 09-09-2013
thank you for your reply.I want to create a user serdar,
and there is a file on the system which is owned by root ,the file path is /db/oracle/backups.
I want to give read permisson for user serdar to this file.
The user serdar must only have read this file privileges.

---------- Post updated at 04:52 AM ---------- Previous update was at 04:49 AM ----------

what are the commands that I do this operation
# 4  
Old 09-09-2013
First you need to make sure user "serdar" has read- and execute-rights for the directory the file is in.

Then you have to do as i already suggested for the directory, but with the file: either you make it readable by everyone (that would include your user in question), or you make the group set of the user include the group which owns the file (i suppose you do not want to give the file ownership away from root, otherwise you could have the file directly be owned by the user).

I suggest you really read the mentioned tutorial by perderabo.

what are the commands that I do this operation
We gladly help you to help yourself, but we do not do your work for you. Go, figure it out yourself!

I hope this helps.

# 5  
Old 09-09-2013
I create user using this commands;
useradd -m serdar
passwd serdar
useradd -G serdargroup -m serdar

now how I can give only read permission /db/backup file?

Moderator's Comments:
Mod Comment edit by bakunin: please use CODE-tags when posing code or commands. Thanks.
As this is a very basic question i transfer the thread over to "Unix for Dummies".

Last edited by bakunin; 09-09-2013 at 12:11 PM..
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