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new directory - how to force files created in it to inherit grp,own and permissions

 
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# 1  
Old 04-26-2002
new directory - how to force files created in it to inherit grp,own and permissions
Hi, I'm new to unix -solaris.

I've just upgraded a third party software product and am testing
it to see if new files created in a test database directory were being created properly and they aren't. They're owned by the user that created the file, instead of poppa and the group of their files is not always momma - see below..

I created a directory and set owner, group and permissions on it as follows :

mkdir /tempdb
chown poppa tempdb
chgrp momma tempdb
chmod 660 tempdb

My question is - how do I force files created in this directory to inherit the owner and group and permissions of the directory itself ?

All users with access to log in to this sun box will need to share these files.

Thanks in advance if anyone can help me.
Is it umask I need or setacl ?
I've read the umask man page but it's a bit confusing.
# 2  
Old 04-26-2002
/etc/group and umask
__________________________
An easy way to solve this is to add the users who will share these files to the group that it application user is a member of.

If the default group is oracle, then make all the users a member of the group oracle in /etc/group...

IF you want everyone to have permissions in the poppa dir, give them a secondary group of momma in /etc/group.
Also, make sure the group rights are such that users can read/write files in the specified dir.

___________________________
Umask can be modified in the .profile of the specified user. It i will give the opposite of what you set the umask to for new files and dirs created by that user...

If you set "umask 022" then the new file parms will be 644. Note that you cannot give executable permissions with umask. It will not do it even if you give umask 000...

Set umask 006, this will give you 660 for new file creation.
# 3  
Old 04-26-2002
The owner forget it, because is necesary to create an executable, or an script and can cause an exposure.

For the group

chmod g+s /tempdb

The user that create a file in /tempdb must be in the momma group.

Regards. Hugo
 
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