Linux – Permission denied error – linux user belongs to the owned group

linuxpermissions

I have added the user "test" in myuser group usermod -a -G test myuser. But if I try to execute or try to cd to datadir as "test" user gives the Permission denied error. datadir is having the following privilege 770 and the user "test" belongs to myuser group and still it gives the Permission denied error.

drwxrwx--- 3 myuser myuser 4096 Feb  6 16:24 datadir

$ grep "^test" /etc/group
test:x:503:myuser

$ groups myuser
   myuser : myuser test

Best Answer

You did not tell us about the parent directories permissions of datadir. Even if you have full permissions to a folder, you will not be able to access it unless you have the appropriate permissions to its parents also. So, you need to look at the full path permissions. For example, if you have a hierarchy like:

/var/subdir/datadir/

You should check the permissions of subdir and /var also. This is just an illustrative example.

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