OK, I'm not sure why you've changed the group on mlocate, but it sohuld match the group on the mlocate.db; typically as mlocate:
dg@major:~$ ls -l /usr/bin/locate /etc/alternatives/locate /usr/bin/mlocate /var/lib/mlocate/mlocate.db lrwxrwxrwx 1 root root 16 Jul 17 19:09 /etc/alternatives/locate -> /usr/bin/mlocate lrwxrwxrwx 1 root root 24 Jul 17 19:09 /usr/bin/locate -> /etc/alternatives/locate -rwxr-sr-x 1 root mlocate 39512 Aug 15 04:26 /usr/bin/mlocate -rw-r----- 1 root mlocate 11823635 Oct 27 12:44 /var/lib/mlocate/mlocate.db -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1071858 Title: mlocate doesn't allow access to any normal users To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mlocate/+bug/1071858/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs