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I was reading /etc/bashrc and saw the following:

# By default, we want umask to get set. This sets it for non-login shell.
# Current threshold for system reserved uid/gids is 200
# You could check uidgid reservation validity in
# /usr/share/doc/setup-*/uidgid file
if [ $UID -gt 199 ] && [ "`/usr/bin/id -gn`" = "`/usr/bin/id -un`" ]; then
   umask 002
else
   umask 022
fi

However, my /user/share/doc directory doesn't have any directories beginning with setup:

[vagrant@rhcse-study-vm-1 ~]$ ls /usr/share/doc/setup-*
ls: cannot access /usr/share/doc/setup-*: No such file or directory

How can I find or install this documentation to look at these system uid/gid reservations? The Vagrantfile I'm using to setup this machine is here, but it's a pretty vanilla CentOS 7 box and I'm not erasing anything.

Edit

As seen in the comments to the accepted answer I had to yum reinstall setup to get the folder.

  • Any luck with find /usr/share/doc -name uidgid? – DopeGhoti Oct 25 '17 at 21:12
  • @DopeGhoti Nada, nor from the root dir either – Ben Oct 25 '17 at 21:15
3

The most probably you don't have the RPM package 'setup' installed on your system. The mentioned file is provided by this package.

For example in case of setup-2.8.71-7.el7.noarch.rpm it is:

/usr/share/doc/setup-2.8.71/uidgid
  • Package setup-2.8.71-7.el7.noarch already installed and latest version, and it's not there – Ben Oct 25 '17 at 21:49
  • 1
    Then there is some problem with your image. I can see the file on my system and it's also listed when you search for the uidgid file on the rpm.pbone.net. Try 'yum reinstall setup'. – Jaroslav Kucera Oct 25 '17 at 21:56

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