MUNGE

The munge package.

MUNGE (MUNGE Uid 'N' Gid Emporium) is an authentication service for creating and validating credentials.

Before starting the service as the first time a secret key has to been created.

For creating the key add store it to the file /etc/munge/munge.key use /sbin/mungekey. For example:

sudo -u munge %{_sbindir}/mungekey -v

Please read man 8 mungekey for more information.

In the second step you can start and enable the munge service.

systemctl start munge
systemctl enalbe munge