rngd service fail

by default, centos 7 enables rngd.service, but it is configured for trust module or just plain misconfigured.

Solution:

http://web.theurbanpenguin.com/centos-7-rngd-will-not-start/

We can easily rectify the problem by editing the service  unit file: /usr/lib/systemd/system/rngd.service. The ExecStart line should be edited so that it reads as in the following:

ExecStart=/sbin/rngd -f -r /dev/urandom

This is also shown in the following screenshot:

rndgservice

We will need to reload the unit file once it has been edited. We can use the following command to achieve this:

# systemctl daemon-reload

With the new unit loaded we can now start the service and check the status:

# systemctl start rngd
# systemctl status rngd

The following video will step you through the process.

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