MongoDB Service Will Not Start After Initial Setup

Question

I am running Fedora 20 and installed MongoDB per the Red Hat installation guide on the official documentation. I was able to run the mongod daemon as a service with

Answer 1

What worked for me on Fedora 20: we need to create the temp dir on every boot, and that's handled by systemd-tmpfiles. So, create a file /lib/tmpfiles.d/mongodb.conf and put one line in it:

d /var/run/mongodb 0755 mongod mongod

That seems to handle it on restarts; if you don't want to restart right away, you can execute that with:

sudo systemd-tmpfiles --create mongodb.conf

(See the man pages for systemd-tmpfiles)