http://www.instructables.com/id/DIY-IR-Infrared-Illuminator-Night-Viewing-With/

https://spectrum.ieee.org/computing/hardware/how-ibm-got-brainlike-efficiency-from-the-truenorth-chip

https://help.ubuntu.com/lts/serverguide/certificates-and-security.html.en

https://www.digitalocean.com/community/tutorials/how-to-install-nagios-4-and-monitor-your-servers-on-ubuntu-14-04

https://motion-project.github.io/motion_config.html

Open Zoneminder. Click on Options – Paths

Change PATH_ZMS to /zm/cgi-bin/nph-zms

Reboot the server to set the API tmp directories.

https://wiki.zoneminder.com/Common_Issues_with_Zoneminder_Installation_on_Ubuntu

Set up source type as remote
protocol as HTTP
remote method as Simple
remote host name ip address of Motion server ie 192.168.1.11
remote host port as 8081 ( providing this is the streaming port on Motion )
remote host path as /
set the colour and image size to match that of Motion ( found in the motion.conf file )

Hope this helps you or others.
https://forums.zoneminder.com/viewtopic.php?t=20575

https://wiki.zoneminder.com/Ubuntu_Server_14.04_64-bit_with_Zoneminder_1.30.4_the_easy_way

$ sudo -u www-data php occ  files:scan –all
https://forum.owncloud.org/viewtopic.php?t=31599