Here I have some articles which I am publishing on my website.

Creating OpenStack Ironic deploy images with Buildroot
Licensed under Creative Commons Attribution-ShareAlike 4.0 International

FreeIPA How To (Fedora)
Licensed under Creative Commons Attribution-ShareAlike 4.0 International

Mono: An infectious disease?
Licensed under Creative Commons Attribution-ShareAlike 3.0 Australia

OpenLDAP How To (Fedora)
Licensed under Creative Commons Attribution-ShareAlike 3.0 Australia