Consultancy Soup

http://www.meetup.com/Cairo-Microsoft-Meetup

https://channel9.msdn.com/Blogs/MVP-Office-Servers-and-Services/SharePoint-2013-Performance-and-Capacity-Management

https://channel9.msdn.com/Blogs/MVP-Office-Servers-and-Services/Trigger-SharePoint-Online-CSOM

https://blogs.technet.microsoft.com/wikininjas/2016/06/12/infrastructure-from-mars-and-sharepoint-from-venus/

https://blogs.technet.microsoft.com/wikininjas/2016/05/08/collab365-summit/

https://collab365.conferencehosts.com/confs/Summit2016/c365summitnaguib/ConfPages/SessionRoom.aspx

https://gallery.technet.microsoft.com/SharePoint-Content-DB-Size-2ed56f65