Intune / Azure resources
Mobile-First, Cloud-First blog by a Microsoft MVP; a lot of blog posts about Intune, Windows 10 MDM and Enterprise Mobility
More than just ConfigMgr
Blog about Config Manager and Intune, also by a Microsoft MVP
Salesforce Admin Resources
The following resources have been helpful for me in finding my way in the salesforce admin ecosystem (in random order)
Trailhead is Salesforce’s on-line training environment, modules are being added on a regular basis.
You are strongly advised to register for a (dedicated) free Developer Org, which you can link to your Trailhead profile in order to be able to verify if the practical challenges are done correctly.
Admin Hero is a blog by a Salesforce MVP, his ‘Zero to Hero’ series provides useful insights.