In SharePoint 2013 the right permissions on file locations and registry keys are important. Sometimes you need to know which permissions are set. This article describes how to verify ULS log and Usage log file access via PowerShell.
In SharePoint 2013 there are some changes in how search work. In SharePoint Server 2013, result sources replace scopes and federated locations. This article describes how I ran into an issue with building a new results source in the query builder.