Two Alfresco tips that I keep meaning to write down.
Fresh Install Error
New machine, fresh install of Alfresco, and the repository won't start.
Very early in the log file, after the sysAdmin few subsystem has loaded, this error shows up:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'avmRemoteService' defined in class path resource [alfresco/remote-services-context.xml]: Invocation ...