Here are a few helpful shortcuts:
lifeasbob.com – Great SQL Server DBA resource with a script vault and research findings.
lifeastom.com – Another great DBA, but this site is still under development.
grc.com – Gibson Research Corporation. Here you’ll find some free network testing tools, SpinRite, and the Security Now podcast.
ss64.com – Command line reference for every OS.
connectionstrings.com – Fantastic resource to find the connection strings used to connect any application to any DBMS.
lbcbaldwin.org – The church I attend and volunteer at.