From TeraGrid Wiki
This would be a good place to collect recipes that various people create for doing various common things. (There may be similar information/capability availble in the Knowledge Base)
Since this is a WIKI and content here changes quickly, one should expect that not every corner case has been investigated. Try it and help improve the advise it you find better ways/holes !
New Users to TeraGrid
POPS and the User Portal are both things you need to be aware of. Look around there for rules and process introductions for getting allocations and status.
How to use the single sign-on capabilities of TeraGrid
Jim Basney has a good writeup on how to use MyProxy and GSISSH for single signon capability for the teragrid (don't have to remember 8 different usernames/passwords). Try the local client to make your life really easier!