ssh: Use hostname instead of $HOST

git-svn-id: http://awakening.csail.mit.edu/svn/amthrax/sys/bin@2447 ee464a63-62dc-0310-8e92-97079e79a51f
rbackupd: Old tweaks

This script isn't used any more.

git-svn-id: http://awakening.csail.mit.edu/svn/amthrax/sys/bin@2448 ee464a63-62dc-0310-8e92-97079e79a51f
ssh-findkeys: Script to find saved agent from ssh wrapper

git-svn-id: http://awakening.csail.mit.edu/svn/amthrax/sys/bin@2449 ee464a63-62dc-0310-8e92-97079e79a51f
ptalk: More date formats and robustness

git-svn-id: http://awakening.csail.mit.edu/svn/amthrax/sys/bin@2450 ee464a63-62dc-0310-8e92-97079e79a51f