The Wall

Fetchmail - An email aggregator and forward
Port Scan - Scan multiple IP addresses on multiple ports to discover services listening on IP:port . ( Verify your own apps are available if someone can't access them. Could be their outbound firewall or proxy filter. But they may blame your firewall... )
env.cgi - Display the users Environmental Varriablles, and some from the server. ( including NAT IP addresses, Browser and OS type / version, and Hardware Platform )
IBM Paper - a look back on 37 years at IBM (by John Sailors)
SunRise - APL's Rancho Cordova Data Center, Ebiz Stage Build Out (UNIX Engineering Team)