If you’re troubleshooting a network’s uplink to the Internet and want a memorable external IP address to ping, then you can use 4.2.2.2, which is one of Verizon’s DNS servers.
If you don’t run a disk check on a Linux server in awhile and you reboot, it may force a disk check, which can take 30+ minutes, and it’ll be offline the entire time. You can reboot and skip the check with shutdown -fr now or force a check with shutdown -Fr now. (via go2linux.org)
Mapki has a detailed list of URL parameters for Google Maps. Setting daddr is useful when you want to create a link for a user to get directions. You can also control the zoom level, type of map (normal, satellite, terrain, etc), overlay information and lots of other things.
Skeleton is a CMS Made Simple module you can use as the base for writing a new module. It has all the basic code in place already.