Printer driver Easter egg after OS X upgrade

This post: https://discussions.apple.com/message/20156136#20156136 was a huge help after I upgraded OS X and couldn't get the correct printer drivers installed. Sure, it removes all the current printers, but adding them back is easy and one gets the newest drivers in the process.

Speeding up audio books

I really like to listen to audio books as I spend a lot of time on the road. I've had several that we essentially "unlistenable" due to the narrator reading so slowly. With help from http://lifehacker.com/5458052/how-do-i-speed-up-hundreds-of-audio-files I created two chains in Audacity and could then use the File->Apply Chains... to the audio files:

exim taking forever to start

I ran into troubles with exim4 on debian taking forever to start. Strace'ing it revealed it was trying to look itself up using DNS, ignoring what was in /etc/hosts and /etc/nsswitch.conf. I was testing a box before I hooked to a network that had a DNS server running. Commenting out everything in /etc/resolv.conf took care of things. What if I only wanted exim4 for local delivery, which I did? BTW, it also makes logging in with ssh a lot faster as sshd is doing reverse lookups.