We're so used to reliable communication channels that when something breaks down, it takes us by surprise. I've recently experienced a glitch that's been causing some headaches. Calendar invites created in OS X iCal would not get delivered to Gmail recipients. No matter what we tried, the recipient never got it.Read More
When working with Amazon EC2 instances, you've probably experienced the need to change the default hostname to something more meaningful than "ip-10-205-14-33" for instance. While simply issuing a
hostname command will do the trick, it requires login into the machine. If you also need to properly define the fqdn (fully qualified domain name) of the machine, it requires a modification of the
/etc/hosts file as well or more if you've setup a DNS server.