Most users don’t need to use this command, but it’s very helpful for web developers and network admins to troubleshoot issues with web sites. This command is run via terminal. On Leopard (10.6) and Snow Leopard (10.7): (as root or admin user) dscacheutil -flushcache On all other version (10.0 – 10.4): (as root or admin [...]

Sometimes you need to have a static IP address configured to a specific domain name on OS X. For instance, locally testing a web server is a great reason to do this. Doing so is fairly easy to setup, but does take a bit of command line work. First, edit /etc/hosts with your favorite text [...]