Sudo launchctl unload -F /System/Library/LaunchDaemons/ist The configuration with which the daemon is lauched is in /System/Library/LaunchDaemons/ist and the the identifier is īefore you make changes to the config run: Like most services in OS X, tftpd is controlled by launchctl. OS X Lion comes with a tftpd but its disabled by default.
If you prefer to use the command-line, read on… There's a writeup of using TftpServer.app at tftpserver. Note: TftpServer.app places a pleasing GUI on top of the native OSX tftpd.