Step 1 – Create a plist file. Save as something like com.TheAppName.plist
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>Label</key> <string>app.TheAppName</string> <key>ProgramArguments</key> <array> <string>/usr/bin/open</string> <string>/Applications/TheAppName.app</string> </array> <key>RunAtLoad</key> <true/> <key>KeepAlive</key> <false/> <key>LaunchOnlyOnce</key> <false/> <key>StartInterval</key> <integer>3600</integer><!-- seconds --> </dict> </plist>
Step 2 – Copy plist to /System/Library/LaunchDaemons/
Step 3 – Load the daemon
sudo launchctl load -w /System/Library/LaunchDaemons/com.TheAppName.plist
Step 4 – Log off & Log on to test