Under Jaguar, I sometimes get a problem with Airport where the connection drops, and any attempt to use the Airport toolbar menu results in a finder lockup (spinning rainbow disk). I've discovered that unloading and reloading the Airport driver kernel extension fixes the problem. Here's the script I've written to do that (it needs to be run as an admin user):
#!/bin/shThis fixes the Finder lockup and allows me to rejoin the wireless network. The only catch is that thereafter the toolbar menu is nonfunctional, and I need to toggle it off and then on again in Internet Connect to get it to work (any advice on how to do this programatically would be appreciated).
sudo kextunload -b com.apple.driver.AppleAirPort
sudo kextload /System/Library/Extensions/AppleAirPort.kext
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