Palm-install
From WebOS101
In the terminal/command line tools for install/remove from the device/emulator
Install/Remove an Application
If the phone is in developer mode and connected in USB mode: If the application .ipk name is com.alexhaefner.bloop, and it's in the same directory as the terminal/command line, enter the following to submit it on the device:
palm-install com.alexhaefner.bloop
To remove an application from the device, you need to know it's package name and remove it as follows:
palm-install -r com.alexhaefner.bloop