Upgrade Ubiquiti EdgeMax EdgeRouter From CLI

I dusted off my EdgeRouter Lite earlier today, and went to upgrade it, but it turns out my old version of code was buggy and wouldn’t update from the web GUI. A quick google shows there is a method via CLI:

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add system image http://192.168.1.5/ER-e100.v1.9.0.4901118.tar

I used HSF to run a quick simple webserver on my laptop to transfer the image.

A cool feature of the EdgeRouters is the fact that it maintains two copies of firmware, new/old. This way if the new image fails to boot, it will fall back to the old. You can show the existing images with:

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show system image

You can find the simple UBNT documentation on it here.