Removing Stale SSH hosts
Open crosh, the Chrome OS developer shell via <ctrl> <alt> t
Press and hold the <ctrl> key and right-click via the mouse
- within the pop-up window select ‘options’
Under SSH files – remove the cached enter and click save.
To check your Auto Update Expiration (AUE) head over to chrome://settings/help
then click ‘Chrome OS settings’
then click on ‘Additional Details’ you should see a screen similiar to
The device stack list can be found in google docs – this may help when replacing your device to select a more recent model so that you get the maximum amount of AUE.