Is there anyway I can just install this on an existing image? I have several pis already running where I would like to just install NavPi. - - - [Elegantt data. What's this?](http://bit.ly/elegantt-for-trello-whats-this) [](Elegantt!UNITO-UNDERSCORE!data:dont!UNITO-UNDERSCORE!delete{"ignored":false,"autoPlanned":true,"ownerId":false,"dependencies":[],"psd":"2018-01-23T02:08:34+13:00","ped":"2018-01-23T19:17:08+13:00"})
Is there anyway I can just install this on an existing image? I have several pis already running where I would like to just install NavPi.
Elegantt data. What's this?