Coming in this late to the game migrating from v0.30 to the present you are going to have issues. I haven’t had an opportunity to read through your post yet and won’t for a couple of hours but this post will likely be helpful:
This is the official instructions:
Yes, the encoding issue.
The first 2 issues are solved.
The third issue I do not have a solution for so far.
And this is likely what you are going to need …
Thanks a lot to the input and patience of @alento and @just4t and also the analysis of @stephank for the reason why the way of the manual doesent work anymore
We finally have a Workaround for the Upgrade from a Ubuntu 14.04 with maximum v0.30 to the latest version (for now v0.42b) with every neccesary step, that we together planed and testet.
If u have already running MiaB v0.40 jump in at 6)
@stephank i hope u still have the chance to do so