I will be moving an existing Splunk installation (and all the data, inputs and customizations, etc.) over to a new server (Linux to Linux same platform and same architecture) and perform an upgrade to 6.1 and from what I gathered from all the documentation, the process would be this:
Are we missing something in the process.
Most of it looks good. That said, here are a few things, off the top of my head:
I would assume so, but you'd have to check your cert. The certificate might be tied to the system's URL.
Lots of documentation on the wiki & official Splunk docs on certs, if needed: