SSH / Borgbackup to IPV6 only using Proxyjump
So, I got one of the free Euserv VPSs posted about here some time back, but have been looking for an actual use case that would work with my IPV4 only internet access.
I use borgbackup as my backup solution, which does transfers over ssh. I have two paid VPS services that have both IPV4 and 6 addresses. I found this article dealing with SSH Proxyjump, that I didn't know about:
So, it turns out to be easy. In my .ssh/config, I've got something like:
There are ssh keys set up on both servers. In order to SSH or borgbackup to the IPV6 only server, I just use the hostname euserv_free and it Just Works. Magic.