Mosh is a great way to overcome lag and flakey connection issues when accessing remote terminals over SSH: https://mosh.org/
Unfortunately, there's still not a lot of clear documentation for "idiots" because a lot of the existing guides assume a) "it just works", or b) you're already skilled enough to set everything up from scratch (assumed knowledge/use cases).
One of the problems I ran into for quite a long time yesterday was getting the darn thing to connect to my Google Cloud instance. I kept running into the mosh: Nothing received from server on UDP port 60001. [To quit: Ctrl-^ .] error (by the way - to quit, you have to press . after Ctrl-^ - it's not just Ctrl-^, there is a dot there too!)
FAQs and the like made vague spartan references to NATs, firewalls, iptables and the like and I tried out various commands and configurations on the se