I have been using mosh for quite some time, especially when using high latency/packet loss connections.
However, mosh stopped working some time ago. The error message on the remote machine was something like this:
1 2 3 4 5 6 7 8 9 10 11 12
Notice the error message on the bottom. After some debugging I found out
that the user needs to be in the
tty group to perform
sudo gpasswd -a $USER tty mosh worked again.
You should also make sure that you have the following line in your