If tmux fails with the message "open terminal failed: missing or unsuitable terminal: rxvt-unicode-256color".
$ ssh remotemachine mkdir -p .terminfo/r
$ scp /usr/share/terminfo/r/rxvt-unicode* remotemachine:.terminfo/r/
If tmux fails with the message "open terminal failed: missing or unsuitable terminal: rxvt-unicode-256color".
$ ssh remotemachine mkdir -p .terminfo/r
$ scp /usr/share/terminfo/r/rxvt-unicode* remotemachine:.terminfo/r/