byobu cannot connect to ssh-agent socket well. actually I can make just one connection via ssh-agent but if I try to establish another ssh connection using the agent, it doesn't work.
I've tried
setenv SSH_AUTH_SOCK `echo $SSH_AUTH_SOCK`
in ~/.byobu/profile
but it didn't work as well.
Best Answer
I'm not sure why people attempt to solve this at the terminal multiplexer configuration level. That's not a place for it, unless you want to have to do it again because you've switched to tmux, screen, etc.
Every time you open another window, your shell gets executed and reads its configuration files.
Sourcing this from your shell configuration file solves the problem for any shell that I use: