start a named byobu session for a user

byobo_start_named_session.sh

$ which wbio
/usr/bin/wbio

$ cat `which wbio`
#/bin/bash

# start byobu as user:
USER=webroot

# without parameters: list existing sessions
if [ -z "$1" ] ; then
  ps aux|grep byobu|grep "\-S"
  exit
fi

# first parameter: name for connecting to existing or creating new byobu session.
# second parameter (optional): starting directory (defaults to USER's home dir).

# start a named byobu session:
sudo su - -c "cd $2 && byobu -S $1" $USER