Me: > Look at output of the following: > > pkill ssh > ssh -S '~/.ssh/socket/%C' -N -M -f <host> & > echo $! > pgrep -a ssh > > Then look at the output of: > > pkill ssh > ssh -S '~/.ssh/socket/%C' -N -M <host> & > echo $! > pgrep -a ssh >
For the tests I temporarily renamed my '~/.ssh/config', so that 'ssh' runs without config file. I do not know whether this is/was relevant. I now see: 'ssh' has a '-F none' (do not use a config file).