Fixes #3368: correct openssh script for debian/ubuntu
Merge pull request #63 from ncharles/bug_3368/dev/correct_ssh_remove_command

Fixes #3368: correct openssh script for debian/ubuntu
Merge branch 'branches/rudder/2.3' into branches/rudder/2.4
Merge branch 'branches/rudder/2.4' into branches/rudder/2.5
Fixes #3368: correct openssh script for debian/ubuntu - for Technique version 2