-e 's/^#\?IgnoreUserKnownHosts .*$$/IgnoreUserKnownHosts yes/' \
-e 's/^#\?UsePAM .*$$//' \
-e 's/^#\?X11Forwarding .*$$/X11Forwarding no/' \
-e 's/^#\?IgnoreUserKnownHosts .*$$/IgnoreUserKnownHosts yes/' \
-e 's/^#\?UsePAM .*$$//' \
-e 's/^#\?X11Forwarding .*$$/X11Forwarding no/' \