sed -e '/^hosts:/s/\s*\//' \ -e 's/\(^hosts:.*\)\(\\)\(.*\)\(\\)\(.*\)/\1\2 myhostname \3\4\5/' \ -i $D/etc/nsswitch.conf # Begin section update-alternatives update-alternatives --install /sbin/init init /lib/systemd/systemd 300 update-alternatives --install /sbin/halt halt /bin/systemctl 300 update-alternatives --install /sbin/reboot reboot /bin/systemctl 300 update-alternatives --install /sbin/shutdown shutdown /bin/systemctl 300 update-alternatives --install /sbin/poweroff poweroff /bin/systemctl 300 update-alternatives --install /sbin/runlevel runlevel /bin/systemctl 300 # End section update-alternatives if [ x"$D" = "x" ]; then if [ -x /sbin/ldconfig ]; then /sbin/ldconfig ; fi fi