SERVER-14679 Startup scripts not fit for CentOS 7 / RHEL 7

Signed-off-by: Markus W. Mahlberg <markus.mahlberg@me.com>
(cherry picked from commit a8834e73376817537f3132c08d5539f7931b22a7)
Signed-off-by: Markus W. Mahlberg <markus.mahlberg@me.com>