そのコマンドを実行するとsystemctl restart httpd.service httpdが再起動できない
systemctl ステータス httpd.service が表示されます
[root@openstack ~]# systemctl status httpd.service
â—� httpd.service - The Apache HTTP Server
Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
Drop-In: /usr/lib/systemd/system/httpd.service.d
└─openstack-dashboard.conf
Active: failed (Result: exit-code) since Fri 2017-10-27 18:11:35 WIB; 10s ago
Docs: man:httpd(8)
man:apachectl(8)
Process: 14032 ExecStop=/bin/kill -WINCH ${MAINPID} (code=exited, status=1/FAILURE)
Process: 14029 ExecStart=/usr/sbin/httpd $OPTIONS -DFOREGROUND (code=exited, status=1/FAILURE)
Process: 13983 ExecStartPre=/usr/bin/python /usr/share/openstack-dashboard/manage.py compress --force (code=exited, status=0/SUCCESS)
Process: 13959 ExecStartPre=/usr/bin/python /usr/share/openstack-dashboard/manage.py collectstatic --noinput --clear (code=exited, status=0/SUCCESS)
Main PID: 14029 (code=exited, status=1/FAILURE)
Oct 27 18:11:21 openstack.localdomain python[13959]: Copying '/usr/lib/python2.7/site-packages/horizon/static/framework/widgets/modal/delete-modal.service.js'
Oct 27 18:11:21 openstack.localdomain python[13959]: Copying '/usr/lib/python2.7/site-packages/horizon/static/framework/widgets/modal/delete-modal.service.spec.js'
Oct 27 18:11:21 openstack.localdomain python[13959]: Copying '/usr/lib/python2.7/site-packages/horizon/static/framework/widgets/modal/modal.module.js'
Oct 27 18:11:21 openstack.localdomain python[13959]: Copying '/usr/lib/python2.7/site-packages/horizon/static/framework/widgets/modal/simple-modal.controller.js'
Oct 27 18:11:21 openstack.localdomain python[13959]: Copying '/usr/lib/python2.7/site-packages/horizon/static/framework/widgets/modal/simple-modal.html'
Oct 27 18:11:35 openstack.localdomain systemd[1]: httpd.service: main process exited, code=exited, status=1/FAILURE
Oct 27 18:11:35 openstack.localdomain systemd[1]: httpd.service: control process exited, code=exited status=1
Oct 27 18:11:35 openstack.localdomain systemd[1]: Failed to start The Apache HTTP Server.
Oct 27 18:11:35 openstack.localdomain systemd[1]: Unit httpd.service entered failed state.
Oct 27 18:11:35 openstack.localdomain systemd[1]: httpd.service failed.