root@controller:~# service glance-api restart
root@controller:~# service glance-api status
● glance-api.service - OpenStack Image Service API
    Loaded: loaded (/lib/systemd/system/glance-api.service; enabled; vendor
preset: enabled)
    Active: active (running) since Tue 2016-05-31 18:06:06 KST; 25s ago
   Process: 3806 ExecStartPre=/bin/chown glance:glance /var/lock/glance /var/log/
glance /var/lib/glance (code=exited, status=0/SUCCESS)
   Process: 3802 ExecStartPre=/bin/mkdir -p /var/lock/glance /var/log/glance /
var/lib/glance (code=exited, status=0/SUCCESS)
  Main PID: 3810 (glance-api)
     Tasks: 5
    Memory: 129.1M
       CPU: 1.513s
    CGroup: /system.slice/glance-api.service
           ├─3810 /usr/bin/python /usr/bin/glance-api –config-file=/etc/glance/
glance-api.conf –log-file=/var/l
           ├─3826 /usr/bin/python /usr/bin/glance-api –config-file=/etc/glance/
glance-api.conf –log-file=/var/l
           ├─3827 /usr/bin/python /usr/bin/glance-api –config-file=/etc/glance/
glance-api.conf –log-file=/var/l
           ├─3828 /usr/bin/python /usr/bin/glance-api –config-file=/etc/glance/
glance-api.conf –log-file=/var/l
           └─3829 /usr/bin/python /usr/bin/glance-api –config-file=/etc/glance/
glance-api.conf –log-file=/var/l