root@compute:~# service nova-compute restart
root@compute:~# service nova-compute status
● nova-compute.service - OpenStack Compute
    Loaded: loaded (/lib/systemd/system/nova-compute.service; enabled; vendor
preset: enabled)
    Active: active (running) since Wed 2016-06-29 09:12:56 KST; 9s ago
   Process: 2848 ExecStartPre=/bin/chown nova:nova /var/lock/nova /var/log/nova /
var/lib/nova (code=exited, status=0/SUCCESS)
   Process: 2844 ExecStartPre=/bin/mkdir -p /var/lock/nova /var/log/nova /var/
lib/nova (code=exited, status=0/SUCCESS)
  Main PID: 2851 (nova-compute)
     Tasks: 22
    Memory: 132.2M
       CPU: 2.679s
    CGroup: /system.slice/nova-compute.service
            └─2851 /usr/bin/python /usr/bin/nova-compute –config-file=/etc/nova/
nova.conf –config-file=/etc/nova/nova-compute.conf –log-file=/var/log/nova/nova-
compute.log