[ovirt-users] Failed to execute stage 'Misc configuration': Command '/sbin/service' failed to execute

Hi man,I wanna to install ovirt 3.5 via allinone deploy,but I encoutered some issues. stage: #yum update \\ I set some enviroment parameters like as: hostname,static ip ...etc #yum install http://resources.ovirt.org/pub/yum-repo/ovirt-release35.rpm \\Skipped "yum install -y ovirt-engine" #yum install -y ovirt-engine-setup-plugin-allinone #engine-setup [ INFO ] Stage: Setup validation [WARNING] Less than 16384MB of memory is available --== CONFIGURATION PREVIEW ==-- Application mode : both Update Firewall : False Host FQDN : node.luccitech.com Engine database name : engine Engine database secured connection : False Engine database host : localhost Engine database user name : engine Engine database host name validation : False Engine database port : 5432 Engine installation : True PKI organization : luccitech.com Configure VDSM on this host : True Local storage domain directory : /var/lib/images Configure local Engine database : True Set application as default page : True Configure Apache SSL : True Reports installation : False Configure local Reports database : False Engine Host FQDN : node.luccitech.com Configure WebSocket Proxy : True Please confirm installation settings (OK, Cancel) [OK]: [ INFO ] Stage: Transaction setup [ INFO ] Stopping reports service [ INFO ] Stopping engine service [ INFO ] Stopping ovirt-fence-kdump-listener service [ INFO ] Stopping websocket-proxy service [ INFO ] Stage: Misc configuration [ INFO ] Stage: Package installation [ INFO ] Stage: Misc configuration [ INFO ] Creating PostgreSQL 'engine' database [ ERROR ] Failed to execute stage 'Misc configuration': Command '/sbin/service' failed to execute [ INFO ] Yum Performing yum transaction rollback [ INFO ] Stage: Clean up Log file is located at /var/log/ovirt-engine/setup/ovirt-engine-setup-20180621172148-ojd6fg.log [ INFO ] Generating answer file '/var/lib/ovirt-engine/setup/answers/20180621172411-setup.conf' [ INFO ] Stage: Pre-termination [ INFO ] Stage: Termination [ ERROR ] Execution of setup failed I have no idea to deal it... Best regard.