cockpit install and configuration on fedora 26

cockpit is gui server manager on redhat/fedora.
1.Install cockpit
[16:16 root@server /etc/yum.repos.d]# systemctl install cockpit -y

2.start , enable the service
[16:20 root@server /etc/yum.repos.d]# sudo systemctl enable –now cockpit.socket
Created symlink /etc/systemd/system/sockets.target.wants/cockpit.socket → /usr/lib/systemd/system/cockpit.socket.
[16:21 root@server /etc/yum.repos.d]# sudo firewall-cmd –add-service=cockpit
success
[16:22 root@server /etc/yum.repos.d]# sudo firewall-cmd –add-service=cockpit –permanent
success

3.access the service on port 9090
[16:26 root@server /etc/yum.repos.d]# curl -I https://localhost:9090
HTTP/1.1 200 OK