من میخوام cpanel نصب کنم روی لینوکس این ارور رو میده

[root@server2 ~]# yup update
-bash: yup: command not found
[root@server2 ~]# yum update
Loaded plugins: fastestmirror, rhnplugin, security
Profilename: server2.yourdomain.com
Not licensed
This system is not registered with CLN.
CLN support will be disabled.
Loading mirror speeds from cached hostfile
Setting up Update Process
No Packages marked for Update
دلیلش چیه؟