Login to your Panel (https://crownpanel.com/)
To start the installation you will have to mount the Ubuntu 18.04 ISO. To mount the ISO click on CD-ROM and then select the ISO from the drop-down menu and click on Mount button(It will take 2-3 minutes)
Once it mounted click on Power Control and then Click on the Reboot button to reboot the server.
Now Launch VNC to start the installation.
Select the language and click on the continue.
Select the keyboard and click done.
Select install ubuntu and press enter.
Select the Network configuration and click done.
Proxy configration,if system require enter proxy address in this example keept empty.
Ubuntu mirror config,in this example defauilt address keept.
Disk configration,in this example "use an entire disk".
Choose the disk to install and click enter.
check the available diveces and press enter.
confirm and press continue.
Profile setup fill the form and press enter,in this example clint name=clint,server name=server,and set the username and password and if needed give github or launchpad username.
If required select any server,in this example not selected any server snap.
After select Reboot now.
Asks for to remove installation redium press enter.
installation process occure.
After it asks for server login,login with theh created account.