Solution for common problem for VPS clients about Hostname.
Hostname:
Hostname is the name of your VPS and should point to your VPS main IP address. It should be Fully Qualified Domain Name like server.example.com or vps.example.com, where example.com should be hosted on your VPS. So after receiving the login details of your VPS you need to change the hostname. Hostname will be set from the main hardware node on which your VPS is hosted. Due to that you can’t change the Hostname.To change the Hostname for your VPS you need to contact company where you have buy a VPS for you.
The one most common error with the Hostname is a “Missing A record entry for your servers hostname”
This error is occur because your servers hostnames domain is not pointing to your VPS.For example the Hostname for your VPS is vps.example.com.You need to update the name servers from your domain name registrar end for your domain .com.As soon as your domain example.com pointing to your VPS you will not receive Hostname A record missing error.