Utmost things to do with your new vps

Firstly, update and upgrate your installation

   apt-get update
  apt-get upgrade
Secondly, create new user and prevent root ssh login , to enhance security of your vps

Create new user on vps
   adduser xyz

Give sudo privileges
  adduser xyz sudo

Remove root from accessing shell
$nano /etc/ssh/sshd_conf

PermitRootLogin no
PasswordAuthentication no

Now, reload your ssh.
  reload ssh

exit and login with new sudo user: xyz
ssh xyz@ip.addresss

Thirdly, use this user to install all your packages.
Most important package is to have one virtualhost manager:virtualmin


Download virtualmin install script from this url: http://software.virtualmin.com/gpl/scripts/install.sh

$cd /home
$curl http://software.virtualmin.com/gpl/scripts/install.sh
$ sudo . ./install.sh

Follow its simple steps. It will download and configure, all modules needed to manage a typical web host.

When installed, open the url : http://ip.address:10000



References:

1.  http://www.virtualmin.com/download.html#gpl