Upon provisioning of your VPS, all KVM based VPS are ISO only installs of the OS, so login to your SolusVM Control Panel to manage your VPS and change the ISO to your desired OS
Click reboot in SolusVM and you may now begin your install with a VNC client. Any time you change the CD Image or boot order you must reboot the VPS in SolusVM for the change to take effect. It is recommended you set the IP to the static IP assigned, which is listed in your welcome email, but if you choose to use DHCP, restarting network might be needed after the initial boot once the OS is installed.
Hostigation provided resolvers
Available ISO's and Usable mirrors for netinstall ISO's
CentOS 5 requires 256mb to install, CentOS/Scientific Linux 6 requires 512mb to install please see KVM:CentOS for low memory installs.