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→Administration Advantages
== Administration Advantages ==
If a customer needs you to fix something on their dedicated server you have to either know the root password or take the server down and boot from a rescue CD to get in and fix it. You also can't access the customer's files without logging in to their server as root. In a VPS you as host can enter their server at any time without a password. (Keeping the host environment very secure of course.) That allows you to do maintenance without having to look up the person's root password.
== Backup Advantages ==
Additionally you can access the customers files directly from the host environment. This allows you to run rsync scripts to back up all the virtual servers to external storage or backup servers without the customer being aware that you are doing sophisticated backups. Then when the customer calls you up in a panic and says, "I totally screwed up my server and deleted a bunch of files by accident. Can you get it back?" You can magically restore their lost data and you are forever their hero.
== IP Allocation Advantages ==
Tired of allocating 4 IP addresses just to give the customer 1 usable? Or giving them 8 so they have 5 usable and them most of them only use one? How inefficient is that? With OpenVZ you can allocate IP addresses individually so that if a customer only needs one IP then they get only 1 IP. But if they need 9 IP addresses you can give them exactly 9 of them. They can call you up and say I need one more IP and you can give it to them in seconds. On a dedicated server if you gave them a /29 vlan and they are using all 5 IPs and they need another one - that is a huge hassle.
