[TriLUG] Hosting multiple WordPress sites - VMWare or OpenVZ

[Ron Kelley]

Distinct per customer.

Matt Pusateri <mpusateri at wickedtrails.com> wrote:

>Are you going to be using Wordpress multisite? or just a distinct VM per customer?
>
>On Jan 29, 2012, at 10:25 PM, Ron Kelley wrote:
>
>> Greetings all,
>> 
>> I am working on a project to start hosting multiple (potentially hundreds of) WordPress sites in our data center rack.  After doing some research, I am trying to decide between hosting the sites in a CentOS VM, or use OpenVZ and create a VPS container for each customer.  Since we already have VMWare deployed in the infrastructure, installing CentOS/LAMP in a VM with apache's virtual hosting was my first choice.  
>> 
>> One of my concerns is if one of the WordPress sites get compromised, other customers' sites may get compromised as well.  From this perspective, VPS containers seem more secure, but I am less familiar with the OpenVZ environment.  I also understand performance issues in one VPS container is not supposed to affect other containers.  However, customers running inside the same VM will definitely get affected by a rogue site.
>> 
>> Can anyone provide some insight or first-hand-knowledge comparing a VPS to a VM when trying to host multiple word press sites inside the same "container"?  I need to look at security, performance, reliability, and backup/restore capabilities.
>> 
>> For what it's worth, the server is very powerful - 2x 6-core Intel Xeon CPUs (3.4GHz) with 96GB RAM.  I figured that should be plenty of horsepower to host many WordPress sites; I just need to find the right OS "container" to host them.
>> 
>> Thanks for any input,
>> 
>> -----------------------------
>> Ron Kelley
>> rkelleyrtp at gmail.com
>> 
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