1
vote
1answer
55 views

Identify if windows server is dedicated or vps [duplicate]

I have offers for vps and dedicated hosting. The price for dedicated server is around $100/month which makes me think whether I am really getting a dedicated machine or just scammed to give me vps in ...
0
votes
3answers
91 views

How to find out the virtualization type of an linux VPS?

Having access to an VPS, i need to know which type of virtualization it is running from the terminal. How can i know if it is OpenVZ, Xen, KVM, etc?
-1
votes
1answer
81 views

recipient rejected in a SMTP connection from a OpenVz container [closed]

I'm facing a strange problem. I'm getting a recipient rejected on a SMTP server only from inside an OpenVZ container, while from the physical server everything works fine. Here's an example of a ...
-1
votes
1answer
111 views

Find ddos attack on OpenVZ container [duplicate]

How do you figure out which OpenVZ contain is under attack from a dDoS? I know it is an attack because the b/w and incoming traffic shot WAY up. Can this be done with netstat? Are some attacks not ...
0
votes
1answer
342 views

How does Mac OS X VPS work? [closed]

How do folks like Xcloud for example provide Mac OS X VPS service? Do they run VMWare with Mac OS X guest instances, or is there a native(if that even makes sense) hypervisor that runs on something ...
0
votes
1answer
83 views

Virtual Machine Share license with Host?

I have a really old accounting software that my client uses on their server (windows), the product provider no longer exists and so we can't get new licenses from it. I have a working copy on the ...
0
votes
3answers
2k views

Change amount of Ram and CPU cores in KVM

How can I Change amount of Ram and CPU cores for a virtual machine in KVM that is already created? Thanks
1
vote
2answers
345 views

QEMU Virtual CPUs

I've seen that people run VMs with KVM and QEMU Virtual CPUs but when I'm creating a VM using virt-manager it only show my real cpu cores not virtual CPUs. how can I activate QEMU Virtual CPU? Thanks ...
-1
votes
2answers
77 views

Is it possible to run Virtual Machines using another Virtual machine

This might sound like a stupid question but i haven't had the correct answer yet. If i have a high configuration vps from say Rackspace or any big company, then can i use Xen or any other ...
0
votes
3answers
112 views

Is it possible to share files between multiple vps

I'm looking into virtualization where I'll set up a few virtual machines on a single physical hardware (similar to what vps providers do). Each of these VPS will mainly be used as a webserver. I'd ...
2
votes
1answer
113 views

Strange CPU usage on Windows Server 2003 vs. CentOS5.4

I have two Virtual PCs running Windows Server 2003 and CentOS 5.4 on a host machine. I use a java server on both of them. I copied the java server's files from the host machine on to both of the ...
-1
votes
1answer
61 views

server load on virtualized systems

I have a vps on virtuozo, with whm/cpanel and last night my vps was super slow. WHM was reporting a high server load, but the top command and a server load history from 5 hours back was on 0 to 0.5, ...
3
votes
1answer
1k views

How to limit memory for VE on openvz

I need to configure only one vps in a openvz node. The node will have only one vps. I need help to configure the memory limits correctly. The node have 4GB memory with 4GB swap. I would like to ...
1
vote
1answer
48 views

Same hardware: better to have 1 VPS than OS directly on hardware

I have a dedicated server. I read here that VPS is better because it can be booted and restarted quickly. I'm not sure if this applies to my case or not, but my question is: Is it better to have 1 ...
1
vote
3answers
2k views

is it possible to check CPU and RAM usage of the OpenVZ *host* machine from within a VM?

I have purchased an OpenVZ VPS from one of the hundreds of internet hosting companies. I dont pay much for it, but lately performance has been terrible. They are obviously overselling, but I am ...
0
votes
2answers
1k views

Is it possible to install VMware on a Virtual Private Server?

I recently purchase a VPS hosting package, which allows me to have full root access to Microsoft Windows Server 2008 R2. I can access the VPS with Remote Desktop and install any application I like. ...
1
vote
1answer
173 views

openvz node with only one vps

I have an openvz server with 2Gb ram and would like to configure a vps for use all server resources (no swap). I run: vzsplit -n 1 -f vps1 -s 0 and have this setup: Configuration file generated by ...
4
votes
1answer
274 views

RAM burst, myth or reality?

Often when buying a VPS, we are faced with a number of features. These include the RAM. In XEN virtualization RAM and swap is (or should be) dedicated. In OpenVZ, how important is "burst"? I ask ...
2
votes
4answers
8k views

Determine what's causing high disk IO

I'm having a problem with my VPS and disk IO. My server is running nginx + PHP-FPM + APC. The database is located on another dedicated VPS. I have several Wordpress MU sites living on the web server. ...
0
votes
1answer
1k views

Benchmarking hosting providers IO with Bonnie

Ok, because of a bunch of projects I'm working on I've access to dedicated Servers on a 3 hosting providers. As an experiment and for educational purposes I decided to see if I could benchmark how ...
22
votes
2answers
34k views

Difference between Xen PV, Xen KVM and HVM?

I know that Xen is usually better than OpenVZ as the provider cannot oversell in Xen. However, what is the difference between Xen PV, Xen KVM and HVM (I was going through this provider's specs? Which ...
2
votes
1answer
999 views

How to check a VPS virtualization

How do I check whether my VPS is OpenVZ or XEN? (I ordered a while back and don't remember exactly which plan I ordered!). OS: Linux running ubuntu. thanks JP
0
votes
1answer
105 views

I have 8 server-grade machines used for development. Should I create a VPS cloud?

My idea is that each user can spawn a VM, then use dist-cc to do compile using other VMs in the cloud. Is such practice common in development environment? Would performance be much worse than just ...
0
votes
3answers
145 views

How can I run vmware server (or equivalent free vmmachine server) on a cluster of several machines?

I would like to create a cluster of computers in order to run a virtual machine server (preferably vmware) as if the cluster were 1 big machine. What software and OS do I need for this and how do I ...
0
votes
2answers
218 views

Is Xen virtualization similar with amazon's S3 creating an instance?

Hi is Xen virtualization similar with Amazon's S3 creating an instance? What's the difference between then and what about cloud computing? Thanks in advance!
0
votes
3answers
162 views

I have some questions regarding VPS and what I should order?

I have a classifieds website, with around 50thousand ads put in every month. I don't have any more statistics than this. I use PHP and MySql currently, and I am about to install Sphinx or SOLR on ...
0
votes
3answers
219 views

Whats the normal Enterprise server configuration who use VMWARE

I am using vmware in my home and i have 8Gb RAM. I was thinking that in Practical or enterprise who hosts the VPS. How much is their configuration in terms of RAM and processor. And usually How many ...
1
vote
3answers
645 views

Which VPS/VM virtualization host server software should I use? [closed]

I am looking to get a start in the cloud computing market, but from the ground up. I have been through the ringer with VM-Ware claiming free, but meaning $5-20k for things you actually need out of it. ...
0
votes
1answer
997 views

VPS With 30 Sites - How much RAM do I need?

I have a VPS running a 64-Bit Windows 2008 server with: 1.9 GB of Ram [that RAM is dedicated to this VPS - not shared] Currently I have 30 websites (all running the my custom ecommerce app) running on ...
3
votes
2answers
239 views

Virtualization as a way for scaling

I'm asking this question to find out what are you best practices to prepare your system for scaling, I know that basically you don't have to over optimized before really having to, and that's the best ...
1
vote
1answer
322 views

VPS solution to match cloud scalabilty and reliability

Having this architecture in mind: server 1: webserver - floating/surges of CPU load and BW consumption server 2: dbserver - floating I/O from webserver and steady/heavy I/O from batch-process server ...
1
vote
5answers
155 views

Can I migrate a virtual system between providers?

I'm considering the services of a Virtual Hosting Provider. Are there a set of vendors that support exporting and importing system images, such that a system running on provider A can be migrated to ...