What, if any, metrics are software-as-a-service and storage-as-a-service vendors providing when it comes to electrical consumption? My company’s “green” policies have some guidelines about our vendors, but outsourced IT seems to be a black box right now. Some companies, particularly storage providers, have been more forthcoming than others, but I’m wondering if others have run [...]
Can anyone tell me comparisons/provide links to comparison articles on VMware ESX, Xen Enterprise and Virtual Iron? Not just performance but features? Thanks!
I now have a need to give a vendor file acces, specifically a certain folder on the network, but want to lockdown access to drives when I publish explorer.exe. Currently I have simple OU’s in AD with users, and no seperate GP for the Citrix server itself. Every domain user has default access to Citrix via Security Groups linked to [...]
I want to setup virtualhost on my apache server so that i can run more than one website on the same server without using www.localhost/mysite_name.com. If i get it right, using just www.mysite_name.com shld work but it doesn’t yet. The help I cud find thru google weren’t clear to me. Currently, localhost is my server/domain [...]
Here are the most popular blog posts on the ITKnowledgeExchange network this week. Read the rest of the top 10 on the Community Blog, or apply for your own blog by e-mailing me at Michael@ITKnowledgeExchange.com. 1. How to allow the root user to log in to VMware ESX Server with SSH David Davis’ how-to on [...]
What are you using to monitor cloud/*aaS deployments to make sure vendors meet their SLA? Right now, we have a few SaaS applications deployed, and while uptime is somewhat easier to check, how do we determine latency fault and under-performance? Also, if we move into storage as a service, any monitoring tips there? Thanks.
I am in a quandary and wanted some useful input on what will surely be, in the not too distant future, a very seamless and straightforward process. How can one seamlessly and intelligently migrate an in-house Exchange environment to a cloud/hosted based service? In short I have facilitated a number of migrations now and each [...]
For February, ITKnowledgeExchange is building out a guide on cloud computing. What is on your recommended reading list for getting up to speed or tackling particular technologies? Thanks for any suggestion to our reading list!
Can anybody enlighten me about what kinds of things are in a real SLA for a cloud? I’m primarily interested in performance and availability. My reason for asking: A research group I’m becoming affiliated with has a neat technique for optimally scheduling tasks to provide realistic guarantees on completion. The nice part is that they [...]
I’d like to set up a VPN network across Amazon’s EC2, across both the US and Europe and my own network over IPSEC. Does anyone have experience setting up VPN on EC2, and any points to make it work well?
It used to be a good design to not only run applications in different tiers, but also physically separate them on different network switches. Network devices have since improved (security wise) and some folks seem to be alright with virtual switches. And then came the cloud infrastructure where security is mostly limited to host based [...]
Are compliance concerns (such as PCI DSS) or more general data security concerns preventing you from moving data to the cloud? What would be required for you to reconsider your position?
Tick tock, tick tock. What’s that sound? The countdown for the Nexus One Challenge. What? You’ve moved on? Well
What tools and methods do you use to predict when you’ll need to expand capacity in your virtual infrastructure? How do you add VMs effectively to the system and still make sure you’re allocating resources well? Any tips would be appreciated.
Hello, We currently use biometric authentication (Sagem Morphosmart 1300)on our clinical units in a hospital setting. These COWs are powered by a battery power supply located on the cart and there is no battery in the laptop. We have consistently and frequently experienced USB failures on the biometric devices where staff has to unplug and plug [...]
Do you use blades or rack servers as a virtualization platform, or do you not have a standard platform? What justified your decision?
We’ve recently received some spanking new IT Knowledge Exchange stickers and we’d like to send them to you, our steadfast question-askers. The rules are simple: Ask a question in the community, then send me an e-mail with: Link to the question Your preferred mailing address We’ll mail you a free IT Knowledge Exchange sticker. There [...]
I am getting the following error when I try to log in to vsphere client on my Windows Server 2008 R2 “Error Parsing the server “x.x.x.x” “clients.xml” file Login will continue contact your system administrator” Does anyone know a fix for this?
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