Cloud-Computing: Marketing term for clustered resources

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33
votes
6answers
20k views

How to add a security group to a running EC2 Instance?

I have an Amazon EC2 instance running and I will like to add another security group to that instance and then remove the current security group from that instance. Is this possible?
30
votes
2answers
7k views

Why does Heroku warn against “naked” domain names?

I ran across this page in the Heroku docs... Naked domains, also called bare or apex domains, are configured in DNS via A-records and have serious availability implications when used in highly ...
29
votes
8answers
4k views

How are admins managing their EC2 EBS's and Snapshots?

My company is moving our hosting to Amazon and I'm working though all the migration issues. It has been quite a challenge transitioning from physical hardware to transient virtual machines. One of ...
28
votes
11answers
21k views

Is virtual machine slower than the underlying physical machine?

This question is quite general, but most specifically I'm interested in knowing if virtual machine running Ubuntu Enterprise Cloud will be any slower than the same physical machine without any ...
18
votes
16answers
1k views

The Hidden Risks of Cloud Computing?

In an era of ubiquitous broadband, smart-phones, and users who manage multiple computers and devices, it just makes sense to move your email, photos, documents, calendar, notes, finances, and contacts ...
17
votes
3answers
6k views

What are the benefits of running chef-server instead of chef-solo?

I am looking at automated deployment solutions for my team and have been playing with Chef for the past few days. I've been able to get a simple web app up an running from a base Red Hat VM using ...
13
votes
2answers
1k views

Has anyone got billed for malicious activities (DDoS) on a cloud server?

I would like to know if anyone got billed beyond expectation on a cloud service because of malicious activities (DDoS, etc)? How does EC2 and/or Rackspace Cloud handle these issues? Thank you!
11
votes
7answers
4k views

Cloud Providers that support FreeBSD? [closed]

NOTE: Even though I've accepted an answer for this, if you have a better one, please put it below. Thanks! I'm looking for recommendations from the wise and all-knowing Server Fault community on ...
11
votes
2answers
814 views

Why does Google recommend removing SSH keys from GCE for security?

Google recommends removing SSH keys from GCE instance to secure SSH. That does not make any sense to me. The keys are there for a security, right? When I remove the keys, SSHD stops working. I ...
11
votes
2answers
580 views

What is your favorite cloud computing provider? [closed]

Which cloud computing provider would you recomend for a windows stack, in terms of cost and reliability?
10
votes
2answers
5k views

Create an AWS HVM Linux AMI from an Existing Paravirtual Linux AMI

Is it possible to create a hardware virtual machine (HVM) AMI from an existing paravirtual (PV) AMI. My initially thought was to start a new PV instance and use the ec2-create-image command to ...
9
votes
10answers
11k views

Which Distributed File System as a backend for Cloud Computing?

I have a basic cloud running on Ubuntu Server (9.04) and Eucalyptus. Walrus (Eucalyptus' API compatable S3 implementation) stores files by on the cloud controller. However each of the other 4 server ...
9
votes
3answers
2k views

What's the easiest way to back up EC2 instances automatically?

I'm worried I might log in one day and my fully configured instance has been removed. I would like to be able to back it up daily to S3 but frustratingly this is not a simple setting in the console. ...
8
votes
5answers
3k views

amazon cloud vs rackspace cloud [closed]

I'm looking to take a dedicated server - in the process I read about Amazon Cloud computing & Rackspace Cloud Servers. Now I'm not sure which one to opt? Could somebody suggest - Performance ...
8
votes
4answers
2k views

What Makes Cloud Storage (Amazon AWS, Microsoft Azure, google Apps) different from Traditional Data center storage networking (SAN and NAS)?

Some confusion because of my question so to make it simple : "What kind of storage do big cloud providers use and why?" As far as i understand, however I am not able to find any kind of official ...
8
votes
4answers
2k views

Where is log output from cloud-init stored?

Where does output from cloud-init (automatically runs scripts when starting up a virtual machine in the cloud, for example at Amazon EC2) go? I would like to know that my initialization scripts ...
8
votes
3answers
2k views

How to cap bandwidth usage on AWS EC2?

I'm planning to use AWS EC2 for my web application and I need control over the bandwidth usage (don't want the instances to be compromised and ramping up bandwidth cost crazily). There are many ...
7
votes
6answers
947 views

Getting rid of your server in a small business environment

In a small business environment, is it still necessary to have a central server? Speaking for my own company (a small charity with about 12 employees) we use our server (Windows Server 2003) for the ...
7
votes
1answer
10k views

How do I set up an sftp user to login with a password to an EC2 ubuntu server?

I have an Ubuntu Server running on an EC2 instance. To login to that server I use a certificate file without any password. I've installed and configured vsftpd and created a user (let's call him ...
6
votes
2answers
333 views

Cloud infrastructure for home and personal experimentation? [closed]

As with many techies-- I've accumulated a number of older x86 servers, x86 desktops, and Cisco switches over the last few years. I'd like to build a small cloud cluster for web app experiments (web ...
5
votes
4answers
7k views

Comparison of cloud hosting providers [closed]

Is there a place where we can compare* the many new arising cloud hosting providers? From reading into each of them, they seem very different and range from just hosting applications (google) to a ...
5
votes
6answers
1k views

(*nix) Cloud/cluster solutions for scalable web-services

I'm going to build a high-performance web service. It should use a database (or any other storage system), some processing language (either scripting or not), and a web-server daemon. The system ...
5
votes
5answers
995 views

Ec2 Denial of Service: Securing cloud based website from DOS attack

How can I prep up my website infrastructure running on an EC2 instance against DOS attacks? I run apache with nginx as reverse proxy
5
votes
4answers
5k views

Windows desktop (XP, Vista or Win7) EC2 AMI for QA testing

I need to perform QA testing for Windows based applications on a Windows desktop client and I would like to know if EC2 supports Windows images that are NOT server based (e.g. Server 2003). I have ...
5
votes
2answers
1k views

What is Ubuntu enterprise cloud?

If I install Ubuntu 10.04 Server, will it provide me with virtual machines which I can use to install different OSes? I need Debian Lenny on a VM for example. What facilities does it provide? Is it a ...
5
votes
3answers
260 views

How can I calculate how much a high volume site would save with cloud computing Vs. traditional hosting?

How can I calculate the required bandwith and cost of hosting a site that would have around 3 million unique visitors per year? I wanted to come up with an estimate of how much cost could be saved by ...
5
votes
4answers
447 views

Migration between OpenStack and RackSpace cloud

So I am deploying a OpenStack private cloud in my business. As I understand from research the OpenStack project was created by RackSpace and that their own cloud platform uses OpenStack. So my ...
5
votes
2answers
743 views

Is Amazon EC2 reliable for benchmarking?

I've been rethinking the compiler shootout and I began to wonder: is Amazon EC suitable for benchmarking? The environment is totally virtual, so are there any guarantees that benchmarking results will ...
4
votes
6answers
2k views

Are Rackspace's Cloud Servers really cloud hosting?

I may be confused about what cloud hosting really is... I asked Rackspace how its Cloud Server (CS) 256MB/10GB compares to Slicehost's 256slice VPS, and they said it's exactly the same (only ...
4
votes
6answers
895 views

Co-location vs. cloud hosting

We have a decent-sized server estate: several ProLiants, plus IBM BladeCentre and SANs running a VMWare environment. Due to an imminent premises move, we're not going to have enough space for a ...
4
votes
2answers
1k views

Are there any hosts that use openstack? [closed]

http://www.openstack.org/ I'm looking for a good cloud hosting company with utility style costs (paying for how much bandwidth, hard disk, cpu is used.
4
votes
2answers
184 views

Does Cloud Computing COST a premium? (or is it competitive with shared/managed/co-location)

Since cloud solutions (Google AppEngine, Amazon, etc.) do more for you, at the end of the day do they cost significantly more than doing it "yourself" with co-location hosting, etc. Not just ...
4
votes
4answers
2k views

Is it possible to host email and DNS on AWS

We are working towards moving our app to AWS. I have heared that email and DNS cannot be hosted on AWS, is this correct? If this correct, then what are my options?
4
votes
2answers
2k views

Instance's deployment / post configuration for AWS Elastic Beanstalk

I am using AWS Elastic Beanstalk, it is easy to start with deploying Java based web app, which is great. However, I want to install Memcached on every instance locally so they can be used for ...
4
votes
8answers
2k views

Multiple servers vs 1 big server performance

My team of developers has suggested a server structure for an upcoming project we are developing. Our structure is "logical", meaning that the various logical components of the application (it is a ...
4
votes
2answers
3k views

How to configure IIS wildcards for account subdomains (like Basecamp)?

In effect I'm working on a SaaS application where I want to give subscribers their own subdomain to access their information (in code I will be pulling the first part of the subdomain for use as their ...
4
votes
2answers
730 views

High CPU performance on a cloud hosting platform

We need a cloud hosting platform that provides high CPU throughput for a very specific high-CPU utilization application we have. Can anyone recommend a cloud hosting platform whose virtual instances ...
4
votes
3answers
1k views

Using Load Balancer in Rackspace cloud for website HA

I have tested tomcat specific clustering with apache mod_jk and mod_proxy on ubuntu local VMs for our website high availability and load balancing. The real servers are hosted by Rackspace cloud ...
4
votes
3answers
377 views

How to Architect a system on AWS for scaling (with a MySQL back-end)

I'm trying to understand how to architect an Amazon Web Services application. As I understand it, the whole point of using something like AWS is to make the eventual scaling easier, so I'm trying to ...
4
votes
1answer
1k views

Custom Windows AMI for Amazon EC2

I am new to the Amazon EC2 services and I am planning to host a Windows based vm on Amazon. I have lot of fuzziness about AMIs on Amazon. So my first question would be, am I be able to install ...
4
votes
1answer
429 views

What are the functionalities of Distributed File systems and Distributed Storage Systems?

i'm reading cloud vendors solutions for the distributed storage systems such as Amazon Dynamo and Google Big Table. and really confused in two terms : what is Distrubuted file systems, Do cloud ...
4
votes
2answers
274 views

Error when configuring Hudson EC2 Plugin

I want to run Hudson on EC2 and use Hudson's EC2 plugin to create Hudson slaves to run my tests. I installed it, but when trying to configure it, I get a lot of errors: What's going on? How can I ...
3
votes
3answers
835 views

Why do cloud providers calculate per hour? Who turns off their servers anyway?

I'm not tech/unix/sysadmin ignorant, but i still can't understand why Amazon, Rackspace, Azure, GoGrid, Linode and these guys calculate their instances per hour used... I have to ask... Who on earth ...
3
votes
4answers
902 views

When should one use the following: Amazon EC2, Google App Engine, Microsoft Azure and Salesforce.com?

I had asked this question on StackOverflow. It was suggested to post it here too. When should one use the following: Amazon EC2, Google App Engine, Microsoft Azure and Salesforce.com? Please share ...
3
votes
5answers
769 views

Is Apple going to miss out by not allowing to virtualise Mac OS X? [closed]

As far as I know you are not legally allowed to virtualise Mac OS X. Recently Amazon added Windows support to EC2 so you can now run Windows, Solaris, BSD and Linux instances in the cloud. With Apple ...
3
votes
4answers
2k views

Amazon EC2 bandwidth charges in case of unwanted incoming traffic(ddos/flood)?

What happens if my EC2 instance gets ddosed/flooded, which could potentially go up to tens of gigabytes an hour(and even more) of undesired incoming traffic, will i be charged for this traffic? My ...
3
votes
4answers
705 views

Setup local EC2 style cloud?

I was recently given 3 dual opteron 2400 servers with 4GB of RAM and 120GB hard drives. I am interested in setting up something similar to Amazon's EC2 for my own personal web development use. ...
3
votes
5answers
5k views

How is cloud computing differrent from client-server architecture?

I want to know the difference between cloud computing and client server architecture. I mean how is cloud computing different from a website that provides me some services. And what is the meaning of ...
3
votes
7answers
262 views

Is cloud hosting, computing, server etcetra a buzz phrase?

I want an unbiased approach towards cloud term that is being hyped today. Is this really a new term, new dimension or is it just a buzz phrase to re-market existing technologies. Personally I think ...
3
votes
7answers
4k views

Choosing a monitoring system for a dynamically scaling environment: Nagios v. Zabbix

When operating in the cloud and scaling boxes automatically, there are certain monitoring issues that one experiences. Sometimes we might be monitoring 10 boxes and sometimes 100. The machines will ...