Cloud computing is the delivery of computing as a service rather than a product, whereby shared resources, software, and information are provided to computers and other devices as a utility (like the electricity grid) over a network (typically the Internet)

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31
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2answers
8k 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 ...
32
votes
7answers
4k views

If a Windows shop moves “everything” to the cloud, does it still need Active Directory?

Taking a spin off of this question: Do I really need MS Active Directory? in a new direction for 2014. Taking into account a basic Windows infrastructure: domain controllers Exchange 2007/2010/2013 ...
4
votes
3answers
780 views

Active Directory in the cloud

My company is considering implementing Active Directory and Windows Server to manage our local network and workstations. The main benefits sought are central management of machines, security ...
1
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6answers
2k views

Combine several physical servers into 1 virtual server

The current virtualisation splits one big physical server into smaller virtual servers. But is it possible to combine several physical servers into 1 virtual server ? UPDATE: We have several ...
6
votes
5answers
14k views

Amazon EC2 - No SSH After Reboot, Connection Refused

I've replicated this two or three times, so I'm guessing there's something wrong with what I'm doing. Here are my steps: Launch new instance via EC2 Management console using: Ubuntu Server 13.10 - ...
22
votes
4answers
7k views

Centralized management system for SSH keys?

We are looking to switch to key-based management of SSH logins, and wonder if there any key-management systems which would allow us to centrally manage the access keys world-wide. The system should ...
23
votes
3answers
7k 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 ...
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 ...
1
vote
5answers
734 views

Encrypted file system on Ubuntu cloud server

Hi We have a cloud server (AWS) running Ubuntu 8.04. All the employees (around 15 people) in the company have system accounts in the server and all are sudoers. We want to provide a way for all the ...
5
votes
1answer
139 views

Interaction between two Clouds

I have setup the Cloud-A with 1 - [CLC+CC] and 2 - [NC] computers. I have another Cloud-B with same configuration using the Ubuntu Enterprise Cloud Both of them working fine individually, in the same ...
1
vote
0answers
185 views

Mounting shared memory in XCP/ XEN Server,for storing VM

Requirement vm with 2HDD each 1gb OS will be installed on hdd 1 and required data on HDD 2 I want all my VM running on Xen Cloud Platform XCP 1.1 to use /dev/shm of host machine for HDD1. Is ...
24
votes
4answers
6k views

How can I pre-sign puppet certificates?

Puppet requires certificates between the client (puppet) being managed and the server (puppetmaster). You can run manually on the client and then go onto the server to sign the certificate, but how do ...
10
votes
3answers
6k views

Issues with EC2 Elastic Load Balancer DNS and routing

We're trying to run a fairly straightforward setup on Amazon EC2 - several HTTP servers sitting behind an Amazon Elastic Load Balancer (ELB). Our domain is managed in Route53, and we have a CNAME ...
19
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 ...
1
vote
3answers
392 views

On-site campus infrastructure migration to Amazon EC2. Feasible?

After a recent power outage, we've been re-evaluating how we can most effectively provide, maintain, and support our IT resources. One idea we've been considering is to move our non-critical ...
0
votes
6answers
6k views

How we build private cloud computing in my organization

I'm young admin in some organization, I would like to know how we prepare private cloud computing. Like what cloud computing consist of ? Regards Pond
3
votes
4answers
6k views

How Ubuntu cloud version enforces the “no root login” over ssh?

I'm looking to tweak ubuntu cloud version default setup where is denies root login. Attempting to connect to such machine yields: maxim@maxim-desktop:~/workspace/integration/deployengine$ ssh ...
3
votes
7answers
383 views

What is cloud computing?

What does "cloud computing" mean? There seems to be as many definition as there are people talking about it. Some people even say it doesn't exist. Personally, I think the "cloud" is a surge in ...
1
vote
1answer
375 views

Logging and Log-viewing tool for cloud?

I have an app which simply logs to a file. I am planning to deploy this app on cloud. If I deploy it on AmazonEC2 instances (multiple), I would want to monitor logs of every instance. Something which ...
0
votes
1answer
438 views

Dedicated server or Cloud Hosting [closed]

I just finished the BETA version of my Web SaaS application, it provides more than 15 service to WP users. Programming language : PHP 5 DB : MySQL 5 I used Codeigniter framework. The application ...
10
votes
4answers
1k views

Why use a print server?

We have 3 network-printers to manage for about 50 users. Until now we have used a Windows 2003 Server Domain Controller with print service as our print server, but we are migrating many services to ...
4
votes
2answers
297 views

The CPU and memory is limited in the Cloud, So where is the scalability?

I don't understand cloud, the CPU is limited, Memory is also limited, where is the scalability? Isn't it just the same like VPS with more expensive cost for bandwidth? So what scaling advantage is ...
3
votes
1answer
261 views

Which one to go Dedicated server or Cloud Hosting?

We are going to outsource a solution from the data-center (for some reason), it is a web solution built on .NET and SQL server and it has scheduled night services. I searched for Cloud Hosting (IaaS) ...
1
vote
2answers
819 views

What are my options with a downloaded Rackspace cloud image?

I've got an unresponsive Rackspace slice that has defied all attempts at accessing. I created an emergency image from this and deleted it, downloading the files that compromise the image to a local ...
5
votes
1answer
2k views

Amazon EC2 instance ssh problems

I`m new to EC2 and I'm having some problems setting up my first instance. I followed this guide: http://www.robertsosinski.com/2008/01/26/starting-amazon-ec2-with-mac-os-x/ with the difference that I ...
3
votes
2answers
900 views

Cloudify: bootstrap-localcloud: operation failed?

OS: Gentoo, CentOS Version: 2.1.0 Follow the quick start guide, I got the below error when running bootstrap-localcloud: cloudify@default> bootstrap-localcloud STARTING CLOUDIFY MANAGEMENT ...
3
votes
3answers
484 views

3 Servers, is this is a cluster?

At the moment I have one Ubuntu server, 9.10, running with a simple Samba share, a mail server, DNS server and DHCP server. Mostly its just there for file sharing and email server. I also have 2 ...
1
vote
1answer
40 views

User Account Not Listed in Gateway / or expecting IP address?

I’m trying to connect to my first VM that I've created on Azure. These are the steps I went through: When trying to connect I get this screen: It correctly lists the remote computer address ...
1
vote
1answer
398 views

How to host a single website on multiple geographically-diverse servers

I currently have 2 servers, using cPanel/WHM. The first one is a VPS hosted in London (we'll call it "international") and the second one is a dedicated server located in my country (we'll call it ...
1
vote
2answers
1k views

Rackspace Cloud Sites: Compute Cycles exploding. Very expensive

Since last week my compute cycles (CC) went through the roof (Rackspace Cloud Sites). Normally I stay under the 10,000 cycles per month . Now this month I already have more than 75,000 compute cycles. ...
1
vote
2answers
209 views

Updateing files on Amazon’s CDN

is there any way to update files stored on Amazon's CDN service? Seems like it won't take any update of a file we make (eg. removing the file and storing the new one with the same file name as ...