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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47
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2answers
13k 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 ...
38
votes
6answers
10k 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 ...
32
votes
8answers
12k views

What is the difference between a cloud server a virtual server and a dedicated server?

What exactly is the difference between a VPS (Virtual Private Server), a Cloud Server, and a Dedicated Server? I'm having trouble finding a concise explanation that isn't littered with advertising.
28
votes
8answers
7k views

Block employee access to public cloud

First of all, let me state that this is not my idea and I don't want to discuss whether such an action is reasonable. However, for a company, is there a way to prevent employees to access public ...
26
votes
4answers
23k views

How to move files between two S3 buckets with minimum cost?

I have millions of files in a Amazon S3 bucket and I'd like to move these files to other buckets and folders with minimum cost or no cost if possible. All buckets are in the same zone. How could I ...
25
votes
3answers
10k 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 chef-...
25
votes
4answers
11k 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 ...
24
votes
4answers
7k 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 ...
20
votes
17answers
1k views

The Hidden Risks of Cloud Computing? [closed]

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
5k views

Automatically Applying Security Updates for AWS Elastic Beanstalk

I've been a fan of Heroku since it's earliest days. But I like the fact that AWS Elastic Beanstalk gives you more control over the characteristics of the instances. One thing I love about Heroku is ...
15
votes
4answers
1k views

How to distribute torrent files?

I am doing some distributed work with RackSpace cloud servers and I am using bittorrent to distribute my files. It works surprisingly well. However, distributing the torrent files themselves are not ...
13
votes
3answers
11k 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 ...
13
votes
2answers
1k views

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

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!
12
votes
3answers
665 views

Which cloud services will be around in 2015? [closed]

There are several cloud service providers. But, if you're going to design an app that runs on their infrastructure, you have to have confidence that they are going to be around for a while, and that ...
12
votes
4answers
4k views

Running a Small 64bit Amazon EC2?

I'm playing with Amazon EC2, and I've got a 64bit AMI, but when I launch it, the 'Instance Type' only has 'Large', 'Extra Large' and 'High-CPU Extra Large', no 'Small' which the documentation lists as ...
12
votes
2answers
1k 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
4answers
2k views

What happens when a physical machine fails in a virtual environment? [closed]

I'm getting started with virtualization so bear with me. In virtual environments applications run in a hypervisor's layer. So a single physical machine could have many virtual machines on it running ...
11
votes
4answers
9k views

What's the difference between cloud hosting and normal hosting?

What's the difference between cloud hosting and normal hosting? And when do you use each? What are the benefits to the customer?
11
votes
7answers
5k 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 ...
10
votes
4answers
2k 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 ...
10
votes
9answers
33k 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 - ...
9
votes
4answers
621 views

Moving all internal servers to the cloud

Background One of my clients is an IT-dependent workflow-driven law firm with about 50 seats. They have been audited by one of their clients (an FSA regulated mortgage lender) and told that their ...
8
votes
4answers
386 views

What's the exact technical difference between a public and private cloud?

I'm trying to figure out for a while now what the exact technical difference is between a public and a private cloud. I'd think I could find an article that describes exactly how it works, but so far ...
8
votes
1answer
243 views

Best Foundation for Mesos Deployment

We are currently in the process of designing the architecture of our new Apache Mesos cloud setup. The goal is to unify our systems by moving different stacks onto the same architecture. The main ...
8
votes
0answers
3k views

How do I install CoreOS on Linode? [closed]

I'm trying to install CoreOS on my linode server, I followed the guide for installing custom linux distributions here: https://library.linode.com/custom-instances/custom-distro-howto#sph_creating-the-...
7
votes
6answers
4k views

What is a practical way to mirror an Amazon S3 bucket?

I want to mirror my Amazon S3 buckets. I want to do this because 1) I don't want all my data only existing with one provider; and 2) in case of software error or security breach I want to have the ...
7
votes
2answers
4k views

Is there a cloud-based reverse proxy solution in AWS?

The system I have an API deployed on EC2 machines on AWS. Incoming HTTPS requests are passed to an elastic load balancer. The load balancer handles the SSL, and passes the request to an Nginx server, ...
7
votes
4answers
1k views

What is the cheapest non-colocation way to serve about 10 static files at a rate of 100 megabits per second to the web? [closed]

I've looked at Amazon S3 and it costs roughly $4746 per month for 100 megabits/s (which translates into 31,640 Gigabytes of data transferred. That's at a rate of $0.15 per gig.) I haven't found a ...
6
votes
3answers
8k views

Fastest time to get an EC2 instance running

I am considering moving from a VPS to EC2. EC2 is elastic and so is its pricing; I could boot my instance on demand, then let it shut down if it isn't active by the end of some hourly period. How ...
6
votes
2answers
1k views

What are common strategies for configuration management on EC2?

Without using a 3rd party cloud configuration service, what are common patterns/strategies or whitepapers written on the subject of configuration management with EC2? Specifically on how to configure ...
6
votes
2answers
1k views

Creating a pseudoterminal to make sudo happy

I need to automate the provisioning of a cloud instance (running Fedora 17) for which the following initial facts are true: I have ssh-key based access to a remote user (cloud) That user has ...
6
votes
2answers
793 views

Cloud vs traditional iSCSI, xen, drbd, etc

I was wondering, how does a 'traditional' virtual machine setup with storage on iSCSI, with a fallback using DRBD, nodes with Xen installed the 'normal way', storing their images on the iSCSI target, ...
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
2answers
804 views

Why do we use a OS Base Image with Docker if containers have no Guest OS?

I've just started to study Docker and there's something that's being quite confusing for me. As I've read on Docker's website a container is different from a virtual machine. As I understood a ...
5
votes
2answers
594 views

persistent storage on Amazon EC2 and other questions

i come from the land of VPSes, and all this cloud hype confuse me. i have been reading through the amazon EC2 guide for the past 2 days, but i still have few sketchy points i'm not understanding. if ...
5
votes
6answers
2k views

Where is the best place to buy fast CPU time? [closed]

I sometimes have some data processing jobs to run, but my laptop is not fast enough (2.4 Ghz Core 2 Duo) or don't have enough memory (4 GB). It may need to run for days. I want to buy fast computing ...
5
votes
1answer
3k 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 ...
5
votes
2answers
3k views

Can I host my web application in Cloud?

I have made a small web application created in J2EE which i want to develop as a "business". Can i host it in one of the cloud services ? Please do advice me as well on this issue. Will the cloud ...
5
votes
1answer
99 views

Track bandwith usage by application

I have a server at Rackspace and noticed my server is suddenly sending out 2GB of data per month (this is atypical since I don't use it that much) How can I figure out what application is using that ...
5
votes
1answer
143 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 ...
4
votes
3answers
1k 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 ...
4
votes
3answers
941 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 policies,...
4
votes
3answers
418 views

Server recommendation for startup company… Cloud or not?

I have some general questions regarding the "best" way to deploy a web application (and host wordpress blog) for a small startup company with limited capital. Right now we have a simple Ubuntu ...
4
votes
4answers
7k 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 root@...
4
votes
2answers
314 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 ...
4
votes
7answers
6k views

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

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 ...
4
votes
2answers
612 views

Filesystem redundancy + speed

Looking for some input and if anyone has conquered this problem with a solution they feel confident about. Looking to setup a fault tolerant web environment. So the setup is a few nodes behind a ...
4
votes
1answer
595 views

How do I register only internal NIC address in AD DNS, with servers with multiple NICs?

I'm hosting some Windows servers on Rackspace, and have added them to a domain. Each server has two NICs, a public and private NIC. The public NIC has a public IPv4 and IPv6 address, while the private ...
4
votes
5answers
6k views

Simple Linux server benchmark?

I am working on a product which will run on customer's Linux servers. These systems vary in capability greatly and I'd love to have a single benchmarking tool which I could ask them to run to get an ...
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.