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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121 views

Advice on backup solution for Azure virtual servers?

I need to devise a backup solution for some Azure virtual machines, in a hybrid cloud scenario (persistent VPN, Active Directory DCs present in both the company LAN and the Azure virtual network, all ...
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0answers
30 views

Local DHCP to setting up Nimbus cloud networking

I'm currently trying to install the Nimbus cloud in two machines (centOS 6) test environment inside the department/university network. The problem is that I can't install directly a DHCP server and ...
12
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2answers
919 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 ...
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3answers
333 views

Monitoring / metric collection for system collectives that change a lot in time (a.k.a. cloud) [closed]

When your server fleet doesn't change a lot in time, like when you're using bare-metal hosting, classic monitoring and metric collection solutions (Nagios, Munin) work well. But if the number of ...
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1answer
395 views

Attempting to restart google compute instance “INVALID_FIELD_VALUE: Invalid value for field 'resource.@': '@'. Resource was not found.”

Using the website https://console.developers.google.com, i have tried unsuccessfully to fire up an instance on the google compute engine cloud. It stopped and started just fine months ago, but every ...
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1answer
158 views

Can you install CoreOS on terminal.com? [closed]

Does anybody know how, even if it is possible, to install CoreOS on terminal.com ?
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1answer
194 views

Can Linux cloud servers be used for render farms [closed]

Can Linux cloud instances (e.g. on Digital Ocean or Linode) be used for own, on-demand render farms? Are there any open source solutions for "slave" servers? EDIT My research didn't lead me to ...
0
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1answer
133 views

Openstack: Starting multiple shutoff intances

I am using Openstack Icehouse running on Ubuntu. After rebooting Compute node all instances that were running there will be in shutoff state. Is there way to restart them all at once? Only thing I ...
0
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1answer
83 views

AWS SSD Volume pricing and IO requests [closed]

I'm looking at the pricing for the new SSD storage volumes here, and I see that there is no listed charge for per 1 million I/O requests like there is with magnetic volumes. Does that mean there is ...
0
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1answer
123 views

Proxy / IP clouds, how do companies acquire them?

I have seen a number of companies providing proxy clouds or IP clouds, whereby each of your web requests ultimately goes out through a random IP/proxy. You send your request to their IP and they ...
1
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1answer
96 views

How do I back up AWS S3 and EBS to a non-Amazon provider?

We've centered most of our operations on AWS, and love the ease of use there. However, every once in a while, the paranoid side of my brain wonders what could happen if, say, the bad guys got hold of ...
2
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1answer
176 views

How to launch EC2 instance with preconfigured AWS Alarm

I wan't to kill a specific instance when some of it's hardware consumption metrics reaches a certain level. If i create an alarm for the scaling group (setting maximum cpu consumption threshhold to ...
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3answers
112 views

How to manage resources in a multi-cloud service environment?

I am trying to setup an environment which will allow our development team to centrally manage all our cloud-based resources/services available. I have already looked at a variety of tools, but I am ...
2
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1answer
61 views

Is it possible to let a web application use the combined hardware resources of a few server machines using Apache Mesos?

I am studying a framework called Apache Mesos. I am totally new to this framework. According to this website, it can combine your datacenter servers and cloud instances into one shared pool from ...
0
votes
1answer
35 views

Ldap with cloud application

I was wondering if you guys could help me, I'm trying to use ldap to connect with our AD but the settings on the cloud app seem to fail. How do you set up ldap with external servers? Is there some ...
8
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0answers
2k 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: ...
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votes
1answer
39 views

Confused with hosting types [closed]

Hey guys am going to buy a linux vps server.But i have some doubts regarding about this. I know cloud server and vps server are very different from each other ..i have heard digital ocean provides ...
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votes
3answers
117 views

VPS versus Cloud [closed]

Could a cloud enable me to copy/paste a VPS from one physical server to another? I run a few VPS machines and am curious to know if a cloud would benefit me. What would be really cool is if a cloud ...
0
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1answer
58 views

How to live a Pleskless life? [closed]

I have always used Linux with Plesk when hosting web projects. It's easy to host multiple websites and setup email accounts but I realized it's overkill sometimes. I think it uses a lot of resources ...
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votes
1answer
151 views

Which one is better ? one big server or two small servers for mysql and apache? [closed]

I am moving my small phpBB website from a hosting to cloud (digitalocean) the size of my mysql server is 400MB, and I wonder if I should buy one big server for my site or two small servers ? let say ...
1
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1answer
68 views

Change Hardware Resources During Certain Times Of Day On Windows Azure Virtual Machine

I thought I read you could change the hardware resources during certain times, days, etc for Windows Azure Virtual Machines. I however don't see this option, am I missing it in the Azure portal or is ...
-4
votes
1answer
40 views

What is the significance of having the correct hostname for a cloud server in the control panel of the hosting company [closed]

What could be a problem that could arise if i do not have the correct hostname as my device name for the cloud server in a control panel of my hosting company basically the device name is supposedly ...
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0answers
54 views

Single instance EC2 env versus multiple split stack?

I am fairly new to AWS and have designed a fairly flexible architecture which is fairly performant and fault tolerant over multiple regions/AZs However I was thinking - what would the main ...
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1answer
44 views

Doubts about Cloud Infrastructure [closed]

Maybe a little more of the same questions that others have asked but wanted to clarify my doubt, for some years run my hosting company (reseller of esds) and I've done well so far, but I am determined ...
0
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0answers
262 views

apache2 on cloud 9 : could not read /etc/apache2/envvars

I'm trying to get a Laravel app up in the new cloud9 beta, and hopefully the last step I need is to get mod rewrite working. I looked up how to do it and so I've been trying: sudo a2enmod rewrite ...
2
votes
1answer
220 views

How to remove / add public network to a server in Rackspace API

I have a server in Rackspace API. I would like to use the nova command to remove the public network interface. I am using the command: nova virtual-interface-list <instance_id> and then ...
1
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1answer
120 views

Elect which instance to tear down in Azure

Suppose I want to scale up/down my Azure Cloud Service Programmatically. The scaling up case is easy. But when scaling down, can I control which instance gets torn down? Is this predictable? In my ...
0
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1answer
205 views

Using DHCP, is it possible to obtain an IP address & MAC address for a cluster? [closed]

I know that DHCP assigns IP addresses, but does it also assign a MAC address? Is this a commonly used paradigm for cluster/cloud computing? Perhaps DHCP could be used to dynamically assign a new IP ...
0
votes
1answer
81 views

How can I use hardware VPN connections from the cloud?

We currently host our servers in a typical hosting environment. We connect to several third parties via VPN connections. Each third party stipulates what VPN devices we can use to connect to their ...
0
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1answer
284 views

How does migrating a running Virtual-Machine from one Hypervisor to another actually work?

How does migrating a running Virtual-Machine from one Hypervisor to another in a cloud environment actually work? I know that it is possible and that this feature exists. But what does actually ...
0
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0answers
588 views

Cannot connect SFTP with FileZilla

I have OpenStack Havana installed in Ubuntu 12.04.4 Server. I have successfully launched a Ubuntu Cloud image's instance in OpenStack. I can successfully ping/SSH to my instance via my OpenStack's ...
0
votes
3answers
192 views

store log files in the cloud, when servers are not in the cloud

We're looking at a long-term migration towards the cloud. The plan is to start small, and gradually move less essential parts of the infrastructure into the cloud. All good so far. Part of this ...
2
votes
2answers
122 views

Looking for recommendations on how to evaluate replacement of on-premise server with new server or go to cloud

My business has about 15 people in a single location. We've lived forever off a local Windows Server for file sharing (about 800 GB) and access to our accounting system, which is also file system ...
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2answers
82 views

Deploying a private DAAS?

I am an electronics student who is doing an internship at a Data center. (have small to no knowledge about virtualization, cloud, computer networks). My friend and I were given a chance to deploy and ...
0
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1answer
239 views

Node.js ESB authentication for connection to cloud based services

I've been looking at Authentication for Node.js and it seems like http://passportjs.org/ fits the bill quite nicely. Do you think that this would be a good candidate to interface with all major third ...
2
votes
1answer
86 views

Serving multiple web-service instances [closed]

We're building an API-based web solution on Python which is going to be delivered to individual customers. Each customer is going to have a separate dataset. Currently, it's not a problem to deploy ...
0
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1answer
35 views

Upgrading your cloud application when running it on a live cluster?

I am working on a cloud based application which installed under Ubuntu as you would otherwise expected. For example, the server is installed as follow: apt-get install snapserver We have nearly 20 ...
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1answer
126 views

Which cloud providers which let you spoof an outgoing IP address, and how? [closed]

I have a web application which is load-balanced using LVS which has been hosted within my organization's network to this point. We've used both direct and tunnel routing within LVS, which results in ...
0
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1answer
58 views

EC2 Spot Instance Capabilities

I'm planning to bring up a few EC2 Spot Instances in the near future but, before I do, I have a couple of questions that I couldn't find answers to in the documentation. I was curious if it was ...
0
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0answers
4k views

Synology Cloud Station selective folder synchronization

I'm in a lab and we share a Synology RS411 with the package 'Cloud Station' installed. We have a folder called 'LabUsers' and several subfolders under it for user-a, user-b, till user-z. Everyone has ...
1
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1answer
2k views

OwnCloud - Slow Transfer Rates - Unsolved Bug?

I recently setup an OwnCloud server. However, after installing the Sync Client I get very slow transfer rates. I might do 1GB a day. Is this just an issue with WEBDav protocol? I've read that there ...
2
votes
1answer
202 views

Servers Hostname Normalisation [duplicate]

I'm currently building a private servers farm with a thousand and thousand hosts, and I suddenly faced a really interesting question that I was unable to answer at the moment. Is there a Standard ...
-2
votes
1answer
62 views

Remote storage on ubuntu server

I have an Ubuntu server having limited storage, 30GB. I need extra 100GB, how can I have a remote storage or remote drive which does not occupy local space? Cloud services like dropbox take local ...
27
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8answers
5k 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 ...
2
votes
2answers
362 views

Amazon VPC Availability

We are trying to expand our reliability setup using VPC in us-west-1. The 'a' and 'b' AZs work fine, but when I try to create subnets on 'c' it just fails with the message: Value (us-west-1c) for ...
1
vote
1answer
1k views

What is the difference between OpenStack, CloudFoundry and Stackato?

I'm quite new to all this *aaS thing, and currently I'm trying to wrap my head around concepts and how things basically work. What puzzles me quite a bit at the moment is the difference between a ...
32
votes
7answers
5k 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 ...
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1answer
50 views

Scalable Cloud solution for High Availability [closed]

Scenario: I am about to launch a cloud software in a couple months. This will be a SaaS solution for multiple clients. The software deals with Healthcare o Encryption at rest is a requirement. It is ...
10
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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 ...
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votes
3answers
62 views

What program/service should I use to set up a file server and browse those files on the web? [closed]

I'm new to networking and IT, so I apologize for any gaps of knowledge in my query. I want to set up a file server for at least ten Windows 7 workstations so that these computers can download and ...