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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3answers
60 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 ...
-6
votes
0answers
26 views

Why there isn't any cloud hosting provider offering public facing servers without nat? [on hold]

Major players offers VMs and servers behind a NAT, as I can understand the benefits of this, there are some situations in which a NAT is problematic, such as in a technique called UDP hole punching, ...
-1
votes
0answers
27 views

Dedicated, VPS, Cloud, PaaS or What? [duplicate]

We're a startup (no money) and we are ready to launch our product (SaaS). Out product consist in : 1) Frontend Dynamic website (PHP) 2) Backend software(java) which runs once in a while upon user ...
1
vote
1answer
25 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 ...
-2
votes
0answers
32 views

Cloud, grid, xen, performance [on hold]

I have some problems on my grid. I have 5 servers on it, running xen, but somehow, the IO on one of the machines (SQL server) are running extremely slow. But not just on VM, but on the servers too ...
0
votes
1answer
23 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 ...
-5
votes
1answer
34 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 ...
-5
votes
3answers
66 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 ...
-4
votes
1answer
62 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 ...
0
votes
0answers
18 views

What is best way to identify hardware requirements [duplicate]

What is best and closest way to identify ballpark hardware requirement of web application for cloud - IaaS. We already know few things like - asp.net mvc based 20K users 50-100 concurrent users ...
1
vote
1answer
38 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
21 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 ...
0
votes
0answers
25 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 ...
-1
votes
1answer
31 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
votes
0answers
42 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 ...
1
vote
1answer
54 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 ...
2
votes
1answer
169 views

How to use Google Drive as secure storage on a linux server

since google dropped the price for storage recently I thought about using it at my storage servers too add storage capacity easily. What I found so far is the ability to mount the google drive into ...
1
vote
1answer
30 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
votes
1answer
181 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
27 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
votes
1answer
91 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
votes
0answers
75 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
91 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
90 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 ...
1
vote
2answers
67 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
votes
1answer
88 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
56 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
votes
1answer
30 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 ...
-2
votes
1answer
59 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
votes
1answer
39 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
votes
0answers
1k 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 ...
2
votes
0answers
175 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 ...
0
votes
0answers
17 views

Cloud9 set relative url

I was looking a lot but haven't found any information how to run Cloud9 not only in root but also in a relativeUrl like localhost:3131/user_1. I edited baseUrl param in ...
2
votes
1answer
141 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
27 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 ...
25
votes
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
185 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 ...
0
votes
0answers
104 views

how MAAS, OpenStack and juju work together

I have been reading several tutorials recently and as some point I thought MAAS manages cluster of physical machines(servers) on which openstack could be eventually installed but I failed to see how ...
1
vote
1answer
162 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 ...
26
votes
7answers
2k 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 ...
-1
votes
1answer
38 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
votes
4answers
883 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 ...
0
votes
3answers
53 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 ...
1
vote
1answer
190 views

Load balancing architecture: sticky sessions and dynamic backends

I'm struggling to find a solution to a specific load balancing requirement. It seems that various combinations of HAProxy, Nginx, Varnish and Apache's mod_proxy_balancer can do some but not all of ...
3
votes
5answers
2k 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 - ...
0
votes
0answers
52 views

Minimum requirement for Storm cluster

We recently load tested storm for our application, and it seems like that we are using 0.07 capacity on maximum load. The result makes default memory settings for workers and supervisors looks very ...
0
votes
2answers
38 views

How do I choose servers to minimize latency to a critical third-party service?

I would like to spin up a cloud server that has the minimum possible ping to a third-party service. Do you just get on AWS and keep making servers in new Availability Zones until the ping is good ...
0
votes
1answer
27 views

Is there a decent way to manage accounts across disparate web services?

I'm in the position of needing to manage the accounts of multiple people across many different types of services, including onboarding and offboarding users. Being that we're using multiple different ...
2
votes
1answer
63 views

Is there more than one provisioning technology named fog? [closed]

I have a puppet installation in which I tried to check the fog version (for cloud provisioning), but I got no response so I assumed it was not installed. I need fog in order to utilize the vmware ...
-2
votes
1answer
78 views

On my Amazon EC2 instance for a school project. I tracked visitor IPs and within 5 minutes an IP linked to cnn-noc.net (Huawei/China Netcom) appeared [closed]

I'm not sure if there are any rules here regarding posting specific IP addresses so I will take the address down if necessary. As aforementioned, I put up an IP tracker on my Amazon EC2 instance for ...