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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1answer
207 views

Azure load balancing VM's using Resource Manager

With Azure Classic, I could create two VM's in the same cloud service and I would get one public IP for both, and it would automatically load balance traffic between the two VM's. With the new Azure ...
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1answer
426 views

How to specify needed VPC and subnet into AWS CloudFormation template

I am new with Amazon services and particularly in CloudFormation. So I have begun to read from "Getting Started with CloudFormation" from Amazon site http://docs.aws.amazon.com/AWSCloudFormation/...
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0answers
26 views

whether it create problems if we use encrypted web.config in azure cloud

I have encrypted the web.config of my web application using RSAProtectedConfigurationProvider. Now i have to publish the application in azure cloud. Here my question is that whether the values are ...
0
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0answers
23 views

Calculate CPU cores and RAM needed [duplicate]

In case you have a Linux cloud server and it's obvious that it's not using all resources assigned to it, is there a magical formula to calculate how many CPU cores and how much RAM I really need ...
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4answers
134 views

Domain Controller as EC2 instance

We've successfully extended our on-premises active directory to AWS, creating domain controllers as EC2 micro instances, we loosely based our setup on the Amazon White Paper: Implementing Active ...
1
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1answer
110 views

Ubuntu LAMP server busy at peak hours

I'm running a Ubuntu 14 server with LAMP on virtual cloud hosting (CityCloud). The server is usually doing very well with response time<0.5s. However, the problems start at peak hours, mainly ...
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2answers
174 views

Deploy active directory ONLY on the cloud and join workstations to it WITHOUT VPN (No DCs on premise, No RODCs etc.)

The company has does not have any offices. All users are remote. However, they need an Active Directory to which workstations can be joined and users can be centrally managed. One suggestion is to ...
0
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1answer
141 views

unable to access Linux VM on Azure

I recently uploaded Oracle Linux 6 VM from VM Warework station to Azure. After provisioning the VM , I am unable to connect to the VM via SSH through Putty. "Network Error: Connection Timed Out" is ...
0
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1answer
126 views

Restrict access to Azure VM and VPN for customers

We want to use Microsoft Azure and want to provide virtual machines for our customers while having a backend for monitoring and Active Directory. Our network will be something like that: network: 10....
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2answers
247 views

Extracting 200 GB ZIP file [closed]

I have a large 200 GB file to extract. I was using WinRAR on a Windows laptop, and it's a very slow process. I am considering using an Amazon EC2 instance to help speed up the process. How can ...
0
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1answer
61 views

Azure website application settings being overwritten after git deploy and deployment slot switch

I am deploying multiple sites from a single git repo, which I am achieving by setting an application setting for the website via the azure portal. (The setting is 'Project'='pathtomyproject/myproject....
1
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1answer
204 views

Host not responding - vCenter

Few days ago I configured a new vCenter server behind the NAT for my VMware Hosts. Everything is working perfectly on the Management LAN, but the problem is when I'm trying to add a server outside my ...
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votes
1answer
101 views

cloud9 + digital ocean (using laravel) [closed]

I've set up cloud9 IDE so that it logs into my digital ocean droplet as root, using an ssh key. The "workspace folder" that i can use inside cloud9 IDE becomes /root so if I want to use the IDE ...
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1answer
12 views

How to retain the Session vars when deploying in Clouds and Cluster servers?

How do you ensure your user retains the same session information when your application is deployed to a cluster?
2
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1answer
389 views

CloudFront Distribution for Origins in Multiple Regions

Is there a way to point CloudFront to different origin servers based on location? We currently use Route53 latency-based routing to direct traffic to east or west region elastic load balancers. ...
0
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0answers
78 views

openstack installation on vmware

I've successfully installed OpenStack on a virtual machine Ubuntu 14 desktop on vmware workstation and there are 2 different installation methods; cloning the repository or using sudo apt-get ...
11
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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 ...
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votes
1answer
36 views

Hosted pages on custom domains [closed]

I have an online service that provides a public profile for users. Users can sign up and view their profiles at www.example.com/users-name. I want to provide a premium service where the user can ...
1
vote
1answer
86 views

How to set up an end-to-end SNMP data collection system to cloud?

Aim: We are creating a cloud server which will collect diagnostic data (like bytes exchanged, SNR) from remote SNMP enabled network devices (like Routers, Switches). The SNMP devices may be located ...
0
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1answer
38 views

In a LAMP stack, what are some obvious ways to utilize ephemeral SSD storage? [closed]

Here I'm talking about cloud servers (from any vendor) which feature some amount of ephemeral SSD storage. When working with standard images, by default this ephemeral SSD storage is wasted and not ...
1
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1answer
488 views

S3 Static Website hosting - restricting access from IP Range

Is there way by which can we enforce the access only from a Particular IP Range for S3 Static Website hosted site ?
6
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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, ...
0
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0answers
88 views

Elastic Beanstalk, EC2 and Rackspace with Solr

We are currently working on an e-commerce startup and we obviously don't know the number of users that will hit out site (expect it to be highly variable). I'm using a custom implementation of Django ...
0
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0answers
15 views

What's the recommended way to scale individual instances in the Google cloud?

In the Google Cloud Platform, it doesn't seem to be possible to resize a VM instance (change the type) the way you can easily do so on AWS. What's the recommended usage pattern here if you run out of ...
0
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1answer
31 views

Estimating costing for entities on Azure VMs [duplicate]

We are looking of moving our hosting solution over to Azure (we are a microsoft dev house so it makes sense). It just seems difficult to estimate costing for our hosting solution. To give a simple ...
0
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1answer
108 views

SAN storage I/O issues [closed]

I have a relatively busy application running on a dedicated server. The spec is 8-core Xeon(R) CPU E3-1240 v3 @ 3.40Ghz 16GB RAM 8TB RAID 10 80GB SSD for MySQL I use Wowza Streaming Server to ...
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3answers
37 views

Cloud based security gateway

An organisation whose IT I'm involved with has offices in a country which blocks access to various well know services such as Skype. I can get around the issue by routing all the traffic over IPSec ...
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3answers
229 views

Creative way to shrink a live ext4 filesystem from cloud provider?

When buying droplets, as DigitalOcean calls their cloud VM's, they are always configured with one large ext4 partition. I have an app that needs an LVM partition, so I need a creative way to shrink ...
2
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1answer
99 views

cloud server performance vs same specification dedicated server?

I have a web application written in php (5.6.10) and using Postgresql (9.4) we have about 4k users per day and about 20k page views per days, my main issue that we are running in cloud host with 2 ...
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0answers
20 views

Cloud server - why downscaling requires restart

I'm using a cloud server that has the ability of autoscaling (vertical scaling). Depending on the current load it is capable of adding or removing CPU's and/or memory banks (virtual of course) to the ...
0
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0answers
30 views

Google Cloud DNS top level domain [duplicate]

I would like to host a static site on google cloud storage and I'm using Cloud DNS. lets say I have a domain: example.com, I can create a bucket with a subdomain: www.example.com and it works well but ...
8
votes
1answer
242 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 ...
1
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0answers
96 views

Doubts about OpenStack nova and swap files

I have some doubts about the qcow2 swap files created by nova when launching instances. I've launched two instances with respectively 1G and 8G of swap memory. So, I verified that four disks where ...
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votes
1answer
74 views

Openstack Nova Compute cluster [duplicate]

how to glue multiple CPUs together, I mean How openstack achieves it. What do they really mean when they say create CPU cluster using Openstack Nova. Openstack is written in Python, Any example ( ...
0
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1answer
100 views

Snapshot failing in a fresh Kilo install

I have a fresh OpenStack Kilo installation. When I try to create a snapshot from the dashboard or from the nova cli, the snapshot isn't being created. The local snapshot ends with success, but nova ...
0
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1answer
38 views

Where the openstack machine images are stored?

In Openstack cloud whether the machine images are stored inside the database as a blob object or in filesystems? And if images are getting stored in filesystem then which service take care of it, is ...
0
votes
1answer
150 views

Migrate to Azure Active Directory [closed]

We intend to migrate all our on-premises active directory accounts and resources to Azure AD. Then follow by migrating files and printers as well as on-premises applications, i.e. sql onto the cloud. ...
0
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1answer
245 views

What it means when Linux has no I/O scheduler

I have some virtual machines running Ubuntu cloud-based image 14.04-1 LTS version. I wanted to see the IO performance of different IO schedulers on the VM so I went to /sys/block/<drive>/queue/...
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2answers
34 views

awstats server in dynamic infrastructure

I have a linux server dedicated to awstats. This server hosts awstats application and generate/publish statistics for several websites hosted by several webservers deployed in my infrastructure. In ...
1
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0answers
47 views

Azure VM - HTTP GET to Rackspace server is too slow [closed]

I'm testing a web service from my Azure VM and the test involves just doing an HTTP GET which returns JSON data from a Rackspace-hosted server. When performing this test from ANYWHERE but Azure, the ...
0
votes
1answer
65 views

Steps for upgrading ubuntu production cloud server

I have a site running on a cloud server with Ubuntu 13.04. I want to upgrade to 14.04 as seamlessly as possible. I found this answer but I wanted to flesh it out so I can be more confident. My plan ...
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2answers
264 views

Magento VM Instance on Google Cloud Platform doesn't allow uploading any files

Decided to give the Google Cloud Launcher a try by launching a one click Magento installation. Everything went smoothly and it did get up and running, however I have encountered one glaring fault that ...
1
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1answer
901 views

Should I deploy hadoop on physical machines or virtual machines?

We will deploy a hadoop cluster on hundreds(say 300) of physical x86 nodes. Since we have no much production deployment experience, there is a simple question as the title we want to hear response ...
2
votes
1answer
1k views

Azure backup VPN tunnel

Is it possible to set up a failover site to site VPN tunnel in Azure? I have one tunnel already established to local network "MyLocalNet". I want to set up a second tunnel with a different endpoint ...
1
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1answer
52 views

options for storing relatively large amount of data [closed]

I'm currently doing a bit of research for a multinational company, as part of my thesis. Truth be told, I'm more of a software/programmer kind of guy, so I'm not quite in my element here. My question ...
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votes
2answers
45 views

URLs and cloud providers [closed]

Lets say that there is the url www.example.com This url holds an web application with a cloud provider other than Google. Lets say there is a second url, an extension of the first url: www.example....
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votes
1answer
3k views

How to secure OwnCloud? [closed]

I am not literate when it comes to servers, but I like the idea of having my own cloud storage for privacy reasons. OwnCloud is targeting (at least a little bit) the "DIY-home-user" so it seemed to be ...
0
votes
1answer
111 views

Current setup maxing CPU. Need help designing AWS architecture and MySQL Clustering via AWS RDS instances

My company runs a mid-sized eCommerce (30,000-50,000 unique views monthly) shopping cart using X-Cart as a back-end. We are in the processing of redesigning and upgrading our back-end software. We are ...
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1answer
300 views

Office 365: is it fully online solution (i.e. syncing isn't required)? Can it be used with other cloud storage services? [closed]

For some reason unknown I just can't find a good techical explanation of how exactly Office 365 functions, and, particularily, can I completely disable all kinds of local caching/syncing/downloading/...
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1answer
341 views

Use of volume backing file size use in devstack?

I am trying to set up openstack on a single machine using devstack scripts. In configuration for cinder this parameter is given VOLUME_BACKING_FILE_SIZE. I am not able to understand what is the use of ...