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
31 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 ...
0
votes
1answer
24 views

AD DC in azure as the only DC

I have a small network that consists of 1xSBS2008 (Exchange with about 50 mailboxes, Great Plains SQL, File Shares, Printer Shares, DNS,DHCP, GPOs, etc) and 1xWin2k8 (SQL Server). There are about 10 ...
0
votes
1answer
9 views

Safely wake up black VNC screen cloud servers

What is the safest way to wake up a cloud server (Windows & Linux) via VNC using the keyboard. Looking into a taking a screen grab of a large number of servers (Windows & Linux) using the ...
-1
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0answers
4 views

OpenNebula 4,14.2 Federation error VNC Master/Slave

We have federated two OpenNebula as master/slave, but we have detected a strange issue: Using the Master Sunstone, we can change to the Slave Sunstone. It works well, but if we try to lunch the VNC ...
0
votes
2answers
45 views

Routing traffic to multiple non public IP systems

We are a small startup and one of our basic requirements is to enable cloud access to our core system (running on a basic linux distribution) for our clients that often use a Internet connection with ...
0
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1answer
19 views

Fails to create a Cloud66 stack

I'm using Cloud66 and trying to set up a stack from my git repository. Cloud66 however returns the error: Analysis error: The space character ‘ ’ is not allowed in your database username or password ...
0
votes
2answers
40 views

Azure VM instance IP firewall

I assigned an instance-level IP address to my Azure VM. I then configured the SSH "endpoint" from the Azure portal and defined a deny-all policy. However, this policy seems to only affect the cloud ...
0
votes
4answers
72 views

Migrating really old RedHat server to cloud

I've got a client with a really, really, really old PHP3 webapp that runs on an ancient consumer-grade PC with RedHat 7.somethingOld. I've got backups of the software and database but he's very tight ...
0
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0answers
35 views

Get-AzureService : ForbiddenError: The server failed to authenticate the request

I am using azure workflow on azure automation and get the template from Azure gallery for "connect the azure using subscription certificate". After Create the connection "Azurec" and upload the ...
0
votes
1answer
21 views

Azure custom CentOS Image shows “Running (provisioning timed out)”

I created a VM using the standard CentOS 7.1 image in the Azure gallery. I generalized it and captured it as a base image for future deployments. However, once I spin up a VM using this image, the ...
0
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0answers
11 views

Configuring Visual Studio Online to re-use nuget packages from previous builds

I am using visual studio online for my build/deploy pipeline for my web app but I am running into speed issues during the solution build. It takes an age to restore the Nuget packages, sometimes 10 ...
-3
votes
1answer
43 views

Difference between cloud computing , grid computing and parallel computing [closed]

There are many definitions out there on the internet , but I am asking here , just because someone may answer it briefly from his/her practical experience with these technologies. How does cloud ...
0
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0answers
13 views

Can't ssh into remote server from different network using same computer, keys and permissions [duplicate]

I can use the command ssh me@123.456.789.00 at home and it connects to the remote server automatically (no password). This is because I set up public/private keys. Everything works well. Then ...
0
votes
0answers
12 views

How to stop cloud server crashes

I have had this ongoing problem with my server hosting this domain http://www.independentlondon.com, a dedicated cloud server i'm trying to manage myself. It just keeps crashing despite many changes ...
0
votes
1answer
18 views

Amazon - point your elastic IP to a VPC peer

I can't seem to be able to find an answer to this question within the Amazon documentation. Let's say my account has an elastic IP. It is now assigned to an instance within a VPC. I then start a VPC ...
0
votes
1answer
23 views

merging 2 virtual hard disks on a cloud server

I have a cloud server based on Windows Server 2008 r2, with 2 hard disks, one with O.S. installed on it, the other one is empty. Both the disk have 30GB of space. The first one is almost full and I ...
1
vote
1answer
179 views

Google App Engine: This operation is not possible because no App Engine application was found for this project

I'm trying to help a friend deploy a simple python app in google app engine (the free account). It seems as if his project could be corrupt? The project is: Project ID sgvfr-riprunner When I ...
1
vote
3answers
66 views

All DNS queries to AD DNS server suffixed with xxxxx.cloudapp.net

I configured an Azure VM with Windows 2012 R2 and the DNS Server role installed. I have another VM in the same VNet and I am using nslookup to query the DNS server. Every time I query any domain ...
1
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0answers
57 views

Creating subdomain in google cloud LAMP stack

I have installed the LAMP stack, and mapped my domain name "example.com" to my external IP in google app engine. Now I need to create a subdomain and map it to some folder in the same instance. So , ...
1
vote
1answer
118 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 ...
0
votes
1answer
147 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 ...
0
votes
0answers
17 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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votes
4answers
103 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
vote
1answer
107 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 ...
0
votes
2answers
98 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 ...
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0answers
76 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
votes
1answer
95 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: ...
0
votes
2answers
220 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
votes
1answer
41 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 ...
1
vote
1answer
117 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 ...
-1
votes
1answer
82 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 ...
-1
votes
1answer
11 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
votes
1answer
156 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
58 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
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 ...
-4
votes
1answer
33 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
84 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
votes
1answer
37 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
vote
1answer
239 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 ?
3
votes
2answers
1k 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 ...
0
votes
0answers
56 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
votes
0answers
14 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
votes
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
votes
1answer
89 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 ...
1
vote
3answers
32 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 ...
0
votes
3answers
140 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
votes
1answer
83 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 ...
0
votes
0answers
17 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
votes
0answers
27 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 ...