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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4k views

“The server refused the connection” error in Facebook App [closed]

I am working on creating a facebook app for a Magento store and listing products in facebook app. My server is not https, but facebook app requires https, it showed "Operation timed out" error. So I ...
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0answers
34 views

Is “The Cloud” one thing? Is there one Cloud or are there many? [on hold]

The definite article "the" makes it seem like it's one single entity (made up of discretely distributed nodes, obviously). But it also seems like Google, Amazon, and Microsft all have their own cloud ...
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0answers
13 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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1answer
966 views

OpenStack Cinder: iSCSI login negotiation failure after reboot

I have a Cinder storage and controller node running on the same CentOS 7 box as Nova compute. Everything worked fine, until I rebooted. Now my instances can't mount volumes and I get the errors below. ...
0
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0answers
30 views

Looking for a good HA storage solution [closed]

We are thinking of doing some cloud for work on OVH servers, but I can't find a good solution for the storage. We'd want to have a group of storage server that could replicate all the data, and use ...
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0answers
26 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 ...
3
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0answers
39 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 ...
-2
votes
0answers
9 views

Windows server cloud hosting with firewall for IPSEC

I am trying to setup a Windows server with an IPSec tunnel to a remote location. First I tried vps.net after a sales person told me it would be no problem. Then it was a problem. So I tried to ...
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0answers
11 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
11 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 ( ...
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1answer
19 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 ...
6
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7answers
17k 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 - ...
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0answers
6 views

Where the openstack machine images are stored?

In Openstack cloud the machine images are stored inside the database as a blob object or it will be stored in filesystems? and where the machine images are stored in glance filesystem or in shift ...
0
votes
1answer
30 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. ...
1
vote
1answer
45 views

cloud-init not executing on rackspace cloud

I was trying to pass a bash script to cloud-init on rackspace-cloud with 'nova boot' via --user-data. I used the following command: nova boot --key-name mykey1 --image "Ubuntu 14.04 LTS (Trusty Tahr) ...
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votes
1answer
171 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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0answers
24 views

Automatically upgrade virtual machine in load balanced set on Windows Azure

I have been serving web content off of a Linux VM running in Windows Azure, and now want to make a duplicate virtual machine and create a load-balanced set to handle more load and avoid downtime. I've ...
0
votes
0answers
22 views

Does it make sense to define a VNC server in an OpenStack controller node?

I have some doubts about the vncserver_listen and the vncserver_proxyclient_address options in the nova.conf config file. In the OpenStack install guide, the session Chapter 5. Add the Compute ...
0
votes
1answer
56 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 ...
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2answers
28 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 ...
-3
votes
1answer
71 views

Data redundancy and routing in the cloud [closed]

How do cloud storage providers (such as Dropbox, Apple iCloud, Evernote etc.) provide redundant data storage, whilst simultaneously routing my query to a server with a corresponding copy of my data. ...
-3
votes
1answer
176 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 ...
24
votes
3answers
8k 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 ...
0
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1answer
63 views

Openstack Cloud [closed]

I have 30 servers of misc types, with different CPU, RAM, HDD etc. Thinking of using Openstack to make all the servers into a big cloud --- and then use Openstack to make several (say 20 VM's) ...
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votes
1answer
55 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 ...
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0answers
40 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
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1answer
43 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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0answers
28 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 ...
2
votes
1answer
255 views

Azure public endpoint SSL termination

In Azure, is there any way to set up an HTTPS endpoint directly on the public VIP, as opposed to joining each VM to a load balanced set, so that I can associate this endpoint with the SSL certificate ...
0
votes
1answer
56 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 ...
1
vote
1answer
134 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 ...
3
votes
4answers
6k 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 ...
1
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1answer
41 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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2answers
40 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: ...
-2
votes
1answer
210 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
56 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 ...
-2
votes
1answer
100 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 ...
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votes
1answer
43 views

Azure Cloud Services Running 4 hours straight [closed]

I've deployed some WCF services to the Azure Cloud Services, but it shows every day that it runs for 4 hours, when no-one is using the services. The only thing I thought was maybe it was hackers ...
3
votes
2answers
802 views

How does a geographically distributed web app handle stored data?

Hypothetically... I log in to a web app from Australia and change some data. In the US my colleague is using the same system and wants to view the data I've changed. How could the web app be deployed ...
0
votes
1answer
156 views

Can I replace local Microsoft Active Directory with AWS Directory Service?

We have a very basic AD usage (basically manage user password reset) and for that we have to maintain a old Windows server. All the services our internal users access are on the cloud (GMail, Google ...
0
votes
1answer
114 views

How to install AV on existing Azure VM using agent tools?

If I already deployed a VM, how can I use the VM agent to install an antivirus software from the Azure marketplace (i.e. McAfee)? There must be some Powershell command or something but everything I've ...
0
votes
0answers
99 views

Ubuntu MySQL/Jetty unexpected server halt - hardware or software?

I have a MySQL 5.7, jetty 9, and NGINX 1.6 server running ubuntu 14.04.1 in digital ocean. It has zero security updates waiting to be installed and iptables blocking access to everything except for 80 ...
3
votes
4answers
300 views

Excessive hosting costs

A client of mine is getting billed around ~$1400 per month for hosting. However the site is only averaging roughly 200 hits per day and it serves no large files nor videos. It's hosted with ...
0
votes
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 ...
1
vote
0answers
78 views

How to power down Cloudstack configured with XenServer Hypervisors

I have three XenServers(6.2) configured in a single pool. I also have a Cloudstack (CentOS 6.5) Management interface controlling them all. Everything is up and running but I can not figure out how to ...
2
votes
1answer
122 views

Google Cloud AutoScaler usage and instance health detection

I find it a bit confusing how Google Cloud Auto Scaler, Managed Instance Group, Target Pools and Network Load Balancers work together. The documentation is a bit sparse and there is no explicit ...
0
votes
5answers
526 views

Lightweight, but robust enterprise backup solution [closed]

Looking for a backup solution primarily for Windows clients (XP/7), that will either back up to 2 different servers (1 on site, 1 off site - internet - can be our own server), or back up to 1 server ...
1
vote
1answer
100 views

Migrating resources between different Azure subscriptions

I have a few questions for the Azure gurus out there. I work for a software development house and I have been asked with coming up with our Azure infrastructure. The idea I had is to set up three ...
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votes
1answer
32 views

What are the MOST Important Things to Configure on a WAF? Specifically Barracuda Web Application Firewall

I will be hosting a web application on a cloud provider. This will be protected behind a WAF specifically Barracuda's Web Application Firewall Vx. I do not have too much experience with WAF ...
0
votes
0answers
80 views

Google Cloud: Connection Refused upon reset/shutdown

I recently signed up with Google Cloud to host a small VM instance. I created a basic instance with Ubuntu Server 14.04 LTS as its OS, installed apache2, MySQL and Wordpress to it and worked on a ...