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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164 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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1answer
62 views

What are some common tagging strategies for EC2 in multi-team environments?

Given a company with multiple teams using EC2, what are some common or practical strategies for setting some TAG guidelines when instances or ami's are created so that resources can be more easily ...
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37 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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1answer
35 views

IP forwading amazon ec2 another server IP

I use this command in windows azure (NAT), to redirect all requests to another server with other IP iptables -t nat -A PREROUTING -i eth0 -d 10.240.154.15 -j DNAT --to-destination 192.188.47.63 ¿ ...
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1answer
116 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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1answer
67 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 ...
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1answer
313 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 ...
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1answer
112 views

How can I set up a load balancer to direct all Search Engine Bot traffic to one server?

We have a simple load balancer set up on Rackspace to 3 web server nodes. After reviewing our traffic and expenses, the largest bandwidth hog is Google Bot. Since on Rackspace we pay for bandwidth ...
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1answer
162 views

Does no output from euca-describe-images mean I'm not connected to the Eucalyptus cloud?

I am trying to setup a Eucalyptus cloud. While using the euca-describe-images, I do not get any output. Does this mean it is not connected to the Eucalyptus cloud or am I doing something wrong ? The ...
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1answer
334 views

How can Rackspace cloud servers be set up with an EC2 type approach to firewalls?

I'm looking at using Rackspace cloud servers for some Windows based web hosting, and having used Amazon EC2 for similar projects before, I was disappointed to find Rackspace don't employ the EC2 ...
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1answer
357 views

Reducing latency for different geographic regions on Amazon Cloud

I have got an application which has three components Application code : Amazon EC2 US-EAST-1 instance Application images, and other static data : Amazon S3 with CloudFront Application Database : ...
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1answer
237 views

Is GoDaddy's grid hosting impossibly slow for PHP apps?

Godaddy's grid hosting, which runs on the cloud, just came out last year. I have one of their old shared accounts (your files are on one server), and one of the new "grid" cloud shared accounts. I'm ...
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1answer
59 views

Anyone had any issues getting a disk to start on a Walrus storage sytem?

I'm trying to get a Eucalyptus system up and running and have managed to get the cloud controller and node controller running fine, with an instance running in the cloud system, but without any ...
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1answer
71 views

How to the set the hostname in an AWS ec2 instance to a unique value in an autoscale group?

I wanted to find out what is the best practice of setting the hostname of an Ec2 instance that is in an autoscale group. I am looking for a method that is generally acceptable in the ...
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1answer
437 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. ...
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103 views

Backup Hyper-V To Google Drive?

I was thinking about backing up a Hyper-V host to the cloud and a potentially crazy idea came to mind. With Google Drive, you can get 1TB of storage for 2 bucks a month. This would be more than ...
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1answer
66 views

OpenStack error when converting a glance image to a cinder volume

/var/log/cinder/volume.log shows the following error when converting a glance-registered QCOW2 image to a cinder volume. local variable 'tmp' referenced before assignment failed to copy image to ...
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1answer
52 views

VMware Grails application on one VM can't access MongoDB on another VM

I have two VMs in a VMware cloud that belong to the same VApp and so are behind the same edge gateway. The both have their own different internal ip addresses but I route services from the outside to ...
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1answer
34 views

Using Cloud Servers and Firewall

I would like to ask if the configuration of "firewall rules eg. only allowing port 80.. when configuring a server instance on cloud services such as google cloud and amazon aws is securely equivalent ...
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1answer
87 views

web-proxy dead but pid file exists

When trying to set up a node to be used with OpenShift Origin, trying to start the service openshift-node-web-proxy I get the following error that the web-proxy died: # service ...
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1answer
119 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 ...
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1answer
80 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 ...
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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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80 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 ...
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0answers
425 views

High latency on domain with CDN

High latency on domain with CDN I have problems with latency on my server, these are the tests I made with blitz.io Latency album http://imgur.com/a/bCmwo I would uploaded images here but it ...
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45 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 ...
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38 views

Most secure way to encrypt critical data to be shared, edited and seen (must ALWAYS be secure)

This question does not rely on time... so it's not about keeping data on tape or anything similar. I have 3 distinct PCs with critical information. PCs are running Windows OS. They all hold critical ...
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204 views

Launching new Elastic Beanstalk environment using Amazon Lunux AMI v2013.09 not working

I am starting from scratch to launch a new Elastic Beanstalk environment using 64-Bit Amazon Lunix AMI version 2013.09. It is for tomcat 7 non-legacy container. But after the environment is created ...
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62 views

How to configure on which server a VM is created in Oracle Cloud Control & Oracle VM Manager?

The hardware configuration is fine and I can reach my two servers in my serverpool. The problem is that I have to use two different brand of servers on which server 1 has Virtualization Technology and ...
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152 views

Can you set up a private Azure-like “web/worker role” PaaS cloud on-premises with Microsoft technology?

It's so hard to google for the answer to this question because I get a bagillion hits about using Azure and hints that PaaS is supported for private data centers, but no concrete information. I'm ...
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184 views

Mounting shared memory in XCP/ XEN Server,for storing VM

Requirement vm with 2HDD each 1gb OS will be installed on hdd 1 and required data on HDD 2 I want all my VM running on Xen Cloud Platform XCP 1.1 to use /dev/shm of host machine for HDD1. Is ...
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148 views

Microsoft Azure Virtual Networking

I have created a Virtual Network in Azure following the steps in the tutorial. I then create a VM using the Windows 2008 R2 image and select the FrontEndSubnet (10.4.3.0/24) for the VM. (Following ...
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126 views

how to deal with backup & restore of private cloud environment?

using Cloudstack OSS - with NFS as storage backend.... How to deal with VM image backup and restore? snapshot backup is preferred softwares like PHD Virtual are built for specific Hypervisor: ...
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156 views

Cloud Storage/Remote Storage - Windows 7 Embedded

Currently I am running "Windows 7 Embedded" on a few Thin Clients (HP T5570E). I would like to store all user files running on the clients on a remote server (Not local). I have attempted using ...
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297 views

store image installation error in UEC

to my college final year project we planned to setup the private cloud on the two machines. I recently installed Ubuntu Enterprise Cloud (UEC) on two of my machines . I was trying to install the ...
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77 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 ...
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25 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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40 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 ...
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104 views

Azure VM belonging to multiple cloud services

I am brand new to Azure and still trying to figure everything out so please excuse my ignorance. I'm trying to take one VM running IIS and to host multiple websites on it, each with a different SSL ...
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30 views

serving index.html file on all incoming http requests

I have deployed a backbone.js application on azure platform. For some reason, I want that all the requests should get served with index.html. We use mod_rewrite in APACHE but I am completely clueless ...
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25 views

Optimised VLAN allocation in Cloud Environment

In a multitenant environment, we need to assign tenant to a particular VLAN for security concerns. What are the factors that should be considered while assigning a new VLAN to a tenant. The VLAN may ...
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39 views

adding per-boot script via user data

I am passing cloud config via --user-data-file argument when starting ec2 instance from canonic ubuntu images. It works well but the problem is that some of its commands need to run every boot (i.e. ...
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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 ...
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53 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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0answers
252 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 ...
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0answers
568 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 ...
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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 ...
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14 views

Discover other instances within chef recipe on rightscale

I'm using rightscale for cloud orchestration and one thing that I miss is how I can find other servers within a chef recipe. What I need is to get the servers tagged with project:database=active when ...
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25 views

Storing and accessing common non-sql database live from the cloud?

Let's say the database is non-sql, something completely archaic like paradox or whatever. I have no power over it as I'm not the developer. However, I would really like to have the database live on a ...
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107 views

Is it possible to set up NAS to share files and then check for most recent edits and sync?

I'm not sure if this is a serverfault or a superuser question, so my apologies if I'm in the wrong place. I have a Synology NAS and We have an office with two laptops. I want to share one folder ...