Cloud-Computing: Marketing term for clustered resources

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46
votes
6answers
30k views

How to add a security group to a running EC2 Instance?

I have an Amazon EC2 instance running and I will like to add another security group to that instance and then remove the current security group from that instance. Is this possible?
0
votes
0answers
4 views

Puppet agent , empty data set message

I am getting the following message when i run puppet agent -t on the client. Fact file /etc/facter/facts.d/roger_update_time.rb was parsed but returned an empty data set What could be the problem? ...
-4
votes
0answers
18 views

How can i use services like amazon workspace on EC2 instance?

I want to create an instance and assign it to my user with the following softwares like Ms Office, Skype and other softwares. So, is it possible to do this in instance because we connect our instance ...
-1
votes
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 ...
1
vote
1answer
1k 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 ...
-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 ...
1
vote
2answers
477 views

Openstack: Starting multiple shutoff intances

I am using Openstack Icehouse running on Ubuntu. After rebooting Compute node all instances that were running there will be in shutoff state. Is there way to restart them all at once? Only thing I ...
3
votes
1answer
150 views

Cloud architecture design

I am designing a cloud architecture on AWS for a system processing large number of entities. I hope that this is the correct StackExchange for this question (SO did not seem appropriate to me - feel ...
0
votes
1answer
26 views

SSL certs for hosted VMs on a single domain

We have 5 virtual machines on the Google Cloud platform to serve our multi-vendor web store. One domain name and 5 VMs: one for Magento, one for Akeneo, one for MySQL, one for MongoDB and the fifth ...
1
vote
1answer
40 views

Can't install openstack kilo, stuck on keystone installation

I'm following this guide to install a testing instance of OpenStack Kilo with a very basic environment in a VirtualBox machine running Ubuntu server 14.04 x64. I've managed to get to the point where ...
0
votes
2answers
2k views

Static IP on a cloud computing/hosting provider? [closed]

I know Amazon's EC2 does NOT allow true static IP allocation to the virtual machine instances, but i'm wondering if any of the other cloud hosting providers do? I'm trying to find out if Rackspace ...
-4
votes
1answer
64 views

Did google cloud have Singapore zone? [closed]

Based on this link Google cloud zones I know that Google cloud only have one Zone in Changhua County, Taiwan. But some post in 2014 Google cloud asia region note that there are two avaiable zone in ...
18
votes
5answers
15k views

Create an AWS HVM Linux AMI from an Existing Paravirtual Linux AMI

Is it possible to create a hardware virtual machine (HVM) AMI from an existing paravirtual (PV) AMI. My initially thought was to start a new PV instance and use the ec2-create-image command to ...
0
votes
0answers
45 views

configure failover using ha proxy

My Setup is as follows: I have two Samba Servers configured with DRBD, Corosync and Pacemaker. Both these servers are in HA which means when SambaServer1 goes down, data is replicated on ...
9
votes
10answers
12k views

Which Distributed File System as a backend for Cloud Computing?

I have a basic cloud running on Ubuntu Server (9.04) and Eucalyptus. Walrus (Eucalyptus' API compatable S3 implementation) stores files by on the cloud controller. However each of the other 4 server ...
9
votes
5answers
4k views

Where is log output from cloud-init stored?

Where does output from cloud-init (automatically runs scripts when starting up a virtual machine in the cloud, for example at Amazon EC2) go? I would like to know that my initialization scripts ...
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 ...
0
votes
1answer
30 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
3answers
240 views

Cloud Computing IaaS Tools [closed]

I would like to know which other tools can help me to set up a private cloud infrastructure but still allow me to connect with services like Amazon EC2 or S3. The ones I know about are: Nimbus Open ...
0
votes
1answer
167 views

ec2-automate-backup-awscli.sh - Purging is not working?

I have recently implemented a script that creates snapshots of my volumes. I run this script via a cron job which works very well except for the part that deletes snapshots. When I run the command to ...
9
votes
3answers
2k views

What's the easiest way to back up EC2 instances automatically?

I'm worried I might log in one day and my fully configured instance has been removed. I would like to be able to back it up daily to S3 but frustratingly this is not a simple setting in the console. ...
25
votes
3answers
9k 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 ...
1
vote
1answer
48 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 ...
2
votes
4answers
996 views

When should one use the following: Amazon EC2, Google App Engine, Microsoft Azure and Salesforce.com? [closed]

I had asked this question on StackOverflow. It was suggested to post it here too. When should one use the following: Amazon EC2, Google App Engine, Microsoft Azure and Salesforce.com? Please share ...
0
votes
1answer
168 views

Google App Engine SDK is open source. Would anyone from the cloud try to catch it to break the vendor lockin?

Would it be possible/feasible/desirable that any "cloud" provider grab the source code of the Google App Engine SDK in order to break the "vendor lock in" it imposes?
0
votes
1answer
735 views

Attempting to restart google compute instance “INVALID_FIELD_VALUE: Invalid value for field 'resource.@': '@'. Resource was not found.”

Using the website https://console.developers.google.com, i have tried unsuccessfully to fire up an instance on the google compute engine cloud. It stopped and started just fine months ago, but every ...
4
votes
2answers
198 views

Does Cloud Computing COST a premium? (or is it competitive with shared/managed/co-location)

Since cloud solutions (Google AppEngine, Amazon, etc.) do more for you, at the end of the day do they cost significantly more than doing it "yourself" with co-location hosting, etc. Not just ...
3
votes
5answers
647 views

How big is a cloud? [closed]

I'm trying to come up with some data on how much computing power the current cloud platforms represent. (Microsoft Azure, Amazon Elastic Compute Cloud, Google App Engine. Others?) Stuff like how many ...
0
votes
1answer
127 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 ...
2
votes
1answer
76 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 ...
13
votes
2answers
1k views

Has anyone got billed for malicious activities (DDoS) on a cloud server? [closed]

I would like to know if anyone got billed beyond expectation on a cloud service because of malicious activities (DDoS, etc)? How does EC2 and/or Rackspace Cloud handle these issues? Thank you!
0
votes
1answer
88 views

Application on cloud server requires an active remote desktop session function properly

We have an application running on a EC2 Windows server that stops working as soon a remote desktop session to the server is closed. The application OCRs the actual screen while looking for different ...
37
votes
12answers
34k views

Is virtual machine slower than the underlying physical machine?

This question is quite general, but most specifically I'm interested in knowing if virtual machine running Ubuntu Enterprise Cloud will be any slower than the same physical machine without any ...
1
vote
1answer
346 views

OpenStack multiple compute node resources allocation for single vm instance

Im learning about OpenStack and understand that resources of a single compute node can be allocated and shared between multiple vm instances. If we assume that I have a single application that ...
2
votes
1answer
237 views

When using the puppet node init command, are the parameters to specify in the answers.install file

On puppet-enterprise version 3.3.1, I am attempting to use the puppet node init command on a VMware puppet master node hosted on a VMware VSphere client with VCenter 5.1.0. My puppet master node has ...
-1
votes
1answer
63 views

Amazon Ec2 Security Updates Automatically Applied

I'm wondering how the security updates for an Amazon Linux Ec2 instance were automatically applied. Scenario: Used "Launch More Like This Instance" option on a Micro instance. Created a snapshot ...
1
vote
1answer
903 views

Server bandwidth usage with rtmp streaming of video

Quick question - I am streaming video from Cloudfront using RTMP streaming via an SWF-based flash player on my EC2 instance. With this setup will I see I/O data from the EC2 instance on account of the ...
12
votes
2answers
1k views

Why does Google recommend removing SSH keys from GCE for security?

Google recommends removing SSH keys from GCE instance to secure SSH. That does not make any sense to me. The keys are there for a security, right? When I remove the keys, SSHD stops working. I ...
1
vote
0answers
112 views

Using Azure for application performance testing

I have some custom system management scripts/applications that I would like to performance test against a large number of systems (10,000+) in an effort to simulate larger-scale enterprise networks. ...
-1
votes
3answers
127 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 ...
2
votes
2answers
456 views

Can I create local AMI file for future use on various cloud service?

Is it possible to locally create a single AMI file of say Debian Jessie and use it directly (or with little changes) on any AMI-compatible cloud service providers (eg. AWS, CloudStack, Digital Ocean ...
0
votes
1answer
66 views

Windows Azure for dummy UNIX gurus?

After setting up a trial Azure account, how do I access my recently created Visual Studio 14 VM from my Windows 8 laptop? I tried opening "Remote Desktop Connection", entered the IP address shown in ...
1
vote
3answers
565 views

Linux & Windows Boot Up Times in Amazon Web Service and Windows Azure

I've been working with Windows Azure and Amazon Web Services EC2 for a good many months now (almost getting to the years range) and I've seen something over and over that seems troubling. With AWS ...
0
votes
1answer
545 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 ...
29
votes
8answers
5k views

How are admins managing their EC2 EBS's and Snapshots?

My company is moving our hosting to Amazon and I'm working though all the migration issues. It has been quite a challenge transitioning from physical hardware to transient virtual machines. One of ...
0
votes
1answer
317 views

CloudStack New Install / Infrastructure Questions

I’d like to set up a public cloud for web hosting (cloud shared hosting, cloud vps, cloud servers) for a new venture, using Apache CloudStack platform. ----- Question #1 ----- What is the proper way ...
1
vote
0answers
432 views

Proxmox internal network configuration

We have several servers (with one nic) staying in one rack in hetzner. Proxmox is installed on each one, and they are combined in proxmox cluster. The goal is to create network, between virtual ...
2
votes
1answer
46 views

Confused about horizontal scalling

Please correct me if I am wrong but I guess handling more requests and load by adding more machines or balancing the load between multiple servers is horizontal scalling. So, if I add more servers, ...
1
vote
4answers
6k views

Running KVM vms on top of vmware vms

Is it possible to run a KVM (not qemu) VM on top of a Linux VM running in VMWARE ESX 5? Are there specific settings for that? No care about poor performance.
7
votes
4answers
3k views

Amazon EC2 bandwidth charges in case of unwanted incoming traffic(ddos/flood)?

What happens if my EC2 instance gets ddosed/flooded, which could potentially go up to tens of gigabytes an hour(and even more) of undesired incoming traffic, will i be charged for this traffic? My ...