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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211 views

Using DHCP, is it possible to obtain an IP address & MAC address for a cluster? [closed]

I know that DHCP assigns IP addresses, but does it also assign a MAC address? Is this a commonly used paradigm for cluster/cloud computing? Perhaps DHCP could be used to dynamically assign a new IP ...
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1answer
89 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 ...
0
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1answer
378 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 ...
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0answers
748 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 ...
0
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3answers
209 views

store log files in the cloud, when servers are not in the cloud

We're looking at a long-term migration towards the cloud. The plan is to start small, and gradually move less essential parts of the infrastructure into the cloud. All good so far. Part of this ...
2
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2answers
134 views

Looking for recommendations on how to evaluate replacement of on-premise server with new server or go to cloud

My business has about 15 people in a single location. We've lived forever off a local Windows Server for file sharing (about 800 GB) and access to our accounting system, which is also file system ...
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2answers
85 views

Deploying a private DAAS?

I am an electronics student who is doing an internship at a Data center. (have small to no knowledge about virtualization, cloud, computer networks). My friend and I were given a chance to deploy and ...
0
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1answer
265 views

Node.js ESB authentication for connection to cloud based services

I've been looking at Authentication for Node.js and it seems like http://passportjs.org/ fits the bill quite nicely. Do you think that this would be a good candidate to interface with all major third ...
2
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1answer
103 views

Serving multiple web-service instances [closed]

We're building an API-based web solution on Python which is going to be delivered to individual customers. Each customer is going to have a separate dataset. Currently, it's not a problem to deploy ...
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1answer
36 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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1answer
137 views

Which cloud providers which let you spoof an outgoing IP address, and how? [closed]

I have a web application which is load-balanced using LVS which has been hosted within my organization's network to this point. We've used both direct and tunnel routing within LVS, which results in ...
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1answer
61 views

EC2 Spot Instance Capabilities

I'm planning to bring up a few EC2 Spot Instances in the near future but, before I do, I have a couple of questions that I couldn't find answers to in the documentation. I was curious if it was ...
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0answers
5k 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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1answer
2k views

OwnCloud - Slow Transfer Rates - Unsolved Bug?

I recently setup an OwnCloud server. However, after installing the Sync Client I get very slow transfer rates. I might do 1GB a day. Is this just an issue with WEBDav protocol? I've read that there ...
2
votes
1answer
227 views

Servers Hostname Normalisation [duplicate]

I'm currently building a private servers farm with a thousand and thousand hosts, and I suddenly faced a really interesting question that I was unable to answer at the moment. Is there a Standard ...
-2
votes
1answer
72 views

Remote storage on ubuntu server

I have an Ubuntu server having limited storage, 30GB. I need extra 100GB, how can I have a remote storage or remote drive which does not occupy local space? Cloud services like dropbox take local ...
27
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8answers
6k views

Block employee access to public cloud

First of all, let me state that this is not my idea and I don't want to discuss whether such an action is reasonable. However, for a company, is there a way to prevent employees to access public ...
2
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2answers
432 views

Amazon VPC Availability

We are trying to expand our reliability setup using VPC in us-west-1. The 'a' and 'b' AZs work fine, but when I try to create subnets on 'c' it just fails with the message: Value (us-west-1c) for ...
3
votes
1answer
2k views

What is the difference between OpenStack, CloudFoundry and Stackato?

I'm quite new to all this *aaS thing, and currently I'm trying to wrap my head around concepts and how things basically work. What puzzles me quite a bit at the moment is the difference between a ...
33
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6answers
6k views

If a Windows shop moves “everything” to the cloud, does it still need Active Directory?

Taking a spin off of this question: Do I really need MS Active Directory? in a new direction for 2014. Taking into account a basic Windows infrastructure: domain controllers Exchange 2007/2010/2013 ...
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1answer
51 views

Scalable Cloud solution for High Availability [closed]

Scenario: I am about to launch a cloud software in a couple months. This will be a SaaS solution for multiple clients. The software deals with Healthcare o Encryption at rest is a requirement. It is ...
10
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4answers
2k views

Why use a print server?

We have 3 network-printers to manage for about 50 users. Until now we have used a Windows 2003 Server Domain Controller with print service as our print server, but we are migrating many services to ...
-1
votes
3answers
63 views

What program/service should I use to set up a file server and browse those files on the web? [closed]

I'm new to networking and IT, so I apologize for any gaps of knowledge in my query. I want to set up a file server for at least ten Windows 7 workstations so that these computers can download and ...
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1answer
396 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 ...
6
votes
7answers
18k 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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2answers
45 views

How do I choose servers to minimize latency to a critical third-party service?

I would like to spin up a cloud server that has the minimum possible ping to a third-party service. Do you just get on AWS and keep making servers in new Availability Zones until the ping is good ...
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1answer
32 views

Is there a decent way to manage accounts across disparate web services?

I'm in the position of needing to manage the accounts of multiple people across many different types of services, including onboarding and offboarding users. Being that we're using multiple different ...
2
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1answer
81 views

Is there more than one provisioning technology named fog? [closed]

I have a puppet installation in which I tried to check the fog version (for cloud provisioning), but I got no response so I assumed it was not installed. I need fog in order to utilize the vmware ...
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votes
1answer
101 views

On my Amazon EC2 instance for a school project. I tracked visitor IPs and within 5 minutes an IP linked to cnn-noc.net (Huawei/China Netcom) appeared [closed]

I'm not sure if there are any rules here regarding posting specific IP addresses so I will take the address down if necessary. As aforementioned, I put up an IP tracker on my Amazon EC2 instance for ...
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votes
1answer
45 views

Microsoft Private Cloud: how do I enable web managment? [closed]

First thing, this is a college project. I know that I broke some rules on having so many roles on one server, but again this is just to prove to my instructor that I can setup MS Private Cloud. So, I ...
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votes
1answer
901 views

KVM vs Hyper-V. Which hypervisor is best for windows guests? [closed]

I am currently testing openstack for windows guests (XP and 7). I have deployed openstack "all in one" on system with following specs Processor corei5. (4 physical cores and 8 Threads with HT ...
2
votes
1answer
150 views

Logs show lots of user attempts from unknown IP [duplicate]

I lost access to my instance which I host on AWS. Keypairing stopped to work. I detached a volume and attached it to a new instance and what I found in logs was a long list of Nov 6 20:15:32 ...
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0answers
218 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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votes
1answer
38 views

Is there a way to know the very instant that sshd becomes available on a remote box?

Lots of cloud providers (AWS, GCE, etc) allow you to start up a machine instance, and then start billing you immediately. It can take anywhere from minutes to tens of minutes for the server to come up ...
0
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1answer
631 views

Where is billing module in OpenStack fresh install?

I have install openstack on single node using packstack. but i cannot find any way to know about how to do billing of my virtual machines. Is the billing module integrated inside openstack? (which i ...
0
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1answer
117 views

Understanding swiftstack storage

I just wanted to make sure I understand swift FS properly. Is it possible to run a live VM operating system image on Swift like you can on a mounted SAN/NAS/Local storage? Or is it just for operations ...
0
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1answer
62 views

Which would be the best switch for a cloud cluster? [closed]

I am about to set up a private cloud using Eucalyputs on CentOS, and I am confused about buying a network switch. Right now there will be 4 node controllers on my cloud, but in the near future I am ...
2
votes
0answers
464 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 ...
2
votes
2answers
185 views

What's the best 'out of the box' way to copy files to a cloud server?

I need to copy files to a newly provisioned Amazon Windows 2008 server. FTP seems to be frowned upon these days, so what is the recommended way of getting files to the machine? Ideally without ...
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votes
1answer
144 views

Loadbalance between Heroku and AppHarbor? [closed]

How would you set up simple redundancy between these 2 "cloud" providers? Does a DNS fallback seem reasonable (that would update records when one is down) or would it take too long to propragate the ...
0
votes
2answers
275 views

MySQL geographic replication cloud

I currently have a standard local LAMP setup, (2 web servers, master/slave MySQL, load balancer). This is severing me well locally, but my global users experience slowness. I want to setup some ...
4
votes
2answers
2k views

How to estimate network data transfer volume for a mysql database

When planning to port my application (Java+Tomcat+MySql) to a cloud hosting, I've found that one important factor to consider is the volume of data transferred to/from the database, as it is limited ...
0
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1answer
574 views

I'm able to connect to my seafile using my root domain, although I only specified to use my subdomain. (nginx)

I have the following problem, that I'm able to connect to my seafile installation using my root domain "www.domain.com", although I only specified and I only want to use "cloud.domain.com". I only ...
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vote
2answers
66 views

can two cloud infrastructures connect

I want to use app engine but unfortunately they are not supporting with their DB spatial queries, so I was wondering if there is a way to create my DB on one cloud either AWS or Azure and my backend ...
0
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1answer
15 views

Renting Bandwith Overhead [duplicate]

Preface I have my own servers that have been given to me by a company I used to work for. I want to use these servers for some sites I've developed. I'm expecting a good amount of traffic and don't ...
0
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0answers
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 ...
1
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1answer
306 views

Relay HTTP request through other servers and back

I have 6 Ubuntu cloud servers, which of one acts as a main Django deployment with an intranet and cronjobs. For the cronjobs I request data from different data-sources, that I want to go through the ...
0
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2answers
91 views

Avoid server downtime [closed]

Up until now, I've always set up my projects on a single (cloud or vps) instance. Always the same routine: Install LAMP, have it make mysql dumps for backups, secure the ssh, let it run for years ...
0
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1answer
43 views

Puppet. add user and permissions from another node

We have 2 nodes first node 'db' { include postgresql::server } second node 'webapp' { include nginx include unicorn include postgresql::client } how to make the second node could add the database ...
0
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1answer
66 views

EC2-like virtualisation platform with non-RDP access

I'm looking into setting up a few small VMs. The trouble is the software I intend to install on them (Cisco VPN Client) blocks out networking (other than to the target VPN destination...) with no ...