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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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
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1answer
25 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 ...
0
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1answer
24 views

make a cloud vps from desktop pcs [closed]

I want to make a cloud vps based on 3 desktop PCs infrastructure with same configuration: CPU intel Core 2 Duo E7300 2x2.66GHz/3M cache/1066MHz DDRam II : 1Gb HDD : sata 80Gb OS: Centos 6.5 What's i ...
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0answers
14 views

Testing Cloud Performance [closed]

I have created a GAE PHP website and I am trying to compare the performance of Cloud Computing compared to traditional web hosting. So I have done basic networking tests, load tests, stress tests etc. ...
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
37 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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votes
2answers
36 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: ...
6
votes
5answers
13k 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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votes
1answer
61 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
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1answer
33 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
75 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
40 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
708 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 ...
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votes
1answer
65 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
44 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
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0answers
79 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
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4answers
298 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
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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
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0answers
46 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
72 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
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0answers
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) ...
0
votes
5answers
520 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
40 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
24 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
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0answers
41 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 ...
0
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1answer
41 views

Test cloud VM performance

I have a linux VM hosted in a cloud environment. I suspect the provider to do too much overprovisioning with CPU and IO, from time to time. For example postgresql's reports 300ms+ queries that are ...
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2answers
62 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
376 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 ...
0
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1answer
82 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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2answers
77 views

Reliably send small amount of mail from possibly blacklisted cloud IPs

So you boot a new cloud server. Only to discover that its IP is blacklisted by misbehavior of the previous owner. How to make sure your mail gets delivered for a modest price? Context: I provide my ...
-3
votes
1answer
37 views

How should my company bring its product, a line-of-business MVC application, into the cloud? [closed]

I am a recently-hired junior software engineer at a small company that develops and sells a normal client/server MVC application to small and mid-level enterprise clients in a particular line of ...
2
votes
0answers
86 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
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1answer
467 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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2answers
54 views

Eucalyptus can't find ssl certs

I've installed eucalyptus-cloud, -cc, -sc, -walrus on a single computer to test it, with the intent to install node controllers on my other servers. When I start eucalyptus-nc it outputs Cannot find ...
0
votes
1answer
58 views

Why is clock synchronization on servers difficult?

See: Clock synchronization quality on Windows Azure? This is not meant as a rant, it is just curiosity. Is a computer really drifting more than a second in a single day? I can barely imagine that. ...
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votes
1answer
32 views

Why can't I see public ip on my cloud server? [closed]

I have recently applied for a cloud-based server. I am not very experienced in system admin. So pardon me if this is silly. I was using ifconfig command to view available network interface. But I ...
0
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1answer
105 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 ...
0
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1answer
53 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 ...
1
vote
7answers
286 views

Security concerns on online backup

Can there be any security with online (cloud) backup? There are solutions that claim to be secure because they encrypt on client side. But there is a client on your server that has access to all your ...
2
votes
1answer
60 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
70 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 ...
-2
votes
1answer
45 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) ...
1
vote
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 ¿ ...
0
votes
3answers
281 views

Copy (down) Rackspace Cloud File bucket to a local directory?

How do I copy (down) a Rackspace Cloud File bucket to a local directory? Or better yet, how do I update a local directory to be a copy of the RS bucket? There are plenty of tools for uploading or ...
0
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3answers
93 views

~50tb of storage in Azure presented as a single Windows File Share

I have googled, the closest thing I have found so far is another SF question here: Azure Storage limitations The Goal: Move approx 50TB of storage to the cloud, present that storage as a standard ...
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votes
1answer
57 views

Secure cloud to internal Mail setup using UUCP or something more modern

Some of our Linux servers are going to be moved out into a cloud. But the servers need to be able to email our users internally and are required to use our domain name as sender. The server cannot ...
-1
votes
1answer
122 views

Getting rid of centralised Windows server in 2014 [closed]

Some context first: I've been maintaining a Windows server for an SME for the last 10 years; the company has changed size and shape over time (5 people in 1 office, then 10 people in 2 offices, now 15 ...
0
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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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votes
1answer
44 views

“Quarterly round trip to populate the cloud” [closed]

A friend has asked me to look over a proposal for an IT infrastructure in her startup. In the "Backup" section of the proposal, cloud-based image backups are offered, but it states that as part of ...