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Virtual machine - made cloud computing possible
Harvard class:http://cm.dce.harvard.edu/2010/01/13450/L07/seg1/index_FlashSingleHighBandwidth.html^{Image Removed}

VM types:

• Xen -free
• VMware - commercial, used by industry, full virtualization
• Parallels - tailored for Mac users

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All resources are described at http://cs50.net/wiki/CS_264^{Image Removed}

Private cloud computing: http://aws.amazon.com/^{Image Removed}

And this is my 1st VM on the claud

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1. On the left, go to 'Security Groups'
2. select 'default' fire wall (unless you have sth else already)
3. add & save : SSH tcp 22 22 0.0.0.0
4. now try ssh again

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Mounting EBS (permanent) volume to the instance (it was not reliable for me, between sessions data were partially corrupted)

1. 1st time it need formating
   1. Browser: Create volume , using 'Volumes', pick 300GB (it is small and not pricy)
   2. Browser: right click on the volume, attache it to running Instance of VM, remember name, e.g.: /dev/sdf
2. ssh to VM
   1. partition this disk , e.g. using fdisk
      • fdisk /dev/sdf
        n : new partition
        p : primary
        1 : partion #1
        1 : (default begin)
        enter : (default end)
        p : print
        w : write partition
   2. format disk using mkfs
      mkfs.ext3 /dev/sdf1 ('1' is partition selected earlier)
      agrre on any question by pressing 'enter'
   3. mount disk as home dir named storage
      mkdir /storage
      mount /dev/sdf1 /storage
      cd /storage
      ls

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      SCP file from AMI to local machine

scp -i ~/janAmazonKey.pem root@ec2-174-129-63-11.compute-1.amazonaws.com:"/bla_lis" .

You are done. Well, you need to pay for it. This is my 1st bill:

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It works the best in a machine w/ installed Java and some EC2 software. This is reasonable instruction:http://www.linuxconfig.org/Howto_CREATE_BUNDLE_UPLOAD_and_ACCESS_custom_Debian_AMI_using_ubuntu^{Image Removed}
It is written for Ubuntu 9.04 machine, so I selected this VM:
ami-2bfd1d42 binarymillenium/ec2/ubuntu/version2/image.manifest.xml
and added the following:

next I added:
mkdir ~/aws
cd ~/aws
wget http://s3.amazonaws.com/ec2-downloads/ec2-api-tools.zip
wget http://s3.amazonaws.com/ec2-downloads/ec2-ami-tools.zip
sudo unzip -d /opt/ ec2-api-tools.zip^{Image Removed}
sudo unzip -d /opt/ ec2-ami-tools.zip

export PATHEC2_HOME=$PATH:/opt/ec2-api-tools-1.3-3454442584/

export PATH=$PATH:$EC2_HOME//bin/ (but version # was different)
export

export JAVA_HOME=/usr/

If c-shell is used do:

setenv EC2_HOME

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 /opt/ec2-api-tools-1.3-

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46266/
setenv PATH $PATH":$EC2_HOME

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/

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bin/"

Now I was able to test the following command does sth
ec2-register

I probably should also have set
export EC2_PRIVATE_KEY=~/.ec2/pk-K5AHLDNT3ZI28UIE6Q7CC3YZ4LIZ54K7.pem
export EC2_CERT=~/.ec2/cert-K5AHLDNYYZI2FUIE6R7CC3YJ4LIZ54K7.pem
export EC2_ACCNO=155678941235
export ACCESS_KEY=1WQ6FJKYHJMPTJ3QR6G2
export SECRET_KEY=VDYxRzosnDWvxrJ97QntVpsSUBAavGHE1QJELEyY

If 'ruby' is missing execute:
sudo apt-get install ruby

Alternative:
sudo apt-get install ec2-ami-tools

Below are steps leading to bundling & registering

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Conversion of VMware to EC2

http://thewebfellas.com/blog/2008/9/1/creating-an-new-ec2-ami-from-within-vmware-or-from-vmdk-files^{Image Removed}