Build a Virtual Raspberry Pi Cluster
If you have ever had an idea to build a phyisical rasperry pi cluster like this:http://modernhackers.com/raspberry-mini-data-center-cloud/ Much easier to build a virtual one
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GNS3
Install IBM z/OS mainframe under GNS3
The opportunity now given to play with a mainframe computer in your GNS3 network simulator environment, you just need to follow the steps
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