https://technet.microsoft.com/en-us/library/cc749323(v=ws.10).aspx Technet microsoft-ping problem solver

http://linux-ip.net/html/basic-changing.html How to set ip address and gefault gateway in linux

https://gns3.com/discussions/virtualbox-in-gns3   How to solve the problem with GNS3 and VirtualBox(hint, install the newest versions)

Best blogs for computer science academics

https://blogs.hopkins-interactive.com/academics/category/computer-engineering/
http://www.mastersincomputerscience.net/top-50-computer-science-blogs.html 

Tutorials point Unix commands

http://www.tutorialspoint.com/unix_commands/sleep.htm

http://www.tutorialspoint.com/angularjs/angularjs_scopes.htm

 Love tutorialspoint! <3

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