Sungju's Slow Life

Personal journal


Cloud Computing

  • External network doesn’t work in OpenStack running on VMWare fusion?

    I’ve been hard time to figure out why my openstack doesn’t communicate with outside and it’s always saying ‘Down’ when I checked external network in router. It turned out that is the issue with ‘promiscuous mode’. In default, it’s requires to have authentication for entering promiscuous mode. By turning it off, the network works fine… Continue reading

  • What’s cloud computing

    Some summary from http://en.wikipedia.org/wiki/Cloud_computing Abstract In computer networking, cloud computing is a phrase used to describe a variety of computing concepts that involve a large number of computers connected through a communication network such as the Internet. It is very similar to the concept of utility computing. In science, cloud computing is a synonym for… Continue reading

About Me

A software engineer who loves any technologies that makes life easier. That’s why I love Linux and Mac at the same time.

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