2017

• OpenStack Projects Overview
• hands on nova aggregates

2016

• How to use cloud-init

2015

• SaltStack Tutorial
• getting started with InfluxDB
• Openstack neutron bandwidth/QOS by linux TC

2014

• config openstack use cpeh backend

2013

• grow lvm file system and shrink lvm file system
• openstack code snippets keystone
• openstack resource tracker and scheduler
• understand how openstack create instance disk
• qemu-img command help
• openstack code snippets
• revovery openstack instance
• openstack install keystone service
• python interview question and answers
• yield, generator and iterable in python
• my python programming environment
• how to use urllib2
• encrypt python source code
• a chain of function decorators
• a guid to python's magic method
• python2.7 string vs unicode
• how to use markdown