With Jenkins “This build is parameterized” feature, we can dynamically pass testng parameters (i.e. test config or data input) through Ant.

Learn some basics of Ruby.

Execute remote command from command line and playbook with Ansible.

Quick steps of getting started with Vagrant including installation, vm starting up and a few commonly-used commands.

Quick steps of using Python virtualenv.

An issue found for iterm2 on Mac is that the color of profiles does not apply, e.g. run "ls -l" command you don't see the different colors for directories or files.

HHow to config shadowsocks server on Ubuntu.

Some log4j tips.

Basic usage of Python fabric.

Python literal conversion using the ast.literal_eval() method.