Execute linux/unix command in java.

Sample entrance code of rabbitmq java client.

How to pass testng command line arguments dynamically when Ant is used for invoking testng task.

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 setting up and 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.

How to config shadowsocks server on ubuntu.