$> ps -ef | grep <process_name> | awk '{print $2}' | xargs kill -9 »

Regular expression in VIM, you can specify a regex group by \( and \). To get value of group, use \1 where 1 is number of group in regex For example, i want to replace all name with :name »

We sometime want to run a program and after than stop it.

For example, at boot time, we start an selenium. But after that, we want to stop it.

My note about setting selenium

This article is what I learn about config PostgreSQL server and set its authentication up.