How to Find and Replace Text in a File on the Command Line Using Sed

I am working on deploying a web app I created and in order to automate the deployment of that web application I have been having to pass bash scripts to the EC2 instance. These bash scripts completely configure the instance and download/setup everything it needs. One thing I wanted to do in these bash scripts is to have the server email me its public ip address at the end of the bash deployment script...

more ...

Installing and Setting Up Zsh

Zsh is a fantastic POSIX compliant bash replacement that I use daily. It fully supports all your normal bash commands and syntax but also adds a lot of cool plugins that have features like auto-completion.

more ...