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

Nyssa and I are working on deploying a web app we 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...

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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.

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