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Raspberry Pi Zero Cookbook
book

Raspberry Pi Zero Cookbook

by Edward Snajder
March 2017
Beginner to intermediate
422 pages
8h 4m
English
Packt Publishing
Content preview from Raspberry Pi Zero Cookbook

Changing to root and using superpowers

We've touched upon sudo briefly and used it in some recipes, and now it is time to cover this essential command more deeply. There are also ways to become the root user and run whatever you want without having to prefix everything with sudo.

Getting ready

Stay in your terminal!

How to do it...

  1. Any time someone needs elevated permissions to do something, such as installing a program or changing another user's password, if they have the appropriate permissions, they may use sudo to execute such commands. We've used apt-get several times, and if you forgot to use sudo, you will recognize these messages:
    pi@rpz14101:~/share/ch3 $ apt-get install postgresql
    
    E: Could not open lock file /var/lib/dpkg/lock - open (13: ...
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Publisher Resources

ISBN: 9781786463852