July 2007
Beginner
347 pages
4h 40m
English
Content preview from CLI for Noobies: A Primer on the Linux Command LineBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 12. Sudo Voodoo
Sudo is a handy little tool that is of value to both system administrators and common folks like us. What does it do? It allows you to temporarily assume the identity (and permissions) of another user, up to and including root. In fact, I have it on good authority that the name itself is short for superuser Do.
If you belong to the camp that says you should only have root privileges at the time they are needed, sudo makes your life a little easier by making it easier to shape-shift between the permissions for a mere mortal and those of the superuser.
We’ll start with an easy—and not uncommon—example. You need to make a change to a configuration file in order to take advantage of your latest hardware acquisition.
Let’s say ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.