From the course: Complete Guide to Linux Security: Protecting Your Linux Server Environment

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Using the sudo command

Using the sudo command

- Let's talk about sudo and how it works. For this sub-lesson, we're going to be working in Lab 08 using the sudo command, but first, let's talk about sudo a little bit. And so sudo has multiple meanings and I want to go over those briefly. First of all, sudo is a program. So it's a program that runs on Linux systems. It associates permissions with users and groups, but sudo is also a group. It's a group of users that could be added in Debian and Ubuntu and similar systems. If you're working in Debian or Ubuntu, it's known as the sudo group. If you're working in Fedora-based systems, it's the wheel group. That's the name of it. By default, once a user is added to the sudo or wheel group, the user then becomes an administrator, or better yet, a superuser on the system. And finally, sudo is a command, right? So this can be a little confusing because it has multiple meanings, but it's also a command. So when it precedes another command that requires administrative access, it'll allow…

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