System Management and File Security
When you are responsible for a complex system running hundreds or even thousands of processes simultaneously, controlling access to that system is one of the most important tasks you have...
The demonstrations in this module were carried out on a Red Hat Enterprise Linux 10 machine — an important detail because many of the tools behave a little differently on Debian/Ubuntu-family systems, a distinction covered later in this module.
To add a new user account on Red Hat, Fedora, or any distribution in the Red Hat family, the traditional tool is useradd. Creating a user is a privileged operation, so it must be run with sudo.
It is not considered good practice for an administrator to actually know the passwords assigned to individual user accounts. The password set this way should be treated as a temporary value that the user is expected to change the first time they log in.
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What's inside
9 sections- 1 Table of Contents
- 2 Introduction
- 3 Module 1: Managing Users and Groups
- 4 Module 2: Working with Object Permissions
- 5 Module 3: Working with Object Ownership
- 6 Module 4: Managing System Processes
- 7 Module 5: Managing System Log Operations
- 8 Summary
- 9 Command-Line Quick Reference
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