December 2025
Intermediate to advanced
896 pages
25h 4m
English
Content preview from Linux Bible, 11th Edition
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CHAPTER 23Understanding Basic Linux Security
A t its most basic level, securing a Linux system starts with physical security, data security, user accounts protection, and software security. Over time, you need to monitor that system to make sure it remains safe.
Some of the questions that you need to ask yourself include the following:
- Who can get to the system physically?
- Are backup copies of data being made in case of disaster?
- How well are user accounts secured?
- Does the software come from a secure Linux distribution, and are security patches up–to date?
- Have you been monitoring the system to make sure that it has not been cracked ...
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