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Practical Linux Security Cookbook

You're reading from   Practical Linux Security Cookbook Secure your Linux environment from modern-day attacks with practical recipes

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781789138399
Length 482 pages
Edition 2nd Edition
Tools
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Author (1):
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Tajinder Kalsi Tajinder Kalsi
Author Profile Icon Tajinder Kalsi
Tajinder Kalsi
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Toc

Table of Contents (15) Chapters Close

Preface 1. Linux Security Problem FREE CHAPTER 2. Configuring a Secure and Optimized Kernel 3. Local Filesystem Security 4. Local Authentication in Linux 5. Remote Authentication 6. Network Security 7. Security Tools 8. Linux Security Distros 9. Bash Vulnerability Patching 10. Security Monitoring and Logging 11. Understanding Linux Service Security 12. Scanning and Auditing Linux 13. Vulnerability Scanning and Intrusion Detection 14. Other Books You May Enjoy

Linux patch management system


In present computing scenarios, vulnerability and patch management is a never ending cycle. When an attack happens on a computer due to a known vulnerability being exploited, we can see that the patch for such a vulnerability already exists, but has not been implemented properly on the system, which causes the attack to happen.

As a system administrator, we have to know which patch needs to be installed and which one should be ignored.

Getting ready

Since patch management can be done using the built-in tools of Linux, no specific settings need to be configured before performing these steps.

How to do it...

The easiest and most efficient way to keep our system updated is to the use the Update Manager, which is built into the Linux system. In this recipe, we will explore how the Update Manager works on the Ubuntu system:

  1. To open the graphical version of Update Manager in Ubuntu, click the Superkey, which is on the top in the toolbar on the left-hand side, and then type...
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