Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Practical Linux Security Cookbook

You're reading from   Practical Linux Security Cookbook Secure your Linux machines and keep them secured with the help of exciting recipes

Arrow left icon
Product type Paperback
Published in Apr 2016
Publisher Packt
ISBN-13 9781785286421
Length 276 pages
Edition 1st Edition
Tools
Arrow right icon
Authors (2):
Arrow left icon
Michael A Lindner Michael A Lindner
Author Profile Icon Michael A Lindner
Michael A Lindner
Tajinder Kalsi Tajinder Kalsi
Author Profile Icon Tajinder Kalsi
Tajinder Kalsi
Arrow right icon
View More author details
Toc

Table of Contents (12) Chapters Close

Preface 1. Linux Security Problems 2. Configuring a Secure and Optimized Kernel FREE CHAPTER 3. Local Filesystem Security 4. Local Authentication in Linux 5. Remote Authentication 6. Network Security 7. Security Tools 8. Linux Security Distros 9. Patching a Bash Vulnerability 10. Security Monitoring and Logging Index

Using system tools – strace

When running any command or program on our Linux machine, you might wonder what the background working of it is. For this, we have a very useful tool in Linux called strace.

This a command-line tool that can be also used as a diagnostic or debugging tool. strace monitors the interaction between processes and the Linux kernel and is helpful when we want to debug the execution of any program.

Getting ready

This tool is available for all Linux-based systems by default. Hence, nothing else needs to be configured to start using strace.

How to do it…

Let's see how strace can be used in various ways to trace the execution of any program from start to end.

  1. To trace the execution of any executable command in Linux, simply run the strace command followed by the executable command. If we use strace for the ls command, we get this output:
    How to do it…
  2. In the preceding screenshot, the output displayed has been truncated. If we check the last few lines of the output, we see...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime