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Mastering Python Scripting for System Administrators

You're reading from   Mastering Python Scripting for System Administrators Write scripts and automate them for real-world administration tasks using Python

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Product type Paperback
Published in Jan 2019
Publisher Packt
ISBN-13 9781789133226
Length 318 pages
Edition 1st Edition
Languages
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Author (1):
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Ganesh Sanjiv Naik Ganesh Sanjiv Naik
Author Profile Icon Ganesh Sanjiv Naik
Ganesh Sanjiv Naik
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Table of Contents (21) Chapters Close

Preface 1. Python Scripting Overview FREE CHAPTER 2. Debugging and Profiling Python Scripts 3. Unit Testing - Introduction to the Unit Testing Framework 4. Automating Regular Administrative Activities 5. Handling Files, Directories, and Data 6. File Archiving, Encrypting, and Decrypting 7. Text Processing and Regular Expressions 8. Documentation and Reporting 9. Working with Various Files 10. Basic Networking - Socket Programming 11. Handling Emails Using Python Scripting 12. Remote Monitoring of Hosts Over Telnet and SSH 13. Building Graphical User Interfaces 14. Working with Apache and Other Log Files 15. SOAP and REST API Communication 16. Web Scraping - Extracting Useful Data from Websites 17. Statistics Gathering and Reporting 18. MySQL and SQLite Database Administrations 19. Assessments 20. Other Books You May Enjoy

Parsing other log files

There are also different log files available within our system, including Apache log. In our Linux distribution, the log files are in the /var/log/ folder within the root filesystem as shown here:

In the preceding screenshot, we can easily see the different types of log files (for instance, authentication log file auth.log, system log file syslog, and kernel log kern.log) available for different operations entries. As we perform operations on Apache log files, as shown previously, we can also perform the same kind of operations on local log files. Let's see an example for parsing one of the log files from before. Create a simple_log.py script and write the following content in it:

f=open('/var/log/kern.log','r')

lines = f.readlines()
for line in lines:
kern_log = line.split()
print(kern_log)
f.close()

Run the...

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