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Essential Linux Commands

You're reading from   Essential Linux Commands 100 Linux commands every system administrator should know

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Product type Paperback
Published in Nov 2023
Publisher Packt
ISBN-13 9781803239033
Length 250 pages
Edition 1st Edition
Tools
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Author (1):
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Paul Olushile Paul Olushile
Author Profile Icon Paul Olushile
Paul Olushile
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Table of Contents (20) Chapters Close

Preface 1. Part 1:Server Installations and Management Commands
2. Chapter 1: Getting a CentOS Server Up and Running FREE CHAPTER 3. Chapter 2: Linux User and Group Commands 4. Chapter 3: File Compression and Archival Commands 5. Part 2:Frequently Used Commands – Part 1
6. Chapter 4: Format and Disk Space Commands 7. Chapter 5: Linux Permissions Commands 8. Chapter 6: Filesystem Mount and Manipulation Commands 9. Part 3:Frequently Used Commands – Part 2
10. Chapter 7: File Content and Conversion Commands 11. Chapter 8: Linux SWAP Commands 12. Chapter 9: Linux Monitoring and Debugging Commands 13. Chapter 10: Linux IPTABLES and Network Commands 14. Chapter 11: File Transfer, Downloading, and Managing Log Files 15. Part 4:Linux Security and the Cloud
16. Chapter 12: Exploring Linux Security 17. Chapter 13: Linux in the Cloud 18. Index 19. Other Books You May Enjoy

The lsof command

The lsof command in Linux stands for list open files, and it is a powerful utility used by system administrators to display information about files currently opened by processes on the system. It provides a comprehensive view of all open files, directories, and network connections, along with the corresponding processes that have them open. This information is invaluable for troubleshooting purposes, as it allows administrators to identify processes that are holding file locks, investigate resource utilization, and diagnose issues related to file access. It aids in monitoring and managing files, network connections, and devices, enabling administrators to detect any abnormal behavior, track file access patterns, and identify potential security risks. Furthermore, the lsof command allows system administrators to perform various administrative tasks, such as killing processes that are holding locks on critical files or identifying processes associated with specific network...

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