Linux Process Management Instructor Guide

https://www.amazon.com/dp/B0CRY8TZ1K/

In a Linux system, utilizing commands to manage processes is an essential part of working in the environment. Especially, if a process becomes stuck, it could indeed take on all the system resources. This processing could include foreground and background processes. Therefore, this instructor guide covers the most common ways to stop and manage processes. The commands can be utilized for personal, educational, or corporate usage. It is envisioned that the instructor utilize the material from this guide via a demonstration type format.

Contents

How to use and run commands

Foreground vs Background Processes

jobs

fg

bg

Commands to Find Processes

ps

ps -a

ps -u

ps aux | grep firefox

ps -ef | grep name

pgrep

pgrep -lu root

pgrep -n

pgrep -o

pgrep -i sh

pidof

pidof -s sh

pidof -c sh

pidof -x sh

top

kill, killall, pkill

kill

ps -ef

killall

killall firefox

killall -l

pkill

pkill firefox

Process Signals

Sending Signals

ps -ef

kill -15 63

kill -TERM 63

killall -15 63

killall -TERM 63

pkill -15 63

pkill -TERM 63

Conclusion

About the Author

Notes

Linux Log Parsing Instructor Guide

https://www.amazon.com/dp/B0CLKZF879/

Logs are a critical aspect of a Linux system as they provide valuable information utilized for troubleshooting, performance analysis, security, and compliance. The concepts and examples presented here explore specific commonly utilized ways to parse logs, accompanied by practical and advanced command examples to demonstrate their usage in real-world scenarios.

The material will be useful to a system administrator, power user, end user or student looking to further their knowledge in this area.

The guide is meant to be utilized by an individual whom will be reviewing via demonstration format these core topics. After each example, the commands, parameters, and options are explained.

Contents

How to use and run commands

Common Linux System Logs

Awk

Cut

Diff

Grep

Sed

Sort

Uniq

Vimdiff

Wc

Linux Wildcard and Meta Characters Instructor Guide

https://www.amazon.com/dp/B0CFQ1S3L4/

In Linux, wildcards and meta-characters are invaluable tools for efficient file manipulation and pattern matching. The concepts and examples presented here explore specific commonly utilized wildcards and metacharacters, accompanied by practical and advanced command examples to demonstrate their usage in real-world scenarios. The material will be useful to a system administrator, power user, end user or student looking to further their knowledge in this area. 

The guide is meant to be utilized by an individual who will be reviewing via demonstration format these core topics.

Contents

Instructor or End User Set-up:

Create Example Files:

Common Wildcards:

Asterisk (*)

Question mark (?)

Square brackets ([])

Curly braces ({})

Tilde (~)

Backslash (\)

Exclamation mark (!)

Common Character Classes:

Asterisk (*)

Question Mark (?)

Range of Characters ([])

[characters]

[!characters]

[[:class:]]:

[[:alnum:]]

[[:alpha:]]

[[:digit:]]

[[:lower:]]

[[:upper:]]

Common Meta-Characters:

Pipe (|)

Greater than (>)

Double greater than (>>)

Less than (<)

Caret (^)

Dollar Sign ($)

Ampersand (&)

Semicolon (;)

Combining Wildcards and Meta-Characters

Conclusion:

About the Author:

Notes:

Linux Useful One Liner Commands Instructor Guide

https://www.amazon.com/dp/B0BX2MQ82B/

Linux is utilized within the world of information technology in a very broad manner. Therefore, the items presented here are useful one liner commands that encompass real world scenarios that are applicable to a system administrator, power user and an end user or student looking to further their knowledge in this area. 

The guide is meant to be utilized by an individual whom will be reviewing via demonstration format these useful one liner commands.

Table of Contents:

Display and List One-Liners

List Hidden Files And Directories First:

Displays Build of Distribution:

Display Disk Usage in Human Readable Format:

Display Only The Total Disk Usage (Summary) Of Current Directory:

Display Day Of The Year:

Display Lines From Head And Tail:

Press A Key To Continue:

Shows Size Of Files And Directories Sorted:

Count Files In Current Directory:

Monitoring And Using One-Liners

Most Used Commands:

Monitor CPU Speed:

View All Network Activity In Real Time:

View The TCP Connection Status By Group:

Monitoring Kernel Messages:

Total Disk Space Used In Current Directory And Root Directory:

Process Tree With Details:

Check CPU Architecture:

Services And Processes Related One-Liners

Get Running Services By Port Number:

Processes Per User Count:

File Related One-Liners

Find And Delete Specific Type Of Files:

Find All Files And Paths That Do Not Have .txt:

Find Latest Version Of Given File:

Find Files That Contain test, hello and txt:

Find Open Files:

Test Text Writing With Delay:

Vertical Text Display:

Create Sequence Of Numbers 1 To 15 In Perl:

Display Today’s Date:

Octal Dump Of A File:

Run Multiple Commands Against A File:

Match Characters In A String And Return The Matches In Groups Of Two Characters:

Match 10 Characters In A String:

Match Characters Between Brackets:

Search C File And Output Printf Statement:

Search C File And Output Printf And Return Statements:

Match String In C File That Starts With The (" and Ends With the "):

Linux Dictionary A-Z

Linux Dictionary A-Z

https://www.amazon.com/dp/B0BSCZHTMH/

The world of Linux is complicated and intricate. Therefore, in order to understand and maneuver through this vast technology and business environments platform, knowing the proper terminology from A-Z will prove valuable. Each entry is explained with useful parameters, options and examples when relevant.

Linux Addiction Blog

Check out my new Linux Addiction blog - http://linuxadd.blogspot.com

Writings and ramblings on Linux for those who are addicted to it.

http://linuxadd.blogspot.com