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Linux Shell Scripting Cookbook

You're reading from   Linux Shell Scripting Cookbook Do amazing things with the shell and automate tedious tasks

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Product type Paperback
Published in May 2017
Publisher
ISBN-13 9781785881985
Length 552 pages
Edition 3rd Edition
Tools
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Authors (3):
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Clif Flynt Clif Flynt
Author Profile Icon Clif Flynt
Clif Flynt
Sarath Lakshman Sarath Lakshman
Author Profile Icon Sarath Lakshman
Sarath Lakshman
Shantanu Tushar Shantanu Tushar
Author Profile Icon Shantanu Tushar
Shantanu Tushar
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Toc

Table of Contents (20) Chapters Close

Title Page
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Shell Something Out FREE CHAPTER 2. Have a Good Command 3. File In, File Out 4. Texting and Driving 5. Tangled Web? Not At All! 6. Repository Management 7. The Backup Plan 8. The Old-Boy Network 9. Put On the Monitors Cap 10. Administration Calls 11. Tracing the Clues 12. Tuning a Linux System 13. Containers, Virtual Machines, and the Cloud

Managing multiple terminals from one


SSH sessions, Konsoles, and xterms are heavyweight solutions for applications you want to run for a long time, but they perform a check infrequently (such as monitoring log files or disk usage).

The GNU screen utility creates multiple virtual screens in a terminal session. The tasks you start in a virtual screen continue to run when the screen is hidden.

Getting ready

To achieve this, we will use a utility called GNU screen. If the screen is not installed on your distribution by default, install it using the package manager:

apt-get install screen

How to do it...

  1. Once the screen utility has created a new window, all the keystrokes go to the task running in that window, except Control-A (Ctrl-A), which marks the start of a screen command.
  2. Creating screen windows: To create a new screen, run the command screen from your shell. You will see a welcome message with information about the screen. Press Space or Return to return to the shell prompt. To create a new...
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