Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Save more on your purchases! discount-offer-chevron-icon
Savings automatically calculated. No voucher code required.
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletter Hub
Free Learning
Arrow right icon
timer SALE ENDS IN
0 Days
:
00 Hours
:
00 Minutes
:
00 Seconds
Arrow up icon
GO TO TOP
Bash Cookbook

You're reading from   Bash Cookbook Leverage Bash scripting to automate daily tasks and improve productivity

Arrow left icon
Product type Paperback
Published in Jul 2018
Publisher Packt
ISBN-13 9781788629362
Length 264 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Authors (2):
Arrow left icon
 Brash Brash
Author Profile Icon Brash
Brash
Ganesh Sanjiv Naik Ganesh Sanjiv Naik
Author Profile Icon Ganesh Sanjiv Naik
Ganesh Sanjiv Naik
Arrow right icon
View More author details
Toc

Table of Contents (15) Chapters Close

Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
1. Crash Course in Bash FREE CHAPTER 2. Acting Like a Typewriter and File Explorer 3. Understanding and Gaining File System Mastery 4. Making a Script Behave Like a Daemon 5. Scripts for System Administration Tasks 6. Scripts for Power Users 7. Writing Bash to Win and Profit 8. Advanced Scripting Techniques 1. Other Books You May Enjoy Index

Creating and configuring cron Jobs for task scheduling


In this section, we are going to learn how to configure Cron Jobs. We are going to use crontab to set up a Cron Job.

How to do it...

  1. Open your terminal and go to the /etc folder and check the /cron folders. You will see the following cron folders:
    • /etc/cron.hourly
    • /etc/cron.daily
    • /etc/cron.weekly
    • /etc/cron.monthly
  2. Now, we will copy our shell script into one the preceding folders. 
  3. If you need to run your shell script to run daily, place it in the cron.daily folder. If you need to run it hourly, place it in the cron.hourly folder, and so on.
  4. Example: Write a script and place it in the cron.daily folder. Make the script executable by giving the necessary permissions.
  5. Now, run the crontab command:
$ crontab -e
  1. Press Enter and it will ask for the editor of your type. By default, it will open vi editor. In my case, I selected nano. Now, create a cron command. The syntax for creating the cron command is:
    • The number of minutes after the hour (0 to 59...
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 £13.99/month. Cancel anytime
Visually different images