Support my work https://www.buymeacoffee.com/abhishekprd Hi Everyone, Welcome back to my channel. In this video, We will take a look at the Advanced or Part-2 of Shell Scripting and learn how to become a Hero in Linux and Shell Scripting. Learn why Shell Scripting is used in DevOps and most commonly asked Interview Questions. 0:00 - Introduction 01:10 - What did we learn in Part-1 ? 02:00 - [DevOps Use-Case] How to analyze the health of a Node ? 04:00 - Sample Script for finding out Node Health 05:15 - Good Practices in writing a script 06:45 - Commands for Node health 07:30 - Execution of the Script but how to improve it ? 08:15 - Using Print/echo Statements to improve readibility 09:20 - set -x command to run script in debug mode 12:20 - What are processes, how to list them and find process ID ? 15:50 - grep and pipe commands to filter the output. 23:12 - IMPORTANT INTERVIEW QUESTION on PIPE. 28:10 - AWK command 30:30 - Summary on what did we learn till now 32:20 - set -e and set -o pipefail 32:58 - set -e in detail, how to exit when there is an error. 37:20 - set -o pipefail and why to use it ? 41:00 - [DevOps Use-Case] How to search errors in remote logfile. 47:00 - wget command and use-cases ? 48:00 - CURL vs WGET 49:00 - find command 53:00 - sudo and su commands 55:00 - if else 1:06:00 - for loops About me: ----------------- LinkedIn: https://www.linkedin.com/in/abhishek-veeramalla-77b33996/ GitHub: https://github.com/iam-veeramalla Medium: https://abhishekveeramalla-av.medium.com/ YouTube: https://www.youtube.com/channel/UCnnQ3ybuyFdzvgv2Ky5jnAA