How do you pass arguments to a Bash script?

#!/bin/bash
echo "Hello, $1!"

Run: ./script.sh DevOps → Output: Hello, DevOps!

How do you handle errors in Bash scripts?

Use set -e to stop execution on errors.

What is an Ansible playbook?

A YAML file that defines automation tasks for servers.

How do you handle exceptions in Python?

try:
    print(1 / 0)
except ZeroDivisionError:
    print("Cannot divide by zero")

How do you schedule a script with Cron?

Edit crontab -e and add:

0 5 * * * /path/to/script.sh

Runs the script daily at 5 AM.

How do you execute a Groovy script in Jenkins?

Use script {} inside a Jenkins pipeline.

How do you create a list in Python?

mylist = [1, 2, 3]
print(mylist[0])

What is sed in Bash?

Used for text replacement. Example:

sed -i 's/old/new/g' file.txt

How do you define a dictionary in Python?

mydict = {"name": "DevOps"}
print(mydict["name"])

How do you validate a YAML file?

Use yamllint or kubectl apply -f --dry-run=client.

How do you install Python modules?

pip install requests

What is Jenkins pipeline syntax for automation?

pipeline {
    agent any
    stages {
        stage('Build') {
            steps {
                echo "Building..."
            }
        }
    }
}

How do you iterate over a dictionary in Python?

for key, value in mydict.items():
    print(key, value)

How do you set environment variables in Bash?

export VAR="DevOps"

What is an Ansible role?

A reusable way to organize Ansible tasks, handlers, and templates.

What is a multiline string in YAML?

message: |
  Line 1
  Line 2

What is an associative array in Bash?

declare -A myarray
myarray[name]="DevOps"
echo ${myarray[name]}

How do you run a shell command in Python?

import os
os.system("ls")

What is jq in Linux?

Used to parse JSON. Example:

cat data.json | jq '.name'

How do you exit a script with a status code?

exit 1