1. Creating a Docker Image with Python  Using docker library to build an image: python import docker client = docker.from_env() # Dockerfile content dockerfile_content = “”” FROM python:3.9-slim WORKDIR [ … ]

1. File Operations  Read a file: python with open(‘file.txt’, ‘r’) as file: content = file.read() print(content)  Write to a file: python with open(‘output.txt’, ‘w’) as file: file.write(‘Hello, DevOps!’) [ … ]

Q1.Install and configure Ansible on the control-node control.realmX.example.com as follows: –> Install the required packages –> Create a static inventory file called /home/admin/ansible/inventory as follows: node1.realmX.example.com is a member of [ … ]

LAMP Stack Setup and Web Application Deployment with Ansible 1. Playbook to Install and Configure Docker yaml — – name: Install and Configure Docker hosts: all become: yes tasks: – [ … ]

1. Playbook to Configure NTP (Network Time Protocol) yaml — – name: Configure NTP on Servers hosts: all become: yes tasks: – name: Install ntp package apt: name: ntp state: [ … ]

Ansible Playbooks 1. Simple Playbook to Install a Package yaml — – name: Install Nginx web server hosts: webservers become: yes tasks: – name: Install nginx package apt: name: nginx [ … ]

Ansible Definition Ansible is a powerful, open-source automation tool designed to streamline IT tasks such as configuration management, application deployment, and orchestration. Its core strengths are its simplicity, scalability, and [ … ]

What is Monitoring? Monitoring is the continuous process of collecting, analyzing, and visualizing system and application metrics to understand the performance, availability, and overall health of your infrastructure. What is [ … ]

I. Core Kubernetes Concepts (50 Questions) A. Pods & Containers (10 Questions) 1. CrashLoopBackOff: A critical Pod is repeatedly restarting with CrashLoopBackOff. Describe your step-by-step debugging process. 2. ImagePullBackOff: A [ … ]

1. Kubernetes Basics: ● Pods: Smallest deployable units in Kubernetes that can hold one or multiple containers. ● Nodes: Worker machines in Kubernetes. ● Clusters: A set of worker machines, [ … ]