Interview Questions & Answers for Terraform

Explain what Terraform is and how does it works What benefits infrastructure-as-code has? Why Terraform and not other technologies? (e.g. Ansible, Puppet, CloufFormation) True or False? Terraform follows the mutable…

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Interview Questions & Answers for Ansible

Ansible Describe each of the following components in Ansible, including the relationship between them: Task Module Play Playbook Role How Ansible is different from other Automation tools? True or False?…

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Interview Questions & Answers for Virtualization

Virtualization Explain what is Virtualization What is a hypervisor? What types of hypervisors are there? What are the advantages and disadvantges of bare-metal hypervisor over a hosted hypervisor? What types…

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Interview Questions & Answers for Operating System

Operating System What is an operating system? What is “virtual memory” and what purpose it serves? What is demand paging? What is copy-on-write or shadowing? What is a kernel, and…

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Interview Questions & Answers Complete Guide for Linux

Linux What is your experience with Linux? Explain what each of the following commands does and give an example on how to use it: Explain each field in the output…

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Networking Interview Questions & Answers Complete Sets

Network What is Ethernet? What is TCP/IP? What is a MAC address? What is it used for? When is this MAC address used?: ff:ff:ff:ff:ff:ff What is an IP address? Explain…

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AWS Interview Questions & Answers Complete Sets

AWS Global Infrastructure Explain the following Availability zoneRegionEdge location IAM What is IAM? What are some of its features? Given an example of IAM best practices? What are Roles? What…

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Cloud Interview Questions & Answers Sets

What is Cloud Computing? What is a Cloud Provider? What are the advantages of cloud computing? Mention at least 3 advantages Pay as you go (or consumption-based payment) – you…

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Jenkins Interview Questions & Answers Sets

What is Jenkins? What have you used it for? Jenkins is an open source automation tool written in Java with plugins built for Continuous Integration purpose. Jenkins is used to…

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Interview Questions & Answers Sets on CI/CD

What is Continuous Integration? A development practice where developers integrate code into a shared repository frequently. It can range from a couple of changes every day or a week to…

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Interview Questions & Answers Sets on Version Control

What is Version Control? Version control is the sytem of tracking and managing changes to software code.It helps software teams to manage changes to source code over time.Version control also…

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Example Questions & Answers during Interview on DevOps Topics

What is DevOps? You can answer it by describing what DevOps means to you and/or rely on how companies define it. I’ve put here a couple of examples. Amazon: “DevOps…

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What is Pixie and its use cases?

Instant Kubernetes-Native Application Observability Pixie gives you instant visibility by giving access to metrics, events, traces and logs without changing code. Pixie is an open source observability tool for Kubernetes…

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Big data development: Its uses in 2021

Big data, as the name suggests, is a collection of data in massive volumes that grow exponentially with time. The data is of a larger size and complexity that traditional…

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How to force/redirect from http to https using .htaccess

This is the best for www and for HTTPS, for proxy and no proxy users Example Code – 1 – Forcing the domain to serve securely using HTTPS (for any…

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Complete Guide and Tutorials for Routing in Laravel

Routing All Laravel routes are defined in your route files, which are located in the routes directory. These files are automatically loaded by the framework.The routes/web.php file defines routes that…

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Docker Certified Associate(DCA) Study Guide

Docker Tutorials Fundamental To Advanced-2021 crash Course https://bit.ly/3hOIbTB Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps…

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Quick Tutorials of Hashicorp Packer

Packer AWS – Builders & Provisionars – aws-ubuntu.pkr.hcl Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps…

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How can we use Ansible and where?

Friends, First of all let’s know about Ansible is simple yet powerful. It is a great automation tool and does have great future. It is an open-source automation tool, or…

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List of Free Hosting Providers in 2021

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Free IT and Software Certifications in 2021

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Ansible Certification Roadmap & Path 2021

Retired – Red Hat Certified Specialist in Ansible Automation exam Now that EX407 is retired as of DEC 31st 2020, what are our options to get Certified in Ansible Automation…

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Google Cloud Certification Roadmap & Path

Google Cloud Associate Cloud Engineer Google Cloud Professional Cloud Architect Google Cloud Professional Cloud Developer Google Cloud Professional Data Engineer Google Cloud Professional Cloud DevOps Engineer Google Cloud Professional Cloud…

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Google Cloud Developer Architect Devops Engineer Cheatsheet

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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AWS Certification Roadmap & Path

AWS Certified Solution Architect Associate AWS Certified SysOps Administrator Associate AWS Certified Developer Associate AWS Certified Solution Architect Professional AWS Certified DevOps Engineer Professional AWS Certified DevOps Security Specialty AWS…

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Terraform Architecture and Components through diagram

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Implement CI/CD using Terraform and Jenkins on AWS

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Python Tutorials: Use cases in real life explained with image

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Top 21 Local Search Engine and Local Business Listing websites in 2021-22

Today, after the pandemic more than 90% of online experiences start with Search Engines. When someone wants to find businesses, products, services, or maybe any kind of query they first…

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Install and Configure Grafana in Linux

Download & Install Grafana 11.x using TAR Download & Install Grafana 8.x using TAR and RPM Ubuntu and Debian Standalone Linux Binaries(64 Bit) Red Hat, CentOS, RHEL, and Fedora(64 Bit)…

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