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…
Read more »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?…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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…
Read more »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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