AWS Interview Questions and Answer Part – 11
What kind of rules do Network Access Control Lists (NACLs) provide? Outbound allow and deny rules Inbound allow and deny rules Inbound and outbound allow rules Inbound…
AWS Interview Questions and Answer Part – 10
Instance A and instance B are running in two different subnets A and B of a VPC. Instance A is not able to ping instance B. What…
AWS Interview Questions and Answer Part – 9
A customer has a web application that uses cookie-based sessions to track logged-in users. It is deployed on AWS using Elastic Load Balancing and Auto Scaling. When…
AWS Interview Questions and Answer Part – 8
You are designing a new autoscaling config group and you need to create a new alarm to scale your EC2 instances in response to heave web traffic….
AWS Interview Questions and Answer Part – 7
You work for a gaming company that has built a serverless application on AWS using Lambda, API Gateway and DynamoDB. They release a new version of the…
AWS Interview Questions and Answer Part – 6
You run the internal intranet for a corporate bank. The intranet consists of a number of webservers and single relational database running Microsoft SQL Server. Your peak…
AWS Interview Questions and Answer Part – 5
Which of the following is NOT a feature of IAM? Centralised control of your AWS account Integrates with existing active directory account allowing single sign on Fine-grained…
Jenkins Interview Questions and Answers – Part 4
An important step in making sure that the build process is taken seriously is to ________ . never leave the build in a broken state (Ans) send…
Git Interview Questions and Answer Part – 9
Which section of GitHub can you use to track tasks? (Not Include in Questions)* Issues (Ans) Pages Pages Pages Work Items Which operation in GitHub for Windows…
Git Interview Questions and Answer Part – 8
What are the fundamental concepts in Git’s object model? Commits, trees and leaves Commits, files and branches Commits, tags and branches Commits, snapshots, and references (Ans) What…
Docker Error – Requires: container-selinux >= 2:2.74
Error\ Solution Go to http://mirror.centos.org/centos/7/extras/x86_64/Packages/ Find the latest version for container-selinux i.e. container-selinux-2.21-1.el7.noarch.rpm Run the following command on your terminal: $ sudo yum install -y yum install…
Git Interview Questions and Answer Part – 10
Where can HEAD point? To a branch To a branch or nowhere To a branch or a commit (Ans) To a branch, a commit, a tree, or…
Git Interview Questions and Answer Part – 7
How to Compute object ID and optionally creates a blob from a file? git hash-object (Ans) git cat-file git update-ref git count-objects How to Update the object…
55 Steps For build a project in php Laravel Framework.
1.laravel new project (open command prompt on xampp/htdocs directory) 2.cd projectname 4.Customise users table(database/migration/create_users_table.php) 5.Make Model and Migration for Role Table 6.Customise roles table(database/migration/create_roles_table.php) 7.Make Relationship between…
Git Interview Questions and Answer Part – 1
Q1. What is GIT? Git is a distributed version control system and source code management (SCM) system with focus to handle small and large projects source code…
Chef Automate Essential Videos
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…
Difference between Chef infra Server vs Chef Zero vs Chef Solo
Chef Infra Server The preferred way to run Chef in a large server farm is with each server (“node” in chef parlance) talking to a centrally-managed Chef…
Chef Tutorials: Chef Test kitchen Command Line Options
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…
Chef Configuration Management Interview Questions and Answers Part – 4
1. What is Chef?Answer: It is a powerful automation platform that provides a way to transforms infrastructure into code. A chef is a tool for which you write…
Chef Configuration Management Interview Questions and Answers Part – 3
What is a resource? Read-only data identified by a type and a name. A description of some piece of a system and its desired state. – ANS…
Chef Terminology and Definition Guide
Chef Server: a central server that stores information and manages provisioning of the nodes Chef Node: an individual server that is managed by a Chef Server Chef…
Chef Tutorials: Chef Command Line Complete References
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…
Chef Infra Server and Administrator Guide and Reference
Chef Infra Server Install and Configuration Chef Infra Workstation Install and Configuration using Knife Chef Node Install and Configuration using Chef Client in Windows How to run…
Chef Tutorials: Understanding a Chef Cookbook Anatomy with Example
Following Reference Has been taken out from this url Attributes Resources Definition Files Libraries Providers Recipes Templates Cookbook Doc Files Cookbook Metadata File Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud…
Chef Tutorials: Chef Cookbook Developement Guide
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…
Explained Chef AKA Chef Infra Architecture
How Chef node and Chef Server Works? Chef Internal – How Chef maintain the state of each resources internally? Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing…
Chef Lab and Excercise – Test Your Chef Skills
Chef Lab and Excercise – Recipe – Part 1 Chef Lab and Excercise – Recipe – Part 2 Chef Lab and Excercise – Cookbooks – Part 3…
How to share code between Chef recipes using module?
The simplest thing would be is moving this do stuff to library. my_cookbook/libraries/myhelper.rb: Then you can use this module in recipes like that: Just make sure you…
How to call another chef recipe within same or other Cookbook?
How to call another chef recipe within same or other Cookbook? How to call another chef recipe within same Cookbook? You can use include_recipe with a file…
CSS Tutorial-Part 1
Cascading Style Sheet (CSS) CSS is a simple mechanism of describing common presentation semantics for every page is a website. It can control the layout of the…