Explained Chef AKA Chef Infra Architecture
How Chef node and Chef Server Works? Chef Internal – How Chef maintain the state of each resources internally?
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…
Chef Errors and Solutions Database
Chef Error: Could not find cookbook cookbooks_test in your cookbook path, sk Chef Error: Network Error: getaddrinfo: nodename nor servname provided, or Chef Error: Getting Error while…
Chef Lab and Excercise – roles – Part 4
Create a role and assign any two cookbooks to role and setup a 2 nodes assigned to role and conerse the role.
Chef Lab and Excercise – Cookbooks – Part 3
Write a cookbook using install version of latest tomcat and deploy a Jenkins.war file into tomcat web directory. Write a cookbook using you can install apache http…
EC2 – EBS Volume Demo:
In this tutorial we are going to Explore and setup extra volume to EC2 instance Step 1 – Login to AWS console, launch EC2 launch wizard page….
Terraform Output Variable Tutorials with Example
Terraform will store hundreds or even thousands of attribute values for all the defined resources in our infrastructure in state file. An outputed attributes can not only…
Terraform Tutorials: Variables – Data Type – Boolean
The last of the available variable types is boolean. They give the option to employ simple true or false values. For example, you might wish to have…
Terraform Tutorials: Variables – Data Type – Map
In this example, the instance_tags variable is defined with a type of map(string), and it is given a default value of { Name = “my-instance” }. The…
Terraform variable using TF_VAR environment variables example
How to set Terraform Variables in Windows? Terraform will read environment variables in the form of TF_VAR_name to find the value for a variable. For example, the…
Terraform Tutorials: Variables – Data Type – String
In this example, the instance_name variable is defined with a type of string, and it is given a default value of “my-instance”. The AWS provider is then…
Example Terraform Code for AWS provider, resources aws_key_pair
This command would generate a public and private key $ ssh-keygen -f terraform_ec2_key This resources would import aws key pair
Terraform state explained!!!
By – christophchamp Terraform keeps the remote state of the infrastructure It stores it in a file called terraform.tfstate There is also a backup of the previous state in terraform.tfstate.backup When you execute terraform…
How To Create a PDF using PHP
Step 1. Create a file index.php file. Copy this code. then, create a makepdf.php file. Step 2. Go to this link: https://github.com/mpdf/mpdf. Which includes mPDF is a…
What is SEO?
SEO means (search engine optimization) is a process whereby we optimize our page and our website at the top of Google page. Google is the most popular…
Introduction to PHP Data Object PDO in PHP
There are three main API options when considering connecting to a MySQL database server. PHP’s MySQL Extension. PHP’s mysqli Extension. PHP Data Object (PDO). PHP Data Object…
Update the taints on one or more nodes in Kubernetes
What is meaning of taint? a trace of a bad or undesirable substance or quality. What is tainted? spoiled; damaged in quality, taste, or value: Follwing are…
How to create an XML sitemap in website
Now that if you’ve got your Google Webmaster set up now going to create a sitemap right away. The easiest way to do that is to Search…
Google Terminology in SEO
Now let’s go for Google terminology. So there is such a thing that’s: Googlebot: Software crawling the web: It’s not a bot it’s basically just software and…