Python Example Code: Convert the string “123” into 123, without using the built-api int()
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Python Example Code: Find the pair of adjacent elements that has the largest product
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Python Example Code: Program to display the Fibonacci sequence up to n-th termPython Example Code:
What is the Fibonacci sequence? The Fibonacci sequence is a set of integers (the Fibonacci numbers) that starts with a zero, followed by a one, then by another…
Python Example Code: Program for printing k largest elements in an array
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Python Tutorials: List of functions of list Datatypes
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Linux Tutorials: Enable SSH Password authentication in linux servers
Step 1 – Enable PasswordAuthentication yes in sshd_config Step 2 – Restart sshd server Step 3 – Set user password Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE,…
Python Tutorials: Modules with example
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Python Tutorials: Namesapce in Python with example
What is Namespace in Python? A namespace is a collection of currently defined symbolic names along with information about the object that each name references. You can…
Chef Tutorials: knife command line reference
knife bootstrap knife client knife configure knife cookbook knife cookbook site knife download knife delete knife edit knife list knife node knife role knife show knife ssh…
Chef Tutorials: Configure Workstation with knife
Install Chef Workstation Configure Chef Workstation with Chef Infra Server using Knife Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about…
Chef Tutorials: chef-automate commands line reference
Usage:chef-automate [command] Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I…
Linux Tutorials: Types of Process in Linux
There are five types of Process in Linux 1. Parent process: The process created by the user on the terminal. All processes have a parent process, If it…
Chef Tutorials: Install and Configure Chef Automate and Infra Server
Step – 1 – Setup Chef Automate and Chef Infra Server If you want to start from scratch, create a Linux VM or cloud instance, login as…
Introduction of Chef Automate
Chef Automate is a centralized dashboard for following product of chef for enterprise. Chef Automate provides Chef servers that include premium features of Chef Automate: Chef Infra…
Chef Tutorials: How to looping and iterative in Chef Cookbook recipe?
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Chef Tutorials: Common Resource Functionality in chef Cookbook recipe
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Chef Tutorials: How to set Conditions in Chef Cookbooks recipe using Guard?
Guards A guard property can be used to evaluate the state of a node during the execution phase of a Chef Infra Client run. Based on the…
Chef Tutorials – notifies and subscribes explained with examples of Notifications
Chef notifies and subscribes explained with examples A notification is a property on a resource that listens to other resources in the resource collection and then…
Chef Tutorials: template Resource with example
What is cookbook template (.erb) A cookbook template is an Embedded Ruby (ERB) template that is used to dynamically generate static text files. Templates may contain Ruby…
Chef Tutorials: Create multiple resources in Chef recipe
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Chef Tutorials: Working with Ohai
Ohai is a tool for collecting system configuration data, which it then provides to Chef Infra Client to use in cookbooks. Chef Infra Client runs Ohai at…
Chef Tutorials: Working with Chef Attributes
Attributes represent information about your node. In addition to the information that can be automatically generated by ohai, you can set attributes in Chef recipes or in separate…
Chef Tutorials: How to set environment variable in Chef recipe
Method #1 Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I…
Chef Lab and Excercise – Recipe – Part 2
Submit a Assignment of www.Debug.school Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry…
Chef Lab and Excercise – Recipe – Part 1
Submit the assignment on www.Debug.School! Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry…
Chef Tutorials: Chef in-built and common resource types with example
Bash vs execute For a single script, use an execute. The bash resource is for including the script contents inline in the recipe code. Use the bash…
How to generate Letsencrypt certificates with Verifying domain using API
How to install acme.sh? How to Generate Certificates? REFERENCE Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge,…
Chef Tutorials: How to write and test a chef recipe?
Step 1 – Install & Verify Chef Workstation Step 2 – Write a following content in hello.rb Step 3 – Write a following content in hello.rb Run…
Chef Tutorials: List Of Chef Tools and their explainations
chef-apply chef-apply is an executable program that runs a single recipe from the command line. Is part of the Chef development kit. A great way to explore…
Cert Manager: Generate TLS Certificates Using Self Signed Issuers
Secure Ingress Resources With Cert Manager Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and…