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 a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at…
Chef Tutorials: chef-automate commands line reference
Usage:chef-automate [command] 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…
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 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 Tutorials: Common Resource Functionality in chef Cookbook recipe
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 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 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 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 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…
Chef Lab and Excercise – Recipe – Part 2
Submit a Assignment of www.Debug.school 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…
Chef Lab and Excercise – Recipe – Part 1
Submit the assignment on www.Debug.School! 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…
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 a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share…
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 a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at…
List of Popular Open Tracing Tools in 2022
Opentracing Tools with Language Support OpenTracing Tools Architecture Features about Interoperability Opentracer Tools Metrices & Log Support Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and…
How to Develop an iOS App?
You’ve got a great idea for an app. Maybe it’s a game, maybe it’s a productivity tool, maybe it’s a way to connect with friends and family….
Splunk Tutorials: Splunk Commands Reference
Here’s an updated table with example queries that utilize the respective Splunk commands: Splunk Command Description Example Query (Apache Log) search Retrieves events that match specific search…
How to execute sonarqube scanner using jenkins pipeline?
SonarScanner: Command line SonarScanner for Gradle: SonarScanner for Maven: SonarScanner for .NET: The tool name “SonarQube Scanner 2.8” needs to match the “Name” field of a SonarQube…
Jenkins Pipeline: Code coveragenusing JaCoCo
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…
dotcover: dotcover print coverage results using cmd line
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…
dotCover: Powershell Script code coverage report with dotCover
Script generating a code coverage report with dotCover and later converting it with Report Generator so that Azure DevOps task Publish Code Coverage Results can use it….