Minikube Tutorials: Minikube installation in Windows
What you’ll need To install the latest minikube stable release on x86-64 Windows using .exe download: Step 1- Download and run the installer for the latest release. Or if using PowerShell, use this command: Step…
Chef Tutorials: Chef Infra Server & Chef Automate Backup and Restore
Chef Infra Server Backup and Restore Chef Automate Backup and Restore Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus….
Chef Tutorials: Load balancer for Chef Automate and Chef Infra
Reference Load Balancing Progress Chef Automate and Infra Server Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share…
How to check VT-X/AMD-v enabled or not in your Laptop?
Method 1 – Using task Manager If you have Windows 10 or Windows 8 operating system, the easiest way to check is by opening up Task Manager->Performance Tab….
List of Platform Ops tools
Platform ops is an approach to scaling DevOps that involves dedicating a team to the operation of a shared self-service platform. Technical professionals should use a product…
List of GitOps Tools
What is GitOps? GitOps uses Git repositories as a single source of truth to deliver infrastructure as code. Submitted code checks the CI process, while the CD…
What is Platform Ops?
What Is a Platform? A platform encompasses a span of technologies involving different engineering stakeholders, for example, voice analytics software that has a front-end dev team, as…
Chef Tutorials: Test Kitchen Workflow and Examples
kitchen.yml Used to configure virtual environments for Test Kitchen Gemfile Bundler uses this file to configure the gem repository and the list of gems to down‐load. Bundler…
How to Install Ruby on Linux
How to Install Ruby on CentOS 7 $ sudo yum install ruby$ ruby –version How to Install Ruby on Ubuntu $ sudo apt-get install ruby-full$ ruby –version…
Chef Tutorials: What is Test Kitchen?
Use Test Kitchen to automatically test cookbooks across any combination of platforms and test suites: Bento Bento is a Chef Software project that produces base testing VirtualBox,…
Chef Tutorials: Test Kitchen – Example of kitchen.yml on AWS Ec2
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: Test Kitchen – Example of kitchen.yml using vagrant
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: Test Kitchen – Example of kitchen.yml using vagrant on ubuntu
Example of .kitchen.yml for driver_plugin vagrant with ubuntu for Chef Test Kitchen Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at…
Chef Tutorials: Test Kitchen – Example of kitchen.yml with VAGRANT and VirtualBox
How to test Chef recipes/cookbooks on your workstation with VAGRANT and VirtualBox using Test Kitchen Install Test Kitchen, VAGRANT and VirtualBox: Chef Test Kitchen: Test Kitchen is…
Chef Tutorials: Test Kitchen – Example of kitchen.yml with vagrant on Windows
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: Test Kitchen – Example of .kitchen.yml with aws ec2 on Windows
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…
Kubernetes Security Assesment
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…
Waterfall -> Agile -> Cloud Native -> Next??
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…
Top 10 Architecture Characteristics
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: What is Chef Solo with example programs
What is Chef Solo? chef-solo is a command that executes Chef Infra Client in a way that does not require the Chef Infra Server to converge cookbooks….
Chef Tutorials: Chef roles Tutorials and Example
What is Role? A role is a way to define certain patterns and processes that exist across nodes in an organization as belonging to a single job…
Chef Tutorials: Uninstalling Chef Software, chef-automate and chef-server
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…
Python Example Code: Find all the pairs of numbers which sum upto `k`
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…
Python Example Code: Convert the string “123” into 123, without using the built-api int()
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…
Python Example Code: Find the pair of adjacent elements that has the largest product
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…
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 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…
Python Tutorials: List of functions of list Datatypes
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…
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 a DevOps/SRE/DevSecOps/Cloud Expert passionate about…
Python Tutorials: Modules with example
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…