DevOps Archives - LaymanClass

January 27, 2022January 27, 2022DevOps, Linux

GNUPG Cheat Sheet

Gnupg aka gpg cheat sheet for easy and quick use along with git integration

January 17, 2022January 17, 2022DevOps, Installations Guides, Linux

How to upgrade Ubuntu to specific version

Upgrade your ubunu to specific version in few easy steps

May 31, 2020May 31, 2020DevOps

Microservice Architecture

Quick overview on pros and cons of Microservice Architecture

March 19, 2020March 19, 2020DevOps

Mistral Docker build failing with Backend Unavailable error

Issue Recently I faced challenges when building mistral docker image. Below is the stack trace. Solution After doing some research, I am […]

March 19, 2020March 19, 2020DevOps

How to Add Custom Actions in Mistral

Introduction Mistral is a workflow service and part of OpenStack, a free open standard cloud computing platform. Mistral provides APIs and tools […]

March 5, 2020March 6, 2020DevOps

AWS Simple Failover Setup using Elastic IP

Introduction Failover is a common technique used by high availability services. In this setup, 2 systems are set, primary and secondary. When […]

February 4, 2020February 4, 2020DevOps

How to configure Tomcat with SSL Support

Introduction Apache Tomcat is the opensource implementation of web server specifically designed to run Java Servlets and JSP pages. In this article, […]

February 4, 2020February 4, 2020DevOps

How to generate CSR and private key for SSL certificates

Introduction To get SSL certificate from certificate authority, CSR (Certificate Signing Request) and private key are required. In this small tutorial, we […]