Author Archives: DevopsAdmin

Centralized Configuration Management using Hashicorp Vault and Consul.

By | June 4, 2020

IntroductionThis document discusses configuration management and more specifically a centralized infrastructure which stores sensitive information like usernames, passwords, tokens, TLS certificates, urls endpoints, AWS credentials etc. Configuration management becomes difficult as the application grows and has scaling requirements. This document explores the standards and best practices followed in the industry for implementing stable and secure… Read More »

How to Enable Virtual MFA on AWS IAM User

By | May 28, 2020

Adding a second level of authentication is always a good practice and helps you to achieve additional level of security. In this Article we will see how we can activate MFA (Multi factor Authentication) on AWS IAM user. Login to your AWS Console using your IAM User Nevigate to Services on the Top ==> Select… Read More »

Things to be followed during the renewal process of Openshift SSL Certificate.

By | May 12, 2020

This Articles mainly applies for the OpenShift v3.6 Cluster. This Article is all about the prerequisite preperation which need to be done before running the SSL Renewal Plabook (redeploy-certificates.yaml). While redeploying the SSL Certificate on OCP Cluster, the playbook might fails because fo some Issue. Consider checking the below points before redeploying the SSL Certificates… Read More »

How to resolve the Openshift Project Stuck in Terminating State and Failed to Delete Issue.

By | May 9, 2020

One of the Issues you may face after redeploying the SSL certificate or after any of the major change on OpenShift v3.11 cluster is related to the termination of any project. If the project is not getting terminated and it gets stuck then this may happen because the api-resources (api metrics server) is not running… Read More »

How to resolve the Openshift WebConsole Login Issue with AD Credentials.

By | May 6, 2020

If you are facing LDAP authentication issue in existing openshift cluster anytime or probably after deploying Self Signed/SSL certificate or after performing any of the major activity on the cluster, then you might need to check this article.  If you face intermittent login issue using your LDAP credentials like for every 3 requests (Incase of… Read More »