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Day 4 of 100 Days of DevOps Permission drift is the silent killer of production automation. You deploy a script with chmod 755, and three months later it's 000 or 777. Your cron job fails at 2 AM, you

When establishing infrastructure on the AWS cloud, Identity and Access Management (IAM) is among the first and most critical services to configure. IAM facilitates the creation and management of user accounts, groups, roles, policies, and other acces...

Lab Information The Nautilus Development Team recently deployed a new web application hosted on an EC2 instance within a public VPC named xfusion-vpc. The application, running on an Nginx server, should be accessible from the internet on port 80. Des...

Welcome to Day 48. Today we will learn how to automating Infrastructure depoloyment with AWS CloudFormation. What is AWS CloudFormation? AWS CloudFormation is an Infrastructure as Code (IaC) service that allows you to model, provision, and manage you...
