AWS can be accessed using IAM credentials. These could be long-term credentials like IAM Users or short-term credentials like assumed roles or federation tokens. Managing these credentials starts with sharing them, where-in a secure communication route and process has to be followed. Moreover, auditing these users centrally (e.g., across AWS…

AWS CloudFormation provides parameters to get input from users. You can further validate these parameters by restricting the user input to, say, a list of values, or a regex pattern or a range of numbers. The above template uses NoEcho which masks your user input…

AWS recommends un-mounting the elastic file system before deleting it. A thing to note is that this cannot be done using the console, or the CLI, or through any of the SDKs. To un-mount an EFS file system, one has to connect to the EC2 instance running Linux and use…

When you launch an instance in Amazon EC2, you have the option of passing user data to the instance that can be used to perform common automated configuration tasks and even run scripts after the instance starts. The command below when passed as user data will run the commands to…

Launch an EC2 instance with Amazon Linux 2 AMI. Make sure your security group has an inbound rule to enable SSH. SSH into the instance. Install PHP: sudo amazon-linux-extras install -y php7.2 Install Apache: sudo yum install -y httpd Start the apache server: sudo systemctl start httpd Now enter the…

Slack is a single place for messaging, tools and files — helping everyone save time and collaborate together. Slack Connect furthers the idea of shared channels that let companies collaborate, allowing up to 20 organizations to work seamlessly together with apps, chat, and more. Chat bots can interact with users…

Also called ‘Deployment Strategy’, ‘Deployment Pattern’, or ‘Application Release Models’, Deployment models are essentially ways to make a change or upgrade in an application. All the models aim to ensure high availability, reduce downtime and risk during or after the upgrade. All this, with a minimal impact on the users. Blue Green Deployment Model: …

wget command is a commonly used CLI to download files from the internet. curl is another command used to transfer data to or from a server. Say, you’ve a LAMP setup in your Linux machine and want to download a php file form Github. Below is a simple php file…

Below are some of the considerations to choose the right compute option: Processing power. Customized CPU for certain use cases like GPU/IO optimized. Capacity. Scaling. Cost. The major compute options AWS offers: 1. EC2: EC2 provides virtualized servers provisioned for you and you can run your workloads on it. …