Articles by Rahul Shivalkar
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What is Cert-Manager and how to setup Cert-Manager for SSL certificates in Kubernetes Cluster on AWS using Helm
Author: Rahul Shivalkar • Tags: cloud, linux, security • Comments: 0 • Published: Apr 28, 2021Cert-Manager is a controller used for certificate management. In this article, we will set up a Cert-Manager with Let's Encrypt issuer. We will secure our sample application using the TLS certificates and have HTTPS in our Hostname to access the application using Ingress.
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How to add and remove Cronjobs from Linux EC2 instances on AWS using shell scripts
Author: Rahul Shivalkar • Tags: cloud, linux, shell, ubuntu • Comments: 0 • Published: Apr 22, 2021Manual operations lead to human errors. Adding and removing Cronjobs frequently can be a very time-consuming task. In this article, we will create Shell scripts that automate the addition and deletion of Cronjobs from Ubuntu EC2 instances on AWS.
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How to create Cloudwatch alarms for a Lambda Function on AWS
Author: Rahul Shivalkar • Tags: cloud • Comments: 0 • Published: Apr 21, 2021There are various invocation metrics, performance metrics, and concurrency metrics available for Lambda functions in Cloudwatch to monitor.In this article, we will create an alarm for the "Invocations" metric which will send a notification to the SNS topic when it is triggered.
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How to manage AWS EC2 instances using aws-cli
Author: Rahul Shivalkar • Tags: cloud, linux • Comments: 0 • Published: Apr 19, 2021This guide will show you how to get started with managing your AWS virtual machine instances from the Linux command line using aws-cli.
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How to create an SNS topic on AWS using Terraform
Author: Rahul Shivalkar • Tags: cloud • Comments: 0 • Published: Apr 15, 2021In this article, we will create an SNS topic with an access policy that will allow our own account to perform all SNS actions on the topic.
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How to create Cloudwatch alarms for a DynamoDB Table on AWS
Author: Rahul Shivalkar • Tags: cloud • Comments: 0 • Published: Apr 13, 2021To monitor DynamoDB tables, metric data is sent to CloudWatch automatically. In this article, we will create an alarm for a DynamoDB table to monitor "ConsumedWriteCapacityUnits" and send a notification to the SNS topic.
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How to create a user on Linux EC2 instance on AWS and add a public key to it using a shell script
Author: Rahul Shivalkar • Tags: cloud, linux • Comments: 0 • Published: Apr 09, 2021Creating a user and adding a public key to it can be very tedious. In this article, we will see how this process can be automated using a shell script which can help us avoid human errors that can arise if we do the task manually.
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How to create Cloudwatch alarms for an SQS Queue on AWS
Author: Rahul Shivalkar • Tags: cloud • Comments: 0 • Published: Apr 08, 2021CloudWatch metrics for SQS queues are collected and pushed to CloudWatch at one-minute intervals automatically. These metrics are provided at no charge in CloudWatch for both standard and FIFO queues. In this article, we will create an alarm for the "NumberOfMessagesSent" metric.
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How to create an SQS queue on AWS using Terraform
Author: Rahul Shivalkar • Tags: cloud • Comments: 0 • Published: Apr 06, 2021In this article, we will create an SQS queue using Terraform on AWS. We will also add a policy that will allow all to send messages to the queue.
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How to copy items from one DynamoDB to another DynamoDB table using Python on AWS
Author: Rahul Shivalkar • Tags: cloud, linux, programming • Comments: 0 • Published: Mar 25, 2021This tutorial shows you how to write a Python script to copy data from one DynamoDB to another DynamoDB table on AWS.
