Articles by Rahul Shivalkar
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How to store credentials on AWS using Parameter Store
Author: Rahul Shivalkar • Tags: cloud • Comments: 0In this article, we will create a parameter and store configuration data in it of type SecureString. We will also modify the parameter and see how it maintains multiple versions.
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How to create and store secrets using Secret Manager in AWS
Author: Rahul Shivalkar • Tags: cloud • Comments: 0Application secrets or credentials can be stored using the AWS Secret Manager securely. Secrets can be rotated, managed, and retrieved throughout their lifecycle using AWS Secret Manager.
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How to take and restore a snapshot on AWS RDS MySQL Instance
Author: Rahul Shivalkar • Tags: cloud • Comments: 0In this article, we will see the steps to create a snapshot of the existing RDS MySql Instance. Then we will see the steps to restore the snapshot which creates a new RDS Instance. At last, we will clean up the instances and snapshots.
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How to create and use a CodeCommit GIT Repository on AWS
Author: Rahul Shivalkar • Tags: cloud, programming • Comments: 0CodeCommit hosts Git-based repositories and is a fully managed service by AWS. Teams can use it to collaborate on code in a secure and highly scalable way. It helps us to eliminate the need of having our own self-hosted Source Code Management (SCM) system and manage it on our own.
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How to setup Elasticsearch cluster with 3 Nodes on Ubuntu
Author: Rahul Shivalkar • Tags: • Comments: 0
Elasticsearch is a no-sql database. It is the distributed search and analytics engine, real-time search and analytics for all types of data. Elasticsearch can efficiently store any type of data be it structured or unstructured text, numerical data and index it in a way that supports fast searches.
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How to create a Cloudwatch Event Rule in AWS
Author: Rahul Shivalkar • Tags: cloud • Comments: 0A near-real-time stream of system events that describe changes in AWS resources is delivered by CloudWatch Events. We can create a rule that matches events and route them to one or more target functions.
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Use Node Affinity in Kubernetes
Author: Rahul Shivalkar • Tags: cloud, linux • Comments: 0Node affinity in Kubernetes is conceptually similar to nodeSelector -- it allows us to limit which nodes our pod is eligible to be scheduled on, based on labels on the node.
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Configmaps in Kubernetes
Author: Rahul Shivalkar • Tags: cloud • Comments: 0In this article, we will see two examples to access data from configmaps in Kubernetes. In one example we will use config maps as environment variables in the pod command and in the other we will populate a volume with data stored in a ConfigMap
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Create a Daemonset in Kubernetes
Author: Rahul Shivalkar • Tags: cloud • Comments: 0A DaemonSet ensures that all nodes run a copy of a Pod. Normally, the node that a Pod runs on is selected by the scheduler but DaemonSet pods are created and scheduled by the DaemonSet controller.
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Network Policy in Kubernetes
Author: Rahul Shivalkar • Tags: cloud • Comments: 0By default, pods accept traffic from any source. A network policy helps to specify how a group of pods can communicate with each other and other network endpoints.