technical blogs Archives - Page 5 of 22

OpenSearch Alert Integration with SNS

Why Opt for Integrating Alerts with OpenSearch?

Monitoring the OpenSearch visualization dashboard 24*7 becomes challenging when application or system logs fail to appear. Therefore, it’s essential to establish alerts that promptly notify us when such issues arise. The flexibility and scalability of OpenSearch make it a compelling choice for implementing alerting solutions in various domains, from IT operations and security to business intelligence and analytics.

Overview of OpenSearch cluster

OpenSearch, a powerful and versatile search and analytics engine, plays a crucial role in helping you gain valuable insights from your data. However, staying on top of potential issues and anomalies in your OpenSearch cluster requires a proactive approach.

GCP to Azure VPN Tunneling with Multiple Networks

In this comprehensive guide, we will delve into the step-by-step process of establishing a secure VPN connection between Google Cloud Platform (GCP) and Azure. By following these instructions, you will gain the ability to seamlessly migrate workloads from Azure to GCP or run multi-cloud workloads across both platforms, ensuring a flexible and efficient infrastructure for your applications.

Prerequisites:

Ensure you have an active Azure subscription and a project set up on GCP.
Make sure you have the required administrative roles on both platforms. You can create the new VPC Network (Virtual Network on Azure) and subnets in both GCP and Azure or you can use the existing one.

Azure Conditional Access: Fortifying Your Defense Strategy for Modern Security Challenges

In the era of cloud computing, safeguarding sensitive data and resources while maintaining a seamless user experience is paramount. Azure Conditional Access emerges as a powerful solution, enabling organizations to fortify their security posture through dynamic access controls. This blog post will delve into the essence of Azure Conditional Access, shedding light on its significance, core components, implementation steps, and real-world benefits.

Understanding Azure Conditional Access

Azure Conditional Access is a pivotal component of Azure Active Directory that empowers organizations to enforce access rules based on specified conditions. These conditions encompass factors such as user identity, device health, location, and sign-in risk. By scrutinizing these elements, Conditional Access policies determine the level of access a user is granted, thereby thwarting unauthorized access attempts.

Apache Cassandra Migration: 3.x to 4.x Ep: 2 DC and DR Setup

Well in my previous blog, we learned about Cassandra’s basics. If you have not read it yet, you should go through it. We have discussed the basics of Cassandra which will be useful in your daily operations on the database.

So now we will deep-dive into Cassandra’s DC/DR Setup.

DC/DR setup is necessary in a production environment where you don’t know when an issue can occur. You need to have an immediate backup when your cluster is down, and you should always have another cluster to respond.

Cassandra is a database and for a database, we want it to remain up in any and every situation to avoid downtime of our applications. Disaster Recovery setup of databases is equally necessary as you do for your applications. So let’s get started with this super easy way where it will take a few minutes and make your DR Setup ready.

How to get Java heap dump from Kubernetes container into a local machine?

Overview

Java is famous for its robust garbage collector algorithm, yet it is still possible to have memory leaks in JVM applications. To deal with this, it is important to obtain and analyze a heap dump to identify potential leaks in our application.

In this short tutorial, we will explore how to generate a Java heap dump from an application running as a Kubernetes pod.

We will first check the authenticity of the heap dump. Next, we will create a simple test application that we will later deploy as a pod on Kubernetes. Finally, we will demonstrate the process of getting a heap dump from our application.

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