Blog Posts

		Open file handles in Linux & ulimit Sunday 13, October 2024 Investingating the "too many open files" problem in Linux.
		Enabling SSL and Client auth on Tomcat Wednesday 10, July 2024 This blog post discusses how to enable SSL and client authentication in Tomcat 9.
		Collect CPU and memory statistics for multiple process easily Sunday 07, July 2024 This blog post discusses collecting process level CPU and memory statistics.
		Creating a two node Elastic Search cluster on Windows Thursday 04, April 2024 In this blog post we will be setting up a 2 node Elastic Search cluster on a Windows 10 or 11 machine using HyperV. We will be running two Ubuntu servers, installing Elastic Search on both and creating a cluster.
		Installing and running ElasticSearch 8.x on Linux (RHEL or Amazon Linux) Saturday 07, October 2023 This blog post discusses installing and configuring Elastic Search 8.x and Kibana on RedHat Linux or Amazon Linux.
		Writing a Linux service in DotNetCore Tuesday 12, September 2023 This blogpost discusses how to create a Linux service using DotNet Core (6) and how to implement a clean shutdown routine.
		Mirror your Git repository Tuesday 15, August 2023 This post discusses how a copy of a Git repository can be created and maintained.
		Spring boot with mutual TLS authentication Thursday 25, May 2023 This post discusses how to enable SSL and client authentication in a Spring boot application.
		Protecting APIs with JWT using KeyCloak Wednesday 22, March 2023 Protecting your services using some sort of authentication and/or authorization is now an old concept. This post discusses on how we can use KeyCloak to act as an identity provider (IDP) and how services can work with KeyCloak to ensure only authorized users are able to access their APIs.
		Making QAAC work on Windows Sunday 25, December 2022 QAAC is a command line AAC/ALAC encoder frontend based on Apple encoder. QAAC can convert WAV files into Apple (iTunes, iPhones and others) compatible formats both lossy and lossless.
		Budget Earphone Shootout Sunday 20, November 2022 Your earphone impacts your listening experience more than any other component. This makes having a good pair extremely important if you're serious about your music. I'll be reviewing four budget earphones in this blog-post.
		Calling multiple REST APIs in Java Monday 08, August 2022 Yesterday a team-member asked me what I think is the best way to call two REST APIs in parallel
		Renewing certificates in a Kubernetes cluster Monday 06, June 2022 If your Kubernetes cluster has suddenly stopped working, it might be because of expired certificates.
		Finding inspiration Sunday 15, May 2022 Well, page 21 of Better Photo Basics by Jim Miotke has the answer.
		VeraCode Project Status Saturday 23, April 2022 A utility which creates a high level html report of all VeraCode projects
		AWS Lambda Performance Sunday 10, April 2022 So you've decided to use AWS lambdas for your application. Lambdas have great integration with...
		Using Apache Camel with Spring to insert data into Elastic Search Saturday 09, April 2022 Apache Camel is a neat framework if your application requires customizable workflows, components and a wide array of input and output adapters. This post demonstrates how to use Camel with Spring and XML to define routes.
		Using Log4J2 with SLF4J Friday 25, February 2022 A quick code sample demonstrating use of Log4J2, SLF4J and configuring Log4J using a properties file.
		Create a container image to allow SSH access Saturday 12, February 2022 This blog post explains how to create a container image having an SSH server and how to SSH into it once its created.
		Code Coverage for NUnit Saturday 31, July 2021 This blog post discusses how to generate unit test code coverage using NUnit, Open Cover and Report Generator.
		S3 Select, a nifty thing Sunday 18, April 2021 This blog post discusses the AWS S3 Select feature. It discusses why you might want to use it and provides Java sample to code to work with S3 select feature.
		Reviews of LinkedIn Learning Videos Tuesday 13, April 2021 Not all tutorials are created equal. My reviews of LinkedIn Learning videos.
		Using AWS CloudHSM Sunday 07, February 2021 This post discusses how to configure AWS CloudHSM with Nginx. It also discusses why you might want to use CloudHSM and alternatives.
		AWS Secrets Manager Monday 25, January 2021 The blog post explores the use of AWS Secrets Manager - what problem it solves, how we store secrets using the AWS Management Console, configurations required for reading secrets and application code to read secrets.
		Using JWT authentication in ASP.NET Core Web API Sunday 20, December 2020 This blog posts discusses JSON Web Tokens and how they can be used for securing your Asp.NET Core Web API application.
		Custom authentication schemes in ASP.NET Core Sunday 13, December 2020 This blog posts demonstrates how a custom authentication scheme can be used in ASP.Net Core Web API.
		Creating encrypted folders in Windows Tuesday 01, December 2020 A lot of times we need to hold data files at a particular location for further processing. Data in motion is usually protected quite well these days (using HTTPS) but a lot us aren't too careful about data-at-rest. This blog post discusses the NTFS encrypted file system functionality and a couple of related APIs for storing files securely on a Windows box.
		Configuration support in DotNetCore Sunday 22, November 2020 We'll look at the support for dealing with configurations available in .NET Core applications in this blog post. We'll use a console application to work with raw classes to understand what capabilities are available to us.
		Publishing DotNET Core Apps Friday 20, November 2020 As we all know, .NET Core follows the same strategy for compiling application into an intermediate form so that it can run on multiple platforms like Windows, Linux and MacOS without recompiling the source code as Java.
		NUnit with .NET Core in VS-Code Friday 13, November 2020 Typically we don't really pay much attention to objects when writing our applications.
		Multi-threaded producer - consumer in Java Thursday 02, July 2020 The producer - consumer pattern is quite famous, here is a typical implementation of this pattern.
		Behavior of various JDBC DataSources Sunday 31, May 2020 Dealing with connection pools in Java is a bit different. You need to use the correct DataSource implementation and there are quite a few! Each of these DataSource implementations behave differently.
		Build and run Redis on Windows 10 Saturday 09, May 2020 A few simple steps and have Redis running on Windows 10
		A case for Redis Sunday 03, May 2020 As an architect, I have a very interesting job of having to understanding challenges in existing systems in multiple dimensions and still add new functionality.
		VSCode + Java + JUnit support Tuesday 28, January 2020 Quickly configure a VSCode workspace to create Java programs with JUnit support
		View basic database complexity Sunday 19, January 2020 A small script to print basic database object stats
		VMware Workstation and Device Credential Guard are not compatible Sunday 08, December 2019 Various Visual Studio versions and the C++ redistributables
		At last, a new font for programmers Friday 20, September 2019 A lot of us don't care. A lot of us care maybe a bit too much but coming across a nice new monospaced font does make writing code more fun.
		OPENXML and Namespaces Friday 30, August 2019 XML namespaces always confound me, not just when consuming then via SQL but also from C#.
		Sql developer PowerShell cmdlets Saturday 08, June 2019 Generate tables and table variable definitions from the output of queries and stored procedures
		Setting DPI and desktop wallpaper using the Registry Monday 28, January 2019 The downside of using non-activated Windows VMs is that you can't do much with the appearance like set custom scaling for making font appear larger or even set a decent wallpaper.
		Copy Git settings from one PC to another Tuesday 01, January 2019 Copy Git settings when moving to a new PC or re-installing Windows
		Realize how you've changed Sunday 23, December 2018 We all are learning lots of things at a tremendous pace but we don't realize that this is happening.
		Storage View Monday 22, October 2018 An open source Azure Storage tool to learn all about basic Azure Storage capabilities
		List resource groups in a particular subscription Sunday 30, September 2018 List resource groups in a particular subscription
		Aliasing for quickness Sunday 01, July 2018 Working in Linux requires one to work with the terminal a lot. IMHO creating shorthand for frequently used commands really helps a lot...
		Demystifying callbacks in .NET Thursday 10, May 2018 Now, what if you don't want the answer immediately? or what if the calculation takes a really long time and you don't want to sit around waiting for the result?
		VC++ Runtimes Tuesday 03, April 2018 Various Visual Studio versions and the C++ redistributables
		Hosting an EXE in the CLR Sunday 11, February 2018 It's not everyday you need to host the CLR but when do there is very little information available.
		Enabling CORS on API Gateway resources Monday 15, January 2018 Enable CORS on AWS API Gateway quickly from a DotNet core utility
		Using EF Core with MySQL in DotNet Core 1.0 Monday 20, November 2017 This post targets DotNet Core 1.0 interacting with MySQL database using EF Core.
		Correct way to think of objects, their identity and equality. Sunday 06, August 2017 Typically we don't really pay much attention to objects when writing our applications.
		Localization in DotNet via a simple example Saturday 29, July 2017 Recap localization via a simple console application
		Windows 10 on Sony VAIO Tuesday 06, June 2017 Does Windows 10 work perfectly on a VAIO T-Series?
		Preparing project for Git Saturday 13, May 2017 Often I need to either setup a project for Git or use an existing Git project locally. Here are the steps to do both.
		Value Subtracted Services Friday 05, May 2017 If it wasn't enough to have to go through middlemen to get a driver's license, a passport and what not, I now see the rise of a new class of middlemen - the Digital Middlemen.
		I see dead people Friday 21, April 2017 We (my family) usually take our cat out in the mornings and evenings. You heard that right...
		My Experience with TDD Monday 20, March 2017 Till last week I believed TDD (Test Driven Development) to be at best - a fashionable way to write code and at worst
		Programming Wallpapers Sunday 19, February 2017 Here's a fresh set desktop wallpapers based on programming languages like JS, C++, Python, C#
		Importing SSH keys for Git in Windows 10 Wednesday 15, February 2017 If you want to use SSH keys generated earlier on a new system, just following these steps...
		Technology may not help but you definitely can Tuesday 03, January 2017 We are expecting technology to solve all problems and nothing is further from the truth...
		Windows 2016 Containers Part-2 Friday 30, December 2016 A quick introduction to Windows 2016 containers using Docker
		Windows 2016 Containers Part-1 Thursday 29, December 2016 A quick introduction to Windows 2016 containers using Docker
		SQL Server Hierarchical data Tuesday 11, October 2016 It's not everyday I need to store hierarchical data in SQL tables but when I do, the usual self-join on a table works out fine.
		A simple solution to the Container Provider problem Sunday 02, October 2016 While working with Windows containers, I've often faced an error when trying to install the Container Provider package.
		Learning to develop software has become a lot harder Saturday 01, October 2016 Learning to develop software has become a lot harder. You may argue that programming is still the same; we still have the loops, the conditional statements, the same patterns and maybe even similar data access technologies, so why shouldn't writing a sort-of-useful data enabled application be the same as it was 10 year back?
		OData V4 - Primer Friday 05, February 2016 A quick overview of OData v4 - CRUD and filters.
		How to fix IntelliJ cannot resolve symbol Thursday 08, October 2015 Ever since copying a Gradle project from one computer to another I have been getting 'cannot resolve symbol String' and similar messages in IntelliJ.
		Writing a simple PowerShell V 1.0 cmdlet with help content Sunday 09, August 2015 Quick tutorial to get you started with writing PowerShell cmdlets including help for the cmdlet
		Where is my database anyway? Tuesday 10, March 2015 The next question is where are the database files stored? The string 'DataDirectory' is an AppDomain property which is read and substituted with the value set for it when connection to the database is being made...
		Treat your collections well Sunday 08, March 2015 Treat your collections well and you won't have to change them.
		Book review - The art of thinking clearly Saturday 28, February 2015 What is refreshing is its honesty about what we can do about these behaviors - not a thing which is true. How many days have you truly turned a new leaf?
		Anti-forgery validator for HTTP Headers Sunday 22, February 2015 ASP.NET MVC provides a simple and effective means to stop cross-site-request-forgery attack. However this scheme is available only for form data submissions. The purpose of this article is to create an authorization attribute which protects against cross-site request forgery for JSON like requests.
		Creating Windows 8.1 system image on your tablet Friday 20, February 2015 Create a Windows system images easily for your tablet
		Immortal Stories - Wisdom to Nourish Your Mind and Soul Tuesday 17, February 2015 I picked up this book at Crossword stores, Pune. I was looking for a collection of short stories based on Hindu mythology but was unable to find something that I was interested in.
		ASP.NET MVC5 - Validating user input Monday 16, February 2015 ASP.NET MVC5 has great support for input validation. There are two main approaches, lets see how these work in this article.
		ASP.NET MVC - Using checkboxes Sunday 15, February 2015 One can't stop loving model binding in ASP.NET MVC. It simplifies so many things. There are some tricky areas though one of which is using checkboxes. In this post, I'll try to explain how I have used them.
		Copy over EF migration entries Saturday 14, February 2015 As you keep making changes to the model, using the database-migration feature the database is kept up-to-date with changes in the model. Here's how you can copy Entity Framework migrations from dev environment to your production environment.
		Find a stored procedure containing a text Tuesday 10, February 2015 Here is an easy way to find stored procedures containing a particular string
		Setting up IIS URL rewrite Saturday 07, February 2015 How to set URL rewriting in IIS
		Xml and TSQL useful code snippets Sunday 01, February 2015 T-SQL, XQuery, XML stuff which I never remember
		Solr datetime in C# Sunday 01, February 2015 Return Solr compatible date-time from C#
		Beyond reproach Sunday 01, February 2015 Veritas merged with Symantec mid-2005. I joined the Veritas group in Dec 2005. Sadly did not get to experience the infamous Veritas culture...
		TSQL - rows to comma separated string Sunday 01, February 2015 Convert row output to column output in TSQL
		Debugging an Android phone Thursday 19, June 2014 To debug the android device changes will have to be made both on the Android device side as well as the Windows PC side.
		Internet advertising Friday 17, January 2014 When I do come across an interesting bit of information, it's accompanied by a lot distracting stuff. To top it all companies like Amazon and Google seem to track my shopping list and keep peppering items from my wish list on almost all the websites.
		Moments in my career Tuesday 16, July 2013 Most of us spend good part of our life at office interacting with various folks. Recently I've been trying to recollect moments or interactions which have made an impression on me.
		Entity framework - not quite there? Sunday 05, May 2013 ORM (object relation mapping) libraries have been around since a long time. Ever since my first job, converting relational data to classes and back has been part of everyday life.
		Cycle of bad quality Sunday 05, May 2013 One of the truths which must be accepted is that estimation is just that, it is an approximation. Yet teams are held at gun point to deliver on these 'approximate' timelines.
		Goodbye 2012, Hello 2013 Wednesday 02, January 2013 This is the first time I am outside of India for New Year. Its really weird to see my friends and family back home sending new year greetings when its still 2012 here in the US.
		Yii - a PHP MVC framework Saturday 26, May 2012 I decided to try one more framework before giving up – this is when I chanced upon a relatively new framework on the block called Yii.
		Copy files to non-existent paths Saturday 26, May 2012 Here's a way to copy files around and create the destination folder structure at the same time.

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