Rahulkumar Choudhary

@rahulsblog

Freelancer, DevOps Engineer, Developer, Love Kubernetes and Terraform

TX, United StatesJoined November 2022

About

Cloud & DevOps Engineer crafting peak-performance solutions. Tech enthusiast embracing innovation. Blogging on DevOps & Cloud, simplifying complexities.

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If you’re looking for Cloud and DevOps expertise feel free to contact me.

Rahulkumar Choudhary's blogs

Rahulkumar's Blograhulsblog.hashnode.dev5 posts

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Recently published

RCRahulkumar Choudharyrahulsblog.hashnode.devJan 25 · 3 min read

Terminal Multiplexing using Tmux - Sessions, Windows, and Panes

Tmux is a terminal multiplexer, which means it lets you run and manage multiple terminal environments inside a single terminal window. tmux is structured like this: Session → Windows → Panes Session: your full workspace Windows: like tabs inside a ...

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RCRahulkumar Choudharyrahulsblog.hashnode.devSep 14, 2025 · 7 min read

Securely Access Azure Key Vault Secrets in Azure DevOps CI/CD Pipelines Using Managed Identity and Federated Credentials

When I started working with Azure DevOps pipelines, one of the biggest challenges I faced was how to securely manage secrets. Hardcoding them inside a pipeline was never an option, and using plain text variables just didn’t feel right from a security...

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RCRahulkumar Choudharyrahulsblog.hashnode.devSep 7, 2025 · 3 min read

Understanding Parent Shell and $$ in Linux

If you’ve spent time writing shell scripts or debugging processes in Linux, you’ve probably come across $$ or $PPID. At first glance, these variables look cryptic, but they actually reveal a lot about how shells and processes work in Unix like system...

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RCRahulkumar Choudharyrahulsblog.hashnode.devDec 30, 2024 · 3 min read

Check the ulimit by running the docker file

What’s the goal? The goal is to query the current system resource limit (e.g., RLIMIT_NOFILE, which controls the maximum number of open file descriptors) and expose it through an Nginx endpoint as part of the response. How are we going to achieve thi...

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RCRahulkumar Choudharyrahulsblog.hashnode.devJan 16, 2023 · 4 min read

aws-nuke: nuke all AWS resources in an AWS account with a single click!

In this article, we will learn everything there is about aws-nuke. Understanding aws-nuke Let us consider a simple scenario for our easy understanding of aws-nuke, Assume that you have an AWS account where multiple EC2 instances, load balancers, targ...

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Rahulkumar Choudhary

About

Available for

Rahulkumar Choudhary's blogs

Recently published

Terminal Multiplexing using Tmux - Sessions, Windows, and Panes

Securely Access Azure Key Vault Secrets in Azure DevOps CI/CD Pipelines Using Managed Identity and Federated Credentials

Understanding Parent Shell and $$ in Linux

Check the ulimit by running the docker file

aws-nuke: nuke all AWS resources in an AWS account with a single click!

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Rahulkumar Choudhary

About

Available for

Rahulkumar Choudhary's blogs

Recently published

Terminal Multiplexing using Tmux - Sessions, Windows, and Panes

Securely Access Azure Key Vault Secrets in Azure DevOps CI/CD Pipelines Using Managed Identity and Federated Credentials

Understanding Parent Shell and $$ in Linux

Check the ulimit by running the docker file

aws-nuke: nuke all AWS resources in an AWS account with a single click!