Rahulkumar Choudhary (@rahulsblog)

Terminal Multiplexing using Tmux - Sessions, Windows, and Panes

If you often work in the terminal and keep opening multiple tabs just to manage different tasks, tmux can make your life much easier.

3 min readrahulsblog.hashnode.dev

Jan 25

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

Step-by-step guide to configuring RBAC, service connections, and federated credentials for secret management in Azure DevOps.

7 min readrahulsblog.hashnode.dev

Sep 14, 2025

Understanding Parent Shell and $$ in Linux

Learn what a parent shell is in Linux, how $$ and $PPID work, and why understanding shell hierarchy matters for scripts and debugging.

3 min readrahulsblog.hashnode.dev

Sep 7, 2025

Check the ulimit by running the docker file

This setup allows you to expose system-level resource limits (rlimit) dynamically via Nginx by leveraging a custom script and FastCGI.

3 min readrahulsblog.hashnode.dev

Dec 30, 2024

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

aws-nuke is a tool that removes all resources from an AWS account.

4 min readrahulsblog.hashnode.dev

Jan 16, 2023

Rahulkumar Choudhary

About

Available for

Rahulkumar Choudhary's blogs

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!

Rahulkumar Choudhary

About

Available for

Rahulkumar Choudhary's blogs

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!

Rahulkumar Choudhary

About

Available for

Rahulkumar Choudhary's blogs

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

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!