In this article, I will go through how to spin up a stub/mock server and proxy server using netcat.

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Use case: Usually, when integrating with external service endpoints in your backend application, you will be using libraries (require('https') for Nodejs, import requests or import aiohttp for Python, HttpUrlConnection for Java, etc.) to make HTTP calls. It might be difficult...

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Use case: Let’s say you logged into a remote machine, you executed a command, it is taking time, and you want to logout but you want the process to keep running in the background, you can follow the below steps...

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In this post, I will go through how to setup OpenSSH, secure your keys, set up SSH Tunnel, socks proxy, use jump hosts and batch mode is ssh.

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Below are steps to configure Termux in android. Download Termux from F-Droid as Google App Store version is outdated due to reasons mentioned here After installation, make sure every package is up to date. pkg update and pkg upgrade

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In this post, I will be discussing how to set up emacs.

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In the below post, I will walkthrough on how to customize zsh. Ensure you installed zsh; the configuration file will be in your home directory ~/.zshrc. I recommend using oh-my-zsh as it provides all the necessary settings by default. If...

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I have a System76 Galago Pro, Ubuntu laptop, and its fan was making a huge noise, and it was always on. When in i3 window manager, I saw the temperature of the laptop is crossing 96 degrees Celsius, I thought....

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Having a good window manager will help in navigating windows quickly. You can accomplish this by having an i3 window manager. Below is how you can configure the i3 window manager in Ubuntu.

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Below are some terminal emulators that I used across platforms.

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With Tmux, you can manage multiple sessions/terms and navigate quickly. There are advanced terminals like iTerm2 from which you can accomplish most of the tasks that can be done by tmux, but since iTerm2 is available only to macOS, you...

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The purpose of this article is to explain how a kernel can invoke (out-of-memory) oom killer to kill a process abruptly which might be a java or node process of your application and what steps we can take to resolve...

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In your java application, if you had seen the below error in logs. SOURCE:java.lang.OutOfMemoryError: unable to create new native thread The above error means that when java process wants to create a new thread and requests for a new process...

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Tai Lung: gasps The Wuxi finger hold! Po: Oh, you know this hold. Tai Lung: You’re bluffing. You’re bluffing! Shifu didn’t teach you that! Po: Nope. I figured it out. Skidoosh. — [Kung Fu Panda]

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Below are some essential shortcuts built-in in Bash (and in Zsh), which enables a user to quickly move around the current command, edit it, and utilize previous commands.

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