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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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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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...

java linux oom-killer kernel memory-management system-administration debugging troubleshooting process-management monitoring dmesg

The purpose of the article is to explain default configurations (which can cause bottleneck) at Node.js, Apache, and OS level and how to change those configurations. Any configuration listed below in the diagram can affect client request processing time.

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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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