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

netcat linux networking proxy-server stub-server mock-server tcp http debugging command-line testing api-testing system-administration

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...

tcpdump networking debugging http https packet-analysis network-troubleshooting wireshark system-administration linux macos command-line api-integration

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...

linux process-management job-control shell bash zsh background-processes signals nohup disown system-administration command-line unix

Command ex is the non-visual form of vi (specified by POSIX). Any command used in vi in command mode (command following :) can be kept in a file for scripting against the text.

vi vim ex text-editing scripting automation command-line batch-processing editor unix tips

Use case - You have some changes, and you do not want to commit to upstream/origin, but you want to share the changes to your friend/colleague, so that they can work on top of your changes, then you can follow...

git version-control diff stash workflow development-tools command-line productivity source-control tips

rclone is a fantastic software that lets you manage your data in the cloud. Currently, it supports a wide range of clouds.

rclone cloud-storage backup sync data-management google-drive dropbox aws-s3 command-line file-transfer

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gpg cryptography security encryption digital-signatures privacy key-management pgp command-line authentication

Below are some terminal emulators that I used across platforms.

terminal terminal-emulator alacritty kitty productivity command-line shell unix linux macos windows development-tools workflow comparison

You can capture a regex pattern using grouping and use that group to search further or replace it by appending or prepending text to it. In the above screenshot, you can see that “Regex” is referred to as \1 and...

regex pattern-matching text-processing backreference sed grep programming string-manipulation search-replace command-line vim python

I will go through some ways to customize Vim; this will be a long post. You can use below table of contents below to navigate between topics.

vim editor productivity text-editing shortcuts configuration plugins navigation search-replace buffers windows command-line unix development-tools

This article aims to find the optimal way to search for a word in a folder containing multiple inner folders and a large set of files.

grep ripgrep ag search-tools performance benchmarking text-processing command-line productivity regex file-search comparison

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.

zsh bash linux shell terminal shortcuts productivity command-line unix macos readline history-expansion navigation keyboard-shortcuts