Blog Posts | Codearmo

Creating a Proxy for Web Traffic

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Guide on creating an outbound proxy server for web traffic between 2 or more servers with examples in Python and bash

Published on March 16, 2026

Connecting Two Ubuntu Servers with Private Networking & Public Internet Access

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Connect two Ubuntu servers to privately communicate with eachother in the same datacenter , allowing both to have public internet communication and also private between the instances. This can be a very useful way to save costs on data transfer which can be expensive over the public internet.

Published on November 05, 2025

Git Branching - Cheatsheet for Command Line

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My personal Cheatsheet of Git Branching and the errors I usually run in to! A full list of commands that I will update regularly about Git branching and merging.

Published on April 18, 2025

GitHub Desktop 🖥️ for Windows: Installation & Getting Started

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The ultimate beginner guide to download & install GitHub Desktop GUI for Windows—use Git & GitHub to push code, create repositories and clone others repos all from Graphical Interface

Published on April 17, 2025

How to Solve GitHub’s Large‑File Limit with Git LFS

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Tutorial on using Git lfs to prevent the remote: error: File is 1111 MB; this exceeds GitHub's file size limit of 100.00 MB. Easy Set up , on Ubuntu & Windows.

Published on April 17, 2025

New Linux Server? Do These 10 Things First (Checklist ✅)

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✅ Checklist of important steps for Linux servers. Securing and making Linux virtual machines easier to work with guide.

Published on April 09, 2025

🚨 Securing Linux Servers: Fail2ban Tool Install & Setup Guide

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🚨 Keeping your Linux server safe from brute-force attacks is a must — especially when it's sitting out there on the public internet . One of the easiest and most effective ways to harden your SSH access is by using Fail2Ban. In this guide we show how to set up it up for a Ubuntu Virtual Machine

Published on April 09, 2025

How to Generate an SSH Key 🔑

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Master SSH key setup 🔑 in minutes! Generate your public & private key pair, configure SSH access to your serve. A fast guide for developers who need seamless, secure SSH access. 🚀

Published on April 02, 2025

Web Scraping with Python: A Practical Introduction Using BeautifulSoup 🍜 (Step-by-Step Guide for Beginners)

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Learn how to build a 🐍 Python web scraper using Beautiful Soup to extract temperature data from a website and save it as a CSV file. A beginner-friendly guide to web scraping with practical examples.

Published on March 27, 2025

📈 Best Platforms to Trade Crypto Options in 2025: Where to Buy & Hedge Bitcoin Risk

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What are crypto options📈 ? They're advanced trading contracts that let you buy or sell crypto at a set price in the future — with limited risk and unlimited strategies. Learn how to trade Bitcoin options on platforms like Bybit, Deribit, and OKX using real tactics, pro tools 🛠️, and demo accounts 🎮 to sharpen your edge before going live 🚀.

Published on March 24, 2025

File Transfers with WinSCP vs Rsync

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A short post on how to optimally transfer large files or folders with many files from a Linux server to your local machine (or vice versa). Here we explore using WinSCP and rsync to ensure that we can download the files in a reasonable amount of time. We also look at compression techniques using gzip, and show real examples of how to achieve this efficiently.

Published on March 24, 2025

Creating SSH Alias to Easily Connect to Server

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It can get very tiresome having to remember the IP address and which ssh key is associated with the user log in, especially once we have a few servers to manage, in this article we will show how to easily set up a system in which we can simply type a single word along with 'ssh' to get in to our servers.

Published on March 23, 2025