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In a previous tutorial, we discussed the Systemback application that allows us to create a live system from an installed Linux system. However, Systemback was no longer maintained. Luckily, we can do the same with standard ISO packaging tools in Linux. The key is to create a hybrid ISO that contains both legacy BIOS and UEFI boot records. Two approaches are available : Method 1 (GRUB 2) is modern and recommended. Method 2 (SYSLINUX) is a viable alternative. Feature ✅ Method 1: GRUB 2 (Recommended) ⚠️ Method 2: SYSLINUX (Alternative) Core idea Build a standalone GRUB 2 image Convert an…

For the first time in decades, a genuine migration is underway — not just by enthusiasts, but by regular users, enterprises, and governments. The combination of Microsoft’s controversial features and Linux’s unprecedented maturity is reshaping the desktop landscape. 🚪 The Push: Why People Are Running From Windows Microsoft’s recent decisions have created significant friction. From forced accounts to AI surveillance, millions are now actively looking for alternatives. The flowchart below summarizes the core pain points and their consequences. 🔍 Key Frustrations Driving Users Away Invasion of Privacy: Windows 11 telemetry is aggressive, and the AI-powered Recall tool (continuously taking screenshots)…

Startups crave speed. The market never waits for the cautious or the unprepared. Founders sprint toward funding deadlines, product launches, and that elusive promise of “scaling fast.” Here’s the thing: threats aren’t concerned about ambition. Cybercriminals work just as fast, sometimes faster, living in code and shadows while founders are buried in pitch decks. Too many people hold the dangerous belief that security can wait until “later,” leading to the demise of numerous companies before they have a chance to establish themselves. Understanding security isn’t a technical hobby. It is a non-negotiable business skill. Ignore it, and everything else starts…

This tutorial is going to show you how to install Mastodon on Ubuntu 24.04 server. Mastodon is an open-source decentralized social network. It’s like Twitter, but decentralized. You can set up a Mastodon instance on your server and connect to other Mastodon instances. Mastodon Features Total data control. You can download all your posts and migrate to another instance. Never worry about account termination by a central organization. Each Mastodon instance can set its own rules. 500 character limit per post. Mobile-friendly, responsive web design. Users can read or post from laptop, tablet and phone. 100% free open source. No…

This tutorial is going to show you how to run your own OpenVPN server on Ubuntu 24.04. OpenVPN is an open-source, robust, and highly flexible VPN solution. Stunnel is a tool that tunnels OpenVPN traffic over TCP port 443 in TLS mode, to bypass firewall blocking. Why Set Up Your Own VPN Server? Maybe you are a VPN service provider or a system administrator, which behooves you to set up your own VPN server. You don’t trust the no-logging policy of VPN service providers, so you go the self-host route. You can use VPN to implement network security policy. For…

This tutorial shows you how to set up your own web proxy on Ubuntu 24.04 server. A web proxy is a website where a user enters a specific URL to unblock website. There are a multitude of web proxy scripts that can be used to set up your own web proxy. Glype and PHP-Proxy will be used in this tutorial.  Glype is a very popular web proxy script.  PHP-Proxy is a good alternative. You can choose one of them. In my test, PHP-Proxy is faster and works better with popular websites like Facebook, Twitter and YouTube, because it’s being actively…

This tutorial will show you how to install the Ghost blogging platform on an Ubuntu 24.04 server. Ghost is an open-source blogging software coded in Node.js, allowing you to create modern, beautiful blogs. Compared to WordPress, Ghost is lightweight and much faster because it’s built specifically for blogging and isn’t a comprehensive content management system like WordPress. Ghost Features At the time of writing, the latest version of Ghost is v5.80.2, released on March 28, 2024. Features of Ghost are as follows: A Markdown-based editor allows you to quickly write posts. Simple content management. Collaborative editing with your team. Scheduled…

This tutorial is going to show you how to install WordPress on Ubuntu 24.04 with Apache, MariaDB, and PHP8.3 (LAMP Stack). WordPress is the most popular CMS (Content Management System) in the world. It is estimated that more than a third of websites today are powered by WordPress. PHP8.3 made into the Ubuntu 24.04 repository and WordPress runs perfectly with it. Prerequisite 1. To follow this tutorial, you need an Ubuntu 24.04 OS running on a remote server. If you are looking for a virtual private server (VPS), I recommend Kamatera VPS, which features: 30 days free trial. Starts at…

This tutorial will be showing you how to install Jellyfin media server on Ubuntu 24.04 LTS server/desktop. Jellyfin is a free, open-source application that allows you to organize your movies, TV shows, music and photos in one beautiful interface and stream those media files on your PC, tablet, phone, TV, Roku, etc on the network or over the Internet. Jellyfin can be installed on Linux, MacOS and Windows. Jellyfin Features Jellyfin is a fork from the Emby media server. It packs a lot of the same features as Plex and Emby. Unlike Plex or Emby, Jellyfin is 100% free and…

This tutorial is going to show you how to set up Shadowsocks proxy server on Ubuntu 24.04. Shadowsocks is a lightweight, fast, and secure Socks5 proxy to bypass Internet censorship. We will learn how to set up the server-side and how to configure the desktop client. There are many implementations of Shadowsocks, writtern in different programming languages. This tutorial shows you how to use Shadowsocks-libev, because: It’s written in C, very fast even on low-end machines. It’s well-maintained. It’s the most feature-rich implementation. TCP fast open, multiuser, management API, redirect mode, tunnel mode, UDP relay, AEAD ciphers, and plugins are…

This tutorial is going to show you how to run your own VPN server by installing SoftEther VPN server on Ubuntu 24.04. SoftEther VPN is an open-source multi-protocol VPN software that allows individual users to connect to a remote network. Why Set Up Your Own VPN Server? Maybe you are a VPN service provider or a system administrator, which behooves you to set up our own VPN server. You don’t trust the no-logging policy of VPN service providers, so you go the self-host route. You can use VPN to implement network security policy. For example, if you run your own…

Firewalld is the standard firewall software on RHEL-based Linux systems (Fedora, Alma Linux, Rocky Linux). This tutorial is going to show you some basic usages of firewalld. Install Firewalld We can easily install it from the default software repository. sudo dnf install -y firewalld Start it and enable autostart on system boot. sudo systemctl enable –now firewalld Check status: sudo systemctl status firewalld If this is a server, then you probably want to allow SSH traffic, so you won’t be locked out of your server. sudo firewall-cmd –permanent –add-service=ssh Firewall Zone Unlike UFW, Firewalld is designed to work with multiple…

This tutorial will show you how to set up a local DNS resolver on Rocky Linux 9/Alma Linux 9, with the widely-used BIND9 DNS software. There are many synonyms for DNS resolver, some of which are listed below. They all refer to the same thing. full resolver (in contrast to stub resolver) DNS recursor recursive DNS server recursive resolver Also, be aware that A DNS server can also called a name server. Examples of DNS resolvers are 8.8.8.8 (Google public DNS server) and 1.1.1.1 (Cloudflare public DNS server). The OS on your PC also has a resolver, although it’s called…

This tutorial is going to show you how to run your own VPN server by installing OpenConnect VPN server on Ubuntu 24.04. OpenConnect VPN server, aka ocserv, is an open-source implementation of Cisco AnyConnnect VPN protocol, which is widely used in businesses and universities. AnyConnect is an SSL-based VPN protocol that allows individual users to connect to a remote network. Why Set Up Your Own VPN Server? Maybe you are a VPN service provider or a system administrator, which behooves you to set up our own VPN server. You don’t trust the no-logging policy of VPN service providers, so you…

In the previous tutorial, we discussed the free Let’s Encrypt SSL certificate. Today I’m going to introduce another certificate authority that issue free SSL certificate: ZeroSSL. ZeroSSL Features It offers 90-day certificates and 1-year certificates. multi-domain certificates and wildcard certificates. ACME support. Its dedicated ACME Bot (ZeroSSL Bot) allows you to obtain and renew 90-day certificates automatically and completely free of charge. Supports third-party ACME clients No rate limit SSL monitoring REST API Domain verification via email, CNAME or file upload To be honest, many of these features require a premium plan. I’m interested in ZeroSSL because one of my…

The future of Bitcoin and its regulatory landscape remains uncertain and complex. As it continues to gain prominence, governments and financial authorities around the globe are grappling with the challenge of regulating this decentralized and volatile digital currency. While some countries endorse its potential for innovation and economic growth, others are cautious due to its associations with illicit activities and its lack of central control. The discourse around Bitcoin regulation often revolves around its status: is it a commodity, a currency, or a form of property? This debate has significant implications for how Bitcoin transactions are taxed and whether they…

This tutorial will show you how to install the Thinkorswim trading platform on Ubuntu 22.04/20.04 desktop, so you can trade stocks. ThinkorSwim Features It allows you to trade stocks, options, options on futures, ETFs, futures, and forex. Economic data straight from the Fed. Trade select securities 24 hours a day, 5 days a week. Available securities include FXI, SPY, EEM, GLD, SLV, DIA, UNG, TLT, IWM, QQQ, USO, SH, RWM, PSQ, AGG, DOG, EWA, EFA, EWJ, IJH, VTI, XLF, XLE, and XLK. Practice paper trading with the paperMoney feature. Track and modify your watchlist, orders, and alerts, including saved orders.…