Ubuntu

Manzolo PPA — My Personal Ubuntu Repository Install my tools directly with apt! Secure, GPG-signed repository hosted at https://ubuntu-repo.manzolo.it Ubuntu 24.04 (noble) — FULLY SUPPORTED wget -qO - https://ubuntu-repo.manzolo.it/KEY.gpg | sudo gpg --dearmor -o /etc/apt/trusted.gpg.d/manzolo-repo.gpg echo "deb [arch=amd64 signed-by=/etc/apt/trusted.gpg.d/manzolo-repo.gpg] https://ubuntu-repo.manzolo.it noble main" | sudo tee /etc/apt/sources.list.d/manzolo-repo.list sudo apt update Install my packages manzolo-chroot package sudo apt install manzolo-chroot Search all my tools apt search manzolo Verify everything works apt policy | grep manzolo Remove the repository (if you ever want to) sudo rm /etc/apt/sources.list.d/manzolo-repo.list sudo rm /etc/apt/trusted.gpg.d/manzolo-repo.gpg sudo apt update

Build Your Own Ubuntu Repository with Docker 📦 Ever wanted to distribute your own software packages just like Ubuntu does? Whether you’re managing internal tools across multiple servers, creating a private package distribution system, or just want to learn how APT repositories work under the hood, building your own Ubuntu repository is easier than you might think. In this guide, I’ll show you how to create a production-ready Ubuntu repository using Docker, complete with GPG signing, automated publishing, and a web interface for package distribution. ...

Linux Boot Repair Guide (Debian/Ubuntu) Introduction Boot issues in Debian or Ubuntu can prevent your system from starting, often due to a corrupted GRUB bootloader, misconfigured partitions, or kernel problems. This guide provides step-by-step instructions to repair the boot process for both UEFI and Legacy (BIOS/MBR) systems using a live USB/CD. It covers GRUB reinstallation, partition setup, and troubleshooting common issues. Prerequisites A Debian or Ubuntu live USB/CD (preferably the same version as your system). Access to a live session by booting from the live media and selecting “Try Ubuntu/Debian.” Basic familiarity with the terminal. Administrative (root) privileges in the live environment. Critical Warning: Verify Partitions Before Formatting ⚠️Warning Extreme Caution: Before formatting any partition, use lsblk or fdisk -l to verify that you are selecting the correct disk and partition (e.g., EFI System Partition or root partition). Formatting the wrong partition can erase your data or critical files. Always double-check the disk and partition layout to avoid data loss. Linux Boot Repair UEFI Boot Repair UEFI systems use an EFI System Partition (ESP) to store GRUB and boot files. If the ESP is missing, corrupted, or misconfigured, the system may fail to boot. ...

Ubuntu UFW Firewall Guide Introduction UFW (Uncomplicated Firewall) is a user-friendly interface for managing iptables firewall rules on Ubuntu systems. It simplifies the process of configuring firewall settings, making it accessible for beginners and efficient for advanced users. This guide covers essential UFW commands, practical examples, and tips for securing your Ubuntu server. What is UFW? UFW is a front-end for iptables, designed to make firewall configuration straightforward. It allows you to manage inbound and outbound network traffic by defining rules based on ports, protocols, and IP addresses. ...

APT and DPKG Guide (Debian/Ubuntu) Introduction apt and dpkg are core tools for package management on Debian and Ubuntu systems. apt update refreshes the package index from configured repositories, ensuring you have the latest package information. dpkg manages .deb packages, allowing direct installation, removal, querying, or identifying file ownership. This guide covers using apt update and dpkg, with use cases like system updates, manual .deb installation, searching for packages, finding file ownership, adding/removing external repositories, and determining which repository provides a package. ...

RDP Installation and Configuration Guide (Debian/Ubuntu) Introduction Remote Desktop Protocol (RDP) enables remote access to a graphical desktop environment on a Linux system. XRDP is an open-source RDP server that allows connections from RDP clients (e.g., Windows Remote Desktop, Remmina) to a Debian/Ubuntu system. This guide explains how to install and configure XRDP with the XFCE desktop environment, a lightweight and efficient choice for remote desktops, on Debian/Ubuntu systems. It includes steps to set up a secure and functional RDP server for remote access. ...