Configuring MySQL Server on Ubuntu 20.04 with Security Enhancements
Installing MySQL Server
Execute these commands to instal MySQL on Ubuntu 20.04:
sudo apt update
sudo apt install mysql-server
Verify the installation and check the service status:
mysql --version
sudo systemctl status mysql
Securing MySQL Installation
Run the security script to configure basic security settings:
sudo mysql_secure_installation ...
Posted on Thu, 14 May 2026 01:45:18 +0000 by DevXen
Getting Started with OrangePi Zero 2: A Complete Beginner's Guide
Overview
The OrangePi Zero 2 is a low-cost single-board computer powered by the Allwinner H616 SoC (ARM Cortex-A53). It supports multiple operating systems including Ubuntu, Debian, and Android TV 10. This guide provides step-by-step instructions for setting up the board from scratch, covering hardware preparation, system installation, serial c ...
Posted on Wed, 13 May 2026 11:35:45 +0000 by FunkyELF
Deploying Java Web Applications on Ubuntu with Tomcat
Setting Up Java Web Environment on Ubuntu
Running a Java Web Archive (.war) file on Ubuntu requires a servlet container like Apache Tomcat. This guide explains the complete deployment process.
Java Installation
Java is essential for executing .war files as they are Java-based web applications.
Verify Java Installation
Check if Java is alre ...
Posted on Mon, 11 May 2026 13:03:11 +0000 by dizzy1
Compiling and Installing Nginx from Source on Ubuntu 20.04
Prerequisites and Dependency Installation
Before compiling Nginx, ensure your system's package lists are up-to-date and install the necessary development libraries.
sudo apt-get update
sudo apt-get upgrade -y
sudo apt-get install -y build-essential libpcre3 libpcre3-dev zlib1g-dev libssl-dev
build-essential: Includes essential tools for compi ...
Posted on Mon, 11 May 2026 09:38:43 +0000 by 121212
Configuring Domestic Mirrors for Ubuntu ARM Systems
Ubuntu ARM systems utilize a distinct repository named ubuntu-ports instead of the standard Ubuntu repositories. This guide demonstrates how to configure domestic mirror sources for improved downlaod speeds on ARM-based Ubuntu installations.
Understanding Ubuntu ARM Repositories
ARM architecture Ubuntu systems require the ubuntu-ports repositor ...
Posted on Mon, 11 May 2026 02:11:48 +0000 by Mightywayne
RabbitMQ Broker Deployment and Message Routing Patterns on Ubuntu
Core Installation and Service Configuration
Execute the package manager to deploy the RabbitMQ server on Ubuntu:
sudo apt update
sudo apt install -y rabbitmq-server
sudo systemctl enable --now rabbitmq-server
Once the service is active, provision an administrative account and assign comprehensive access rights:
sudo rabbitmqctl add_user sys_ad ...
Posted on Sun, 10 May 2026 02:57:49 +0000 by keithschm
Docker Editions and Installation Guide
Docker Editions: Community vs. Enterprise
Docker provides two primary distributions tailored to different use cases: Docker Community Edition (CE) and Docker Enterprise Edition (EE).
Docker Community Edition (CE) is the open-source variant maintained by the Docker community. It is available free of charge and is ideally suited for individual de ...
Posted on Sat, 09 May 2026 19:19:05 +0000 by ajaybuilder
Installing the ROS Qt Creator Plugin on Ubuntu
Prerequisites
Update the package index and install required system dependencies:
sudo apt update
sudo apt install libgl1-mesa-dev ninja-build libyaml-cpp-dev libqtermwidget5-0-dev libutf8proc-dev
sudo apt install python3-pip
pip3 install pyyaml requests py7zr tqdm_loggable
Plugin Source Acquisition
Clone the plugin repository from GitHub:
git ...
Posted on Sat, 09 May 2026 11:05:29 +0000 by Daegalus
Setting Up ROS Robots: Environment Configuration Guide
Ubuntu 18.04 Installation
Creating a Linux Bootable USB Drive
Download the Ubuntu 18.04 ISO image from the official Ubuntu website.
Use a tool like Rufus or Etcher to create a bootable USB drive.
Select the ISO file and target USB drive, then write the image.
Installation Process
Insert the bootable USB drive and restart the computer.
Enter ...
Posted on Sat, 09 May 2026 01:27:02 +0000 by jaimec
Deploying WordPress with Caddy Server on Ubuntu
Installing Caddy Server
Caddy is available in the Ubuntu repository and can be installed directly:
sudo apt update
sudo apt install caddy
Setting Up PHP and MySQL
WordPress requires PHP and MySQL to function. Install the necessary packages:
sudo apt install php php-fpm php-mysql mysql-server
After installation, verify that PHP-FPM is running: ...
Posted on Fri, 08 May 2026 13:30:13 +0000 by saad|_d3vil