Automating MySQL Backups on Ubuntu Systems

Creating Backup Directories Begin by establishing a dedicated directory for backups: mkdir -p /home/apps/backup/mysqllive Securing Database Credentials For enhanced security, store database credentials in a configuration file instead of embedding them in scripts. Create and edit the MySQL dump configuration file: sudo vim /etc/mysql/conf.d/mys ...

Posted on Thu, 03 Sep 2026 16:54:06 +0000 by FireDrake

Node.js Installation Guide for Major Linux Distributions

Using Package Managers to Install Node.js For CentOS/RHEL Systems EPEL Repository Method (For Older Versions) # Install EPEL repository sudo yum install epel-release -y # Install Node.js sudo yum install nodejs -y # Verify installation node -v # Complete uninstallation sudo yum remove nodejs npm -y sudo yum clean all NodeSource Repositor ...

Posted on Thu, 03 Sep 2026 16:52:24 +0000 by flhtc

Setting Up Redis, MySQL, and Nginx on Ubuntu 20.04

Installing Redis from Source To deploy Redis, download the source code from the official Redis website. Extract the archive and prepare the build enviroment: tar -xvf redis-x.x.x.tar.gz cd redis-x.x.x sudo apt update sudo apt install build-essential pkg-config Compile the source code using the provided makefile: make MALLOC=libc sudo make inst ...

Posted on Thu, 03 Sep 2026 16:49:47 +0000 by mforan

Setting Up OpenCV with Python Development Environment on Ubuntu and Building Recognition Demos

Installling Python Begin with installing Python version 2.7 as the development environment. sudo apt-get install python2.7 sudo apt-get install python2.7-dev Installing OpenCV Multiple installation methods exist, starting with the most straightforward apporach. sudo apt-get install python-opencv Camera Access Demo Basic Test Example import cv ...

Posted on Thu, 03 Sep 2026 16:20:31 +0000 by witold

Installing JDK on Ubuntu: A Comprehensive Guide

Methods for Installing JDK on Ubuntu There are two primary approaches to installing JDK on Ubuntu: Using the apt package manager Manual installation from downloaded packages The apt method is recommended as it simplifies future updates through apt-get upgrade. Method 1: Installing via apt This section covers both OpenJDK and Oracle JDK instal ...

Posted on Tue, 01 Sep 2026 16:46:29 +0000 by scott532

Setting Up PySpark and Building a Word Count Application on Ubuntu

Getting PySpark running on Ubuntu involves installing several dependencies and configuring your environment properly. This guide walks through the complete setup process and demonstrates how to build a word counting application. Prerequisites Installation Before installing PySpark, you need to set up the Java runtime environment since Spark run ...

Posted on Tue, 11 Aug 2026 16:37:35 +0000 by iamchris

Ubuntu 24.04 LTS Setup and Hardware Optimization for ThinkPad X1 Carbon Gen 6

Hardware Specification ThinkPad X1 Carbon (6th Gen, 2018) Intel Core i5-8350U, 16 GB RAM, 512 GB SSD Ubuntu 24.04.4 LTS Base Installation Multi-boot USB creation tools such as Ventoy simplify installing Ubuntu alongside existing operating systems. Once installed, most hardware functions out of the box, though several components benefit from m ...

Posted on Mon, 03 Aug 2026 16:24:45 +0000 by MBenefactor

Configuring WiFi on ELF2 Development Board Running Ubuntu System with Intel AX200

Configuring WiFi on ELF2 Development Board Running Ubuntu System with Intel AX200 Before proceeding with WiFi configuration, you need to flash the Ubuntu system onto the development board. There are two approaches available: Method 1: Copy kernel modules from an existing buildroot system's /usr/lib/modules directory to the corresponding locatio ...

Posted on Sun, 02 Aug 2026 16:17:56 +0000 by darkjedig

Building OpenCV 4.8 from Source on Ubuntu Systems

Downloading OpenCV 4.8 Source Execute the following commands in a terminal to download and extract the source code: wget -O opencv-4.8.zip https://github.com/opencv/opencv/archive/4.8.0.zip unzip opencv-4.8.zip -d opencv-4.8 Installing Build Dependencies Install required compliers and libraries using apt: sudo apt update sudo apt install -y bu ...

Posted on Fri, 31 Jul 2026 16:01:36 +0000 by Rithiur

Ubuntu Server Performance Monitoring with Prometheus and Grafana

Setting Up Server Performance Monitoring For effective server performance monitoring, implementing specialized tools becomes essential. Two primary approaches were evaluated: InfluxDB + Telegraf + Grafana Prometheus + Node Exporter + Grafana The InfluxDB documentation appeared inconsistent across versions, making Prometheus the preferred choi ...

Posted on Mon, 27 Jul 2026 16:45:31 +0000 by liquidchild