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Ubuntu 24.04 continues to use Wayland as the default display server, offering smooth animations and macOS-like gestures such as three-finger desktop switching. However, two usability issues arise under Wayland: Fcitx-based Chinese input methods (e.g., Sogou, Baidu) fail to function properly. When fractional scaling is enabled for high-DPI disp ...

Understanding ORB-SLAM is essential for visual navigation tasks. For more details, refer to the provided resource. The lab provided an Intel NUC with an i5 processor running Ubuntu 14.04, which is quite outdated. OpenCV version 2.4.9 is also old, indicating this machine has been in use for a while. The goal is to set up ROS, Kinect driver, and ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...