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In a test environment using Ubuntu 18.04 with Keepalived v1.3.9 (installed via apt-get) in a Master-Backup configuration alongside Nginx, an unexpected loss of the Virtual IP (VIP) on the Master node was observed. The service became unreachable, yet no failover occurred—both nodes showed no Keepalived transition logs. Restarting Keepalived on t ...

This guide walks through the setup of PyTorch across three common environments: Windows (with CUDA), NVIDIA Jetson Nano (JetPack 4.6), and Ubuntu Linux. It covers driver installation, CUDA Toolkit, cuDNN, and final verification. Windows Installation 1.1 Verify or Install NVIDIA Driver The NVIDIA driver acts as the communication bridge betwee ...

OpenSCAP and OVAL Data InitializationSecurity vulnerability assessment on Ubuntu 22.04 LTS can be performed using OpenSCAP with Canonical's official OVAL datasets. The following script dynamically fetches the USN and CVE oval data for the current distribution release, decompresses the archives, and generates HTML evaluation reports:DISTRO_C ...

Setting up codeserver in a Docker container Pulling and configuring the Docker environment docker pull ubuntu:20.04 sudo apt update sudo apt install wget sudo apt install net-tools sudo apt update sudo apt install git apt install curl Common Docker commands: docker run: Create a container from an image docker images: List local images dock ...

Idantifying the Correct Configuration Path Ubuntu's approach to static IP configuration diverges at the 17.10 release. First, confirm your release with lsb_release -r. The following procedures cover both modern and legacy setups. Current Systems: Ubuntu 17.10 and Later (Netplan) Netplan abstracts network configuration through YAML files. Locate ...

To set up a functional HBase cluster across three Ubuntu servers and insert sample data, follow this guide. The setup assumes the following IP addresses: Master node: 192.168.1.101 RegionServer nodes: 192.168.1.102, 192.168.1.103 1. System Preparation On all three machines, begin by updating the system and installing Java: sudo apt update &am ...

Docker Overview Docker is an open-source containerization platform that enables developers to package applications along with their dependencies into lightweight, portable containers, which can then be deployed across Linux environments. Installation Procedure Step 1: Remove Legacy Docker Versions Ubuntu may ship with older Docker packages that ...

WebP, a modern image format developed by Google, offers superior compression for images on the web, often resulting in smaller file sizes without significant loss of quality. While its adoption is widespread in web browsers, native support within Linux desktop environments, particularly Ubuntu, can sometimes be lacking in default applications. ...

Initial Setup and Network Configuration Before begining the Ubuntu server setup, ensure your virtual machine network adapter is set to bridge mode. For wireless connections, select your appropriate wireless network adapter in the virtualization settings. Basic Network Commands # Test network connectivity ping -c 4 192.168.1.181 # Display routi ...

On Ubuntu systems, when a process occupies port 9999 and the port remains unavailable due to TIME_WAIT state after the process terminates, preventing new processes from binding to it, you can implement several solutions: Solution 1: Implement SO_REUSEADDR Socket Option Configure your application code with the SO_REUSEADDR option to permit immed ...