Building and Using OpenJDK 12 on Ubuntu WSL

Setting Up Ubuntu WSL Installing WSL and Ubuntu To begin, enable Windows Subsystem for Linux through the Windows Control Panel: Navigate to "Control Panel" → "Programs" → "Turn Windows features on or off" Ensure "Windows Subsystem for Linux" is checked After enabling WSL, install Ubuntu from the Micr ...

Posted on Fri, 03 Jul 2026 17:04:55 +0000 by Jaquio

Deploying Kubernetes 1.17 on Ubuntu 18.04 Using Kubeadm

Configuring the Container RuntimeTo begin, configure the Docker daemon to utilize a registry mirror, which accelerates image downloads. Create the necessary configuration file:sudo mkdir -p /etc/docker sudo tee /etc/docker/daemon. <<-'EOF' { "registry-mirrors": ["https://docker.mirrors.ustc.edu.cn"] } EOFApply the changes by reloading t ...

Posted on Thu, 02 Jul 2026 17:14:38 +0000 by gijs

Installing Netdata on Ubuntu and Configuring a Monitoring Cluster

Installation Prerequisites First, install the required dependencies. These packages enable system monitoring and support for various applications including MySQL/MariaDB, PostgreSQL, DNS (named), hardware sensors, and SNMP. Run the automated dependency installer: curl -Ss 'https://raw.githubusercontent.com/netdata/netdata/master/packaging/insta ...

Posted on Thu, 02 Jul 2026 17:10:40 +0000 by myleow

Configuring an Ubuntu Virtual Machine for RK3399 Embedded Development

Provision a virtual machine using VMware Workstation Player or an equivalent hypervisor. Download the target Ubuntu ISO from the official release archive. During the guest OS installation, allocate a minimum of 100 GB for the virtual disk to accommodate large SDK archives, root filesystems, and build artifacts. After the initial boot, disable a ...

Posted on Mon, 29 Jun 2026 16:36:24 +0000 by khendar

Configuring Static IP Address on Ubuntu 22.04

While DHCP automatically assigns IP addresses in most networks, certain scenarios like running servers or enabling port forwarding require a static IP configuration. This guide demonstrates how to set a static IP address on Ubuntu 22.04 using the graphical NetworkManager TUI tool. Note: Ensure your virtual machine uses bridged networking mode f ...

Posted on Sat, 27 Jun 2026 16:50:54 +0000 by Nolan

Installing CARLA Simulator: A Comprehensive Guide

Installation Guide for CARLA Simulator Available Versions Two versions of CARLA are available for installation: Source Version: Requires compilation from source code, suitable for development purposes (available on GitHub) Binary Version: Pre-compiled binaries, easier to install, ideal for learning and evaluation (available on the offic ...

Posted on Fri, 26 Jun 2026 17:34:28 +0000 by ant peacocke

Keepalived VIP Loss Due to systemd-networkd Restart

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 ...

Posted on Sun, 21 Jun 2026 17:06:19 +0000 by mlla2

Comprehensive Guide to Installing PyTorch on Windows, Jetson Nano, and Ubuntu

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 ...

Posted on Mon, 15 Jun 2026 15:59:59 +0000 by Johannes80

Resolving Ubuntu Server Vulnerability Scans and Unsupported Kernel Conflicts

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 ...

Posted on Sun, 14 Jun 2026 16:49:54 +0000 by Spekta

Running codeserver within a Docker container

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 ...

Posted on Wed, 10 Jun 2026 18:39:47 +0000 by vipes