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Kubernetes is an open-source container orchestration platform, and kubeadm is a tool provided by the Kubernetes team for quickly setting up a Kubernetes cluster. This article walks through the process of creating a Kubernetes cluster on Ubuntu using kubeadm, covering prerequisites, installing components, initializing the cluster, and adding wor ...

An apt update or apt full-upgrade inside an Ubuntu Jammy installation running under FreeBSD jail may abort with: E: Dynamic MMap ran out of room. Please increase the size of APT::Cache-Start. Current value: 25165824. (man 5 apt.conf) E: Dynamic MMap ran out of room. Please increase the size of APT::Cache-Start. Current value: 25165824. (man 5 a ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...