This guide walks you through Tomcat's concepts, its role as a Java servlet container, step‑by‑step installation and configuration, detailed directory structure, deployment of a sample zrlog application, and how to set up multiple Tomcat instances on a single server, complete with code examples and log configuration.
This guide walks through downloading MySQL, extracting it, creating a dedicated mysql user, setting up separate data directories, initializing each instance, configuring my.cnf, creating systemd services, starting and stopping the instances, setting passwords, and troubleshooting common errors, all on a single server.
This guide walks you through installing Tomcat on Linux, configuring its core components, understanding its directory layout, deploying a sample Java web application, and setting up multiple independent Tomcat instances on a single server for efficient resource utilization.
MagicColor introduces a novel multi‑instance sketch‑coloring framework that uses a two‑stage self‑play training strategy, instance guidance, and edge‑aware pixel‑level color matching to automatically produce high‑quality, consistent colors for multiple line‑art instances, outperforming prior GAN and diffusion‑based methods.
This tutorial walks you through downloading MySQL binaries, creating a dedicated mysql user, extracting files to /usr/local, setting up separate data directories, initializing each instance, configuring my.cnf, managing the services with systemd, setting root passwords, and troubleshooting common errors, enabling you to run three isolated MySQL servers on a single host.
This guide explains how systemd’s multi‑instance (template) services work, shows how to configure and manage them with concrete examples such as OpenVPN client instances, and highlights their core features, practical steps, logging, typical scenarios, and advantages for Linux administrators.
This guide explains how NGINX‑Ingress works, outlines key considerations for running multiple instances, and provides step‑by‑step instructions—including helm installation, custom controller parameters, admission webhook scoping, and verification screenshots—to reliably deploy and manage several NGINX‑Ingress controllers in a Kubernetes cluster.
This article explains how to replace Zabbix with Prometheus for MySQL monitoring by configuring mysqld_exporter to collect metrics from multiple MySQL instances, details the required user accounts, shows common errors, and provides step‑by‑step solutions including building a newer exporter, adjusting configuration files, and using auth_module for password management.
This article explains how to design and implement reliable scheduled tasks in multi‑instance Java applications, covering task types, clustering solutions like Quartz, lock strategies, version‑based data consistency, and key operational considerations such as intervals, priorities, and monitoring.
This article explains why integrating a Flutter AAR into an Android project that already contains a Flutter app causes version, class, native library, and resource conflicts, and presents a comprehensive solution using custom class loading, library renaming, and resource isolation to enable seamless coexistence.
This guide walks you through removing old MySQL versions, installing MySQL 8.0 via YUM or binary packages, configuring a secure initial password, setting up multiple instances on different ports, and addressing typical MySQL 8.0 pitfalls such as user creation, remote root access, authentication plugins, and character set settings.
This article explains the concept, use cases, benefits, and challenges of running multiple MySQL instances on one machine, then provides a detailed, command‑line walkthrough—including environment preparation, compilation, configuration files, startup, security measures, and management scripts—to help you set up and manage multi‑instance MySQL deployments.
