Freaks City

Create an isolated Docker network for the stack: docker network create --driver bridge kafkaNet ZooKeeper container docker run -d \ --name zk \ --network kafkaNet \ -p 2181:2181 \ -e ALLOW_ANONYMOUS_LOGIN=yes \ bitnami/zookeeper:latest Kafka broker Replace HOST_IP with the address Docker will advertise to cleints outside the bridge ...

Core Command Differences Operation Type Command Target Object Feature Export/Backup docker save Docker image Preserves full layered filesystem, output file size is larger Export/Backup docker export Docker container Flattens filesystem into a single directory structure, discards layer history and metadata Import/Restore docker load I ...

Checking Docker Information # Display Docker version docker version # Show detailed Docker system information docker info # Get help with Docker commands docker --help Image Operations Image operations can utilize image names, full IDs, or shortened IDs. Listing Images # Show local images docker images # Include intermediate layers docker i ...

Prerequisites and Environment Setup Begin by verifying network connectivity between your build environment and the target database. Install the required Java Development Kit (JDK) and Maven compiler toolchain using your system's package manager. sudo yum install java-11-openjdk-devel maven -y Application Configuration and Compilation Update t ...

Installing Docker CE on air-gapped KylinOS V10 (aarch64) systems requires a binary-based deployment. Follow the steps below to manually configure the daemon and its dependencies. 1. Acquire Binary Distribusion Download the official static binary package for the ARM64 architecture: mkdir -p /opt/docker_install wget https://mirrors.ustc.edu.cn/do ...

The GOMAXPROCS variable defines the maximum number of operating system threads that can execute Go code simultaneously. It effectively limits how many OS threads the Go scheduler can use to run goroutines, influencing both concurrent and parallel execution. When GOMAXPROCS=1, all goroutines multiplex onto a single OS thread, achieving concurren ...

Installation Methods Elasticsearch can be installed using several methods. This guide covers tarball, RPM, and Docker approaches. 1.1 Tarball Installation Create a setup script to automate the installation process. #!/bin/bash # setup_es.sh ES_INSTALL_DIR="/opt/elasticsearch" ES_VERSION="7.9.2" # Create installation dire ...

kkFileView is an open-source, Spring Boot-based document preview system designed for seamless online viewing of common file formats. With over 9.9k stars on GitHub, it supports a wide range of document types including DOC, DOCX, XLS, XLSX, PPT, PPTX, PDF, TXT, ZIP, RAR, as well as images, audio, and video files. Docker Deployment Deploying kkFi ...

Swagger Editor is an open source editor for creating and editing OpenAPI-based API documentation. Its built-in visual preview and real-time validation make it much easier to write and maintain API specifications compared to plain text editing. Enabling remote access to a self-hosted Swagger Editor allows team members to access and edit API docu ...

Virtualization Concepts Virtualization is a resource management technology that abstracts physical computing hardware—such as servers, memory, network, and storage—into logical resources. By decoupling the software environment from the underlying physical infrastructure, users can achieve greater efficiency and flexibility. In production enviro ...