Freaks City

Introduction Data is stored in various formats including text, images, and video, which computers interpret as binary or hexadecimal machine language. Depending on the importance and complexity of the information, different management strategies are required. Databases are best suited for storing critical data with complex relationships. Datab ...

Background systemd acts as the initialization system and service manager for the majority of modern Linux distributions, including Deepin. It is responsible for booting the user space and managing system services. The apt-get autoremove utility is designed to clean up packages that were installed as dependencies but are no longer required. Howe ...

QtMQTT is a Qt-based client library that enables MQTT protocol communication with brokers, commonly used in embedded and IoT scenarios. Kylin Linux—a domestic Chinese OS derived from Ubuntu—is widely deployed in secure industrial and edge environments. This guide walks through building, testing, and system-integrating QtMQTT on Kylin Linux (v10 ...

Introduction to Nginx Installation Methods I/O Models and Zero-Copy Technology Process Architecture Configuration Optimization Smooth Upgrade Procedures Introduction to Nginx Nginx is a high-performance web server developed in 2002 by Russian engineers for Rambler.ru. Acquired by F5 in 2019 for $670M, it's used by major interne ...

Package Acquisition ==================== Download the static binary archive for Docker CE 18.06.3 compatible with x86_64 systems: wget https://download.docker.com/linux/static/stable/x86_64/docker-18.06.3-ce.tgz Ensure the version aligns with Kubernetes compatibility requirements — versions prior to 18.06 may lack critical features or exhibi ...

This guide walks through two common operational tasks: bootstrapping several isolated MySQL instances on the same host and regaining access when the root credentials are lost. Anatomy of a MySQL Option File # /etc/my.cnf or any *.cnf under /etc/my.cnf.d/ [mysqld] # server-only settings user=mysql basedir=/usr/local/mysql datadi ...

The Evolution of Init: The Comprehensive Systemd The Evolution of Init and Full-Featured Systemd 1.1 Three Major Versions of Init in Linux Systems The first user-space process started by the kernel is init. Linux systems have primarily used three versions of init: System V init (SysV traditional sequential startup, now outdated) - configura ...

Prerequisites for Building Redis from Source Before running make test, ensure TCL 8.5 or later is installed: wget http://downloads.sourceforge.net/tcl/tcl8.6.1-src.tar.gz tar xzvf tcl8.6.1-src.tar.gz -C /usr/local/ cd /usr/local/tcl8.6.1/unix/ ./configure make make install Install the GCC compiler: yum install gcc -y Building Redis with syste ...

Install Server and Client Packages # Install MinIO server package rpm -ivh https://dl.minio.org.cn/server/minio/release/linux-amd64/minio-20230518000536.0.0.x86_64.rpm # Install MinIO client package rpm -ivh https://dl.minio.org.cn/client/mc/release/linux-amd64/mcli-20230518165900.0.0.x86_64.rpm Define Environment Variibles for MinIO Create / ...

Enviroment Preparation Server Layout Hostname IP Instances Ports redis-node-0 10.10.101.29 2 6379, 6380 redis-node-1 10.10.101.30 2 6379, 6380 redis-node-2 10.10.101.31 2 6379, 6380 Build Dependencies # Enable GCC 9 yum -y install centos-release-scl yum -y install devtoolset-9-gcc devtoolset-9-gcc-c++ devtoolset-9-binutils scl ena ...