Offline Installation of Docker CE 18.06 on CentOS 7

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 ...

Posted on Mon, 25 May 2026 16:53:39 +0000 by digitalgod

Deploying Multiple MySQL Instances and Resetting the Root Password

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 ...

Posted on Mon, 18 May 2026 11:12:21 +0000 by amitsonikhandwa

Understanding Systemd: The Modern Linux System and Service Manager

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 Linux systems have primarily used three versions of init: System V init (SysV traditional sequential startup, now outdated) - configura ...

Posted on Mon, 18 May 2026 01:56:34 +0000 by saeed99

Building and Configuring Redis from Source with systemd Integration

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 ...

Posted on Sun, 17 May 2026 21:39:10 +0000 by mechamecha

Deploying a Standalone MinIO Instance on Rocky Linux 9

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 / ...

Posted on Sun, 17 May 2026 02:33:38 +0000 by lyealain

Deploying a Three-Node Redis Cluster with Bloom Filter on CentOS 7

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 ...

Posted on Wed, 13 May 2026 05:00:36 +0000 by GundamSV7

Compiling and Installing Nginx from Source on Ubuntu 20.04

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 ...

Posted on Mon, 11 May 2026 09:38:43 +0000 by 121212

Deploying Decoupled Web Applications on Linux Using Nginx

Environment Setup and Nginx CompilationBegin by installing the necessary compiler and development libraries required for Nginx to function properly, including support for SSL and regular expressions.yum install -y gcc-c++ pcre pcre-devel zlib zlib-devel openssl openssl-devel Extract the source archive and navigate into the directory. Execute th ...

Posted on Sun, 10 May 2026 23:03:15 +0000 by tomhath

Resolving InnoDB Metadata Mismatch During MySQL Startup on Linux

When initiating the database service on a Linux environment, the following fatal message may appear in the system journal: InnoDB: Table flags are 0 in the data dictionary but the flags in file ./ibdata1 are 0x4800! This indicates a corruption or version incompatibility within the InnoDB storage engine metadata files. Specifically, it occurs wh ...

Posted on Fri, 08 May 2026 17:26:29 +0000 by twistisking