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System V init (SysV traditional sequential startup, now outdated) - configura ...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