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This guide outlines the process of installing MySQL 8 by compiling its source code on a CentOS 7 system. Source compilation provides maximum control over the installation and optimization. 1. System Environment Overview Before beginning, verify the operating system details. The instructions are tailored for CentOS 7. [root@host ~]# cat /etc/red ...

Prerequisites Log in to your CentOS 7 server using an account that has sudo privileges. Ensure that no other service (such as Apache) is occupying port 80 or 443, as this would prevent Nginx from starting. Installing Nginx Nginx is available from the EPEL (Extra Packages for Enterprise Linux) repository. Follow these steps to install it: Inst ...

Installl MongoDB Create a custom YUM repository: sudo tee /etc/yum.repos.d/mongodb.repo <<EOF [mongodb-org] name=MongoDB Repository baseurl=https://mirrors.aliyun.com/mongodb/yum/redhat/7/mongodb-org/4.2/x86_64/ gpgcheck=1 enabled=1 gpgkey=https://www.mongodb.org/static/pgp/server-4.2.asc EOF Install the MongoDB package: sudo yum install ...

Prerequisites and System Preparation Before proceeding, ensure the system has essential build tools and libraries installed: yum install -y vim gcc gcc-c++ glibc make autoconf openssl openssl-devel pcre-devel pam-devel zlib-devel tcp_wrappers-devel libedit-devel perl-IPC-Cmd wget tar lrzsz Update zlib Library Download and compile the latest zl ...

When attempting to install yum auxiliary packages on a CentOS 7 virtual machine environmetn prepared for Docker runtime deployment: sudo yum install -y yum-utils The following host resollution error is returend: Loaded plugins: fastestmirror Determining fastest mirrors Could not retrieve mirrorlist http://mirrorlist.centos.org?arch=x86_64& ...

A Kubernetes cluster requires atleast three CentOS 7 servers. One master node (hostname: master-k8s). Two worker nodes (hostnames: worker-k8s-01, worker-k8s-02). All steps in the Environment Preparation and Docker Installation sections must be executed on all three nodes: master-k8s, worker-k8s-01, and worker-k8s-02. Environment Preparation C ...

Let's Encrypt is a free, automated, and open Certificate Authority (CA) provided by the Internet Security Reseacrh Group (ISRG). It allows website owners to obtain trusted SSL certificates that are recognized by all major modern browsers. This guide demonstrates how to use the Certbot tool to generate and manage SSL certificates for Nginx on a ...

Preserving Python 2 First, locate the Python installation and back up the Python 2.7 symlink. # Navigate to home directory and find Python locations cd ~ whereis python # Check existing Python symlinks in /usr/bin cd /usr/bin ls -l python* # Back up the python symlink mv python python.backup Downloading and Installing Python 3 Download Pytho ...

Environment Setup and OS Verification Deploy CentOS 7 within VMware Workstation 16.x. Following the installation, confirm the operating system version by querying the release identity file: cat /etc/os-release The output should reflect the CentOS 7 kernel version. Remote Access and Virtual Network Configuration Utilize an SSH client (such as ...

On CentOS systems, cron is the go-to utility for scheduling recurring tasks, though three scheduling tools exist for different use cases: at One-time execution only; requires the atd backend daemon to run cronie/crontab Recurring task execution; requires the crond daemon, with tasks managed via crontab anacron Daily-based schedulin ...