Setting up a CentOS 7 VMware virtual machine work environment is the foundation for the system to run properly and for users to work efficiently. Step 1: Install Anaconda. Download Anaconda and place it in the shared folder. Official download link: https://www.anaconda.com/ Step 2: Enter the Linux system of the virtual machine and navigate to … Read more
Essential Guide for Linux Beginners! In-Depth Comparison of Ubuntu and CentOS to Avoid 3 Years of Wrong Choices In the vast ecosystem of Linux, two systems stand out as the “top players”—one is the “friendly choice” for beginners, and the other is the “stability king” for enterprise servers, namely Ubuntu and CentOS. Many newcomers to … Read more
Preparation Before InstallationAfter CentOS has stopped maintenance, the official related repositories have been closed. You need to change the repository source. Please refer to the following articleCentOS 7 stops online updates, change yum to Vault sourceThe article uses Tsinghua’s source, but you can also change to Alibaba’s source according to your needs. Below is the … Read more
Hello everyone, I am Chen Jianhao, commonly known as Engineer Chen. I enjoy exploring technical issues and often organize the pitfalls and fragmented thoughts I encounter at work into articles, occasionally sharing insights from my work and life experiences. Installing the operating system CentOS 8.2 for the management host (used for deploying the Engine) Change … Read more
Technical Alley Reading time: 5minutes Remember to bookmark our official account The network configuration of Linux systems varies by distribution, and beginners often get confused by various configuration files and commands. This article organizes the static IP configuration methods for the entire series of CentOS/RHEL and Debian/Ubuntu versions, from traditional configuration files to modern command … Read more
Introduction MySQL, as one of the most popular open-source relational database management systems, plays a crucial role in enterprise applications. With the continuous growth of data volume and the increasing demand for data security, high availability and data redundancy backup of databases have become particularly important. The Master-Slave Replication technology is an effective solution to … Read more
🔍 Ansible Firefighting Hotline | Struggling with Nginx Service Failures? One-Click Automated Diagnosis Turns You into a Web Expert! Are you still struggling with chaotic troubleshooting of Nginx service failures? Today, we bring you a comprehensive automated analysis solution for Nginx service failures on RHEL8/9 & CentOS8/9, allowing you to say goodbye to the nightmare … Read more
Check the SystemConfirm the version of CentOS. Generally, CentOS 7 and above are well compatible with MySQL. Use the command<span><span>cat /etc/centos-release</span></span>to check the system version.Update the SystemRun the command<span><span>yum -y update</span></span>to update the system packages, ensuring the system is up to date and reducing compatibility issues.Add MySQL Yum Repository wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm Then run<span><span>rpm -ivh mysql80-community-release-el7-3.noarch.rpm</span></span>to … Read more
The content includes scripts for both CentOS and Ubuntu systems, use as needed.Preparation before installationAfter CentOS stopped maintenance, the official related repositories have been closed, and you need to change the repository. Please refer to the following article.CentOS 7 stops online updates, yum changes to Vault repository.The article uses Tsinghua’s repository, but you can also … Read more
1. Download the installation package curl -s https://assets.emqx.com/scripts/install-emqx-rpm.sh | sudo bash Edit 2. Install yum install emqx -y Edit 3. Start the service systemctl start emqx Edit 4. Access the console Edit The default username and password are: admin/public After logging in, be sure to change the default password 5. Test Edit The above image … Read more