mysql linux installation path

In Linux systems, MySQL is a very popular open source relational database management system. In order to use MySQL, you need to install it on your Linux system. When installing MySQL, you may encounter some difficulties, especially when determining the installation path. This article will guide you how to install MySQL on a Linux system and demonstrate its installation path.

1. Download and install MySQL

First, you need to download the MySQL software package from the MySQL official website. You can choose a stable version such as MySQL 8.0 or MySQL 5.7.

Step 1: Download

Enter the MySQL official website, select the version you want to download and click download. You can also download it in the terminal using the following command:

wget https://dev.mysql.com/get/mysql80-community-release-el7-1.noarch.rpm

Step 2: Install

To install the MySQL package, use the following command in the terminal:

sudo rpm –ivh mysql80-community-release-el7-1.noarch.rpm

Step 3 :Install MySQL Server

Continue to install MySQL server through yum:

sudo yum install mysql-server

Step 4: Start MySQL

Use the following command to start MySQL:

sudo systemctl start mysqld

2. View MySQL installation path

After installing MySQL, you may want to view its installation path in order to manage it. The installation path of MySQL on Linux systems may vary depending on different distributions, but it is usually installed in the following path:

/usr/bin/mysql

This directory contains the main binary files of the MySQL database, including:

• mysql: used to connect to the MySQL database through the mysql command line client.
• mysqld: used to start the MySQL server.
• mysqladmin: Command line tool for managing MySQL Server.
• mysqlimport: Command line tool for loading data into the database.

In addition to these main MySQL binaries, there are some other files and directories:

/etc/my.cnf: MySQL数据库服务器的主配置文件
/var/lib/mysql: 包括MySQL数据库服务器的数据目录
/var/log/mysqld.log: 包括MySQL服务器的日志文件

3. Modify the MySQL installation path

Sometimes, you need to install MySQL to a non-default location. In this case, you can follow the steps below to modify the MySQL installation path:

Step 1: Stop MySQL

Before modifying the installation path, you need to stop the running MySQL service. You can use the following command to stop MySQL:

sudo systemctl stop mysqld

Step 2: Move the MySQL directory

Move the MySQL directory to the path where you want to install it. For example, if you want to move MySQL to the /usr/local/mysql path, use the following command:

sudo mv /usr/bin/mysql /usr/local/mysql/

Step 3: Modify the my.cnf file

Open my.cnf configuration file, its default path is /etc/my.cnf. If the file does not exist, you can create a new file.

sudo nano /etc/my.cnf

In the my.cnf configuration file, find the following line:

basedir=/usr
datadir=/var/lib/mysql

Modify it to the path you want to use, for example:

basedir=/usr/local/mysql
datadir=/usr/local/mysql/data

Step 4: Start MySQL

Use the following command to start the MySQL service:

sudo systemctl start mysqld

4. Summary

This article introduces how to install MySQL on a Linux system and shows Its installation path. During installation, you may need to use some commands and configuration files, which include:

• sudo rpm –ivh mysql80-community-release-el7-1.noarch.rpm: Installation MySQL software package
• sudo yum install mysql-server: Install MySQL Server through yum
• /usr/bin/mysql: Default MySQL installation path
• /etc/my. cnf: The main configuration file of the MySQL database server
• var/lib/mysql: The data directory of the MySQL server

If you need to install MySQL to a non-default path, you can move it MySQL directory and modify the my.cnf configuration file.

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