mysql linux installation directory
MySQL is an open source relational database management system that is widely used in Web application development. The Linux installation directory of MySQL is relatively simple. The specific steps are described below.
- Download the MySQL installation package
First you need to download the corresponding version of the installation package from the MySQL official website. It is recommended to download the latest stable version. After downloading, unzip the installation package to a suitable directory, such as the /usr/local directory.
- Installing dependencies
Before installing MySQL, you need to install some necessary dependency libraries. You can use the following command to install:
sudo apt update sudo apt install libaio1 libaio-dev
- Create a MySQL user and group
Create a MySQL user and group for installing and starting the MySQL service:
sudo groupadd mysql sudo useradd -r -g mysql -s /bin/false mysql
- Install MySQL
Use the following command to install MySQL:
sudo tar -zxvf mysql-*.tar.gz -C /usr/local/ sudo ln -s /usr/local/mysql-* /usr/local/mysql sudo chown -R mysql:mysql /usr/local/mysql cd /usr/local/mysql sudo bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data sudo cp support-files/mysql.server /etc/init.d/mysql.server sudo chmod +x /etc/init.d/mysql.server sudo update-rc.d mysql.server defaults
Among them, mysql-*
represents the file name of the MySQL installation package, --user=mysql --basedir=/usr/local/ mysql --datadir=/usr/local/mysql/data
specifies the MySQL data directory.
- Start the MySQL service
Use the following command to start the MySQL service:
sudo service mysql.server start
- Configure MySQL
Enter the MySQL client:
cd /usr/local/mysql/bin ./mysql -uroot -p
When you enter the MySQL client for the first time, the default password is empty and you need to reset the root user password:
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'new_password';
Among them, new_password
is Newly set password.
- Verify the installation and configuration of MySQL
Use the following command to verify the installation and configuration of MySQL:
sudo netstat -anp | grep 3306
If the output contains 3306
means that MySQL is installed successfully.
At this point, the MySQL Linux installation directory is configured. MySQL is a powerful, mature and stable database management system. Installing it using a Linux system can better ensure system stability and data security.
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