在CentOS系统上安装和管理数据库可以通过以下步骤进行:
sudo yum update
sudo yum install mysql-server
sudo yum install mariadb-server
sudo systemctl start mysqld
sudo systemctl start mariadb
sudo systemctl enable mysqld
sudo systemctl enable mariadb
sudo mysql_secure_installation
mysql -u root -p
CREATE DATABASE mydatabase;
CREATE USER 'myuser'@'localhost' IDENTIFIED BY 'mypassword';
GRANT ALL PRIVILEGES ON mydatabase.* TO 'myuser'@'localhost';
FLUSH PRIVILEGES;
mysqldump
进行全量备份:/usr/local/mysql/bin/mysqldump -u root -p pytest > /home/pytest.sql
mysql -u root -p test1 < /home/pytest.sql
shared_buffers
、work_mem
等。GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'newpassword' WITH GRANT OPTION;
FLUSH PRIVILEGES;
DROP USER 'anonymous'@'localhost';
FLUSH PRIVILEGES;
以上步骤涵盖了在CentOS上安装、配置、管理和优化MySQL或MariaDB数据库的基本流程。根据具体需求,可能还需要进行更多的定制化配置和优化。