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  • yum 安装的mysql8多实例

    1. 初始化的时候,不需要指定basedir。yum安装的默认会去/usr/share/mysql-8.0/,指定basedir后会报错Can't find error-message file。
      初始化命令:
    # /usr/sbin/mysqld --defaults-file=/etc/sitmy.cnf --user=mysql  --datadir=/var/lib/mysql3307/data --initialize-insecure
    
    1. mysql8的配置需要增加mysqlx插件配置:
      mysqlx_port = 33070 和 mysqlx_socket=mysqlx.sock路径
    # grep -v "#" /etc/sitmy.cnf 
    [client]
    port=3307
    [mysqld]
    port=3307
    mysqlx_port = 33070
    lower_case_table_names = 1
    datadir=/var/lib/mysql3307/data
    socket=/var/lib/mysql3307/mysql.sock
    mysqlx_socket=/var/lib/mysql3307/mysqlx.sock
    
    log-error=/var/log/mysqld3307.log
    pid-file=/var/run/mysqld/mysqld3307.pid
    [root@vonedao1 data]# pwd
    /var/lib/mysql3307/data
    

    3 . 启动命令:

    # /usr/sbin/mysqld --defaults-file=/etc/sitmy.cnf --user=mysql&
    
    1. 检查

    2. 登录

    # mysql -uroot -S /var/lib/mysql3307/mysql.sock
    Welcome to the MySQL monitor.  Commands end with ; or g.
    Your MySQL connection id is 9
    Server version: 8.0.19 MySQL Community Server - GPL
    
    Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.
    
    Oracle is a registered trademark of Oracle Corporation and/or its
    affiliates. Other names may be trademarks of their respective
    owners.
    
    Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
    
    mysql> show databases;
    +--------------------+
    | Database           |
    +--------------------+
    | information_schema |
    | mysql              |
    | performance_schema |
    | sys                |
    +--------------------+
    4 rows in set (0.01 sec)
    
    mysql> 
    
    1. 添加用户并授权
    mysql> use mysql;
    mysql> create user 'sit'@'%' identified by '密码';
    mysql> ALTER USER 'sit'@'%' IDENTIFIED BY '密码' PASSWORD EXPIRE NEVER;
    mysql> ALTER USER 'sit'@'%' IDENTIFIED WITH mysql_native_password BY '密码';
    mysql> grant all privileges on *.* to 'sit'@'%';
    mysql> flush privileges;
    
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  • 原文地址:https://www.cnblogs.com/zoujiaojiao/p/12792704.html
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