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  • MySQL5.7安装

    MySQL5.7安装

    1.安装rpm包环境

    [root@harbor02#>> ~]#yum install -y https://repo.mysql.com//mysql57-community-release-el7-11.noarch.rpm
    

    2.安装MySQL5.7

    [root@harbor02#>> ~]#yum install mysql-community-server.x86_64  mysql-devel
    

    3.启动

    [root@harbor02#>> ~]#systemctl start mysqld.service 
    

    4.查找登录密码

    [root@harbor02#>> ~]#cat /var/log/mysqld.log |grep password
    2018-09-14T17:02:01.956752Z 1 [Note] A temporary password is generated for root@localhost: dMF!iOrrF2i;
    

    5.登录

    [root@harbor02#>> ~]#mysql -h 127.0.0.1 -uroot -p
    

    6.修改密码

    mysql> set password for root@localhost = password('A-bc789456');
    Query OK, 0 rows affected, 1 warning (0.00 sec)
    

    7.修改默认字符集

    # vim /etc/my.cnf
    [client]
    default-character-set=utf8
    
    [mysqld]
    character-set-server=utf8
    collation-server=utf8_general_ci
    

    不建议操作

    1.自己测试环境不想设置太负载密码可以关闭密码复杂度要求

    # 查找mysqld 命令路径
    [root@server_node01#>> /usr/local/src]#which mysqld
    /usr/sbin/mysqld
    
    # 查找该安装包
    [root@server_node01#>> /usr/local/src]#rpm -qf /usr/sbin/mysqld
    mysql-community-server-5.7.24-1.el7.x86_64
    
    # 查找mysqld 的配置文件 my.cnf
    [root@server_node01#>> /usr/local/src]#rpm -ql mysql-community-server-5.7.24-1.el7.x86_64 |grep my.cnf
    /etc/my.cnf
    

    2.修改my.cnf

    # 末尾处添加策略为 off 
    [mysqld]
    validate_password=off
    

    3.重启mysqld 重新登录即可修改简单密码

    [root@server_node01#>> /usr/local/src]#systemctl restart mysqld.service 
    
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  • 原文地址:https://www.cnblogs.com/baolin2200/p/9647831.html
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