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  • CentOS 8 安装mysql8 流程

    去官网找到自己要安装的mysql版本,网址:https://dev.mysql.com/downloads/mysql/

    找到对应版本,复制下载链接

    然后用wget进行安装:

    mkdir mysql
    cd mysql
    wget https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-8.0.22-1.el8.x86_64.rpm-bundle.tar
    

    下载完成后,使用tar命令进行解压,解压出来是散的,所以需要提前新建一个文件夹

    tar -xvf mysql-8.0.22-1.el8.x86_64.rpm-bundle.tar
    

    安装步骤,以下需要按顺序进行安装

    # 安装依赖
    yum install libaio net-tools perl
    yum install perl-JSON.noarch -y
    
    # 按顺序安装mysql的各个组件(需要按顺序安装,否则会安装失败)
    rpm -ivh mysql-community-common-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-devel-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-debuginfo-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-debugsource-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-libs-debuginfo-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-server-debug-debuginfo-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-server-debuginfo-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-client-debuginfo-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-client-plugins-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-client-plugins-debuginfo-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-test-debuginfo-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-libs-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-client-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-server-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-server-debug-8.0.22-1.el8.x86_64.rpm
    rpm -ivh mysql-community-test-8.0.22-1.el8.x86_64.rpm
    

    如果出现错误可以根据日志内容来判断,如:

    https://blog.csdn.net/aiyowei1106/article/details/88703746
    

    如果没有启动使用cat来查看日志

    cat /var/log/mysqld/log
    

    开启mysql服务

    service mysqld start
    

    查看服务是否启动

    service mysqld status
    

    停止mysql服务

    service mysqld stop
    

    正常启动的情况显示这样

    查看mysql初始密码:

    grep 'temporary password' /var/log/mysqld.log
    

    初始密码是最后面那个YZxd-*)q720J

    进入mysql

    mysql -u root -p
    YZxd-*)q720J
    

    修改密码

    set password for 'root'@'localhost' = password('root123');
    

    以下是开启远程连接的步骤

    设置mysql用户的加密方式为mysql_native_password

    ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'Mysql_888';
    

    将mysql设置为任何ip都可以访问,不建议使用root用户来作为访问的用户,可以新建一个用户来作为远程访问用户

    GRANT ALL PRIVILEGES ON *.* TO 'root'@'%';
    

    刷新权限

    flush privileges;
    

    打开防火墙

    service firewalld start
    

    开放端口

    firewall-cmd --zone=public --add-port=3307/tcp --permanent
    

    重载防火墙,让修改生效

    firewall-cmd --reload
    

    现在就可以正常使用了...

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  • 原文地址:https://www.cnblogs.com/datom/p/14256298.html
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