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  • 升级MySQL至最新版本

    yum 源安装的进行更新

    # 下载安装yum源
    cd /usr/local/src
    wget https://repo.mysql.com//mysql80-community-release-el7-3.noarch.rpm
    rpm -ivh mysql80-community-release-el7-3.noarch.rpm
    # 若只升级至5.7则进行修改 8.0无需修改
    cd /etc/yum.repos.d
    # 编辑该源,将5.7下的启用属性改为1; 8.0下的改为0
    vi mysql-community.repo
    # 开始更新
    yum makecache
    yum update mysql-server mysql -y
    

    编译安装的进行更新

    # 下载安装yum源
    cd /usr/local/src
    wget https://repo.mysql.com//mysql80-community-release-el7-3.noarch.rpm
    rpm -ivh mysql80-community-release-el7-3.noarch.rpm
    # 若只升级至5.7则进行修改 8.0无需修改
    cd /etc/yum.repos.d
    # 编辑该源,将5.7下的启用属性改为1; 8.0下的改为0
    vi mysql-community.repo
    
    # 开始更新
    yum makecache
    yum install mysql-server mysql -y 
    # 如果之前用yum更新过,建议自己看一下rpm备份的文件
    cp /etc/my.cnf.rpmsave /etc/my.cnf
    
    # 如果使用编译安装到/usr/local/mysql/data目录,启动报错的,可以尝试将数据迁移至/var/lib/mysql再次启动
    cp -r /usr/local/mysql/data/* /var/lib/mysql
    chmod 777 -R /var/lib/mysql
    
    # 启动&自启
    systemctl restart mysqld
    systemctl enable mysqld
    
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  • 原文地址:https://www.cnblogs.com/hyry/p/14830565.html
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