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  • mysql 5.7版本安装

    1、下载tar包,这里使用wget从官网下载

    wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz
    

     

    2、将mysql安装到/usr/local/mysql下
    # 解压

    tar -xvf mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz

    # 移动

    mv mysql-5.7.22-linux-glibc2.12-x86_64 /usr/local/

    # 重命名

    mv /usr/local/mysql-5.7.22-linux-glibc2.12-x86_64 /usr/local/mysql

    3、新建data目录

    mkdir /usr/local/mysql/data

    4、新建mysql用户、mysql用户组
    # mysql用户组

    groupadd mysql

    # mysql用户

    useradd mysql -g mysql

    5、将/usr/local/mysql的所有者及所属组改为mysql

    chown -R mysql.mysql /usr/local/mysql

    6、配置

    /usr/local/mysql/bin/mysql_install_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data
    出现错误执行:
    /usr/local/mysql/bin/mysqld --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data --initialize
    错误是如下:
    /usr/local/mysql/bin/mysqld: error while loading shared libraries: libnuma.so.1: cannot open shared object file: No such file or directory
    执行:
    yum -y install numactl
    # 完成后继续安装
    /usr/local/mysql/bin/mysqld --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data --initialize

     

    [mysqld]
    datadir=/usr/local/mysql/data
    basedir=/usr/local/mysql
    socket=/tmp/mysql.sock
    user=mysql
    port=3306
    character-set-server=utf8
    # 取消密码验证
    skip-grant-tables
    # Disabling symbolic-links is recommended to prevent assorted security risks
    symbolic-links=0
    # skip-grant-tables
    [mysqld_safe]
    log-error=/var/log/mysqld.log
    pid-file=/var/run/mysqld/mysqld.pid

    7、开启服务
    # 将mysql加入服务

    cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql

    # 开机自启

    chkconfig mysql on

    # 开启

    service mysql start
    #查看初始密码
    命令:cat /root/.mysql_secret

    #登录

    命令:bin/mysql -uroot -p
    或者起别名:
    alias mysql='/usr/local/mysql/bin/mysql'
    vim ~/.bashrc
    alias mysql='/usr/local/mysql/bin/mysql'
    source ~/.bashrc
    登录:mysql -u root -p

    8、允许远程连接

    mysql -u root -p
    >>use mysql;
    >>update user set host='%' where user = 'root';
    >>flush privileges;
    >>eixt;
    

      

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  • 原文地址:https://www.cnblogs.com/t-ym/p/11826244.html
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