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  • 安装mysql数据库-centos7

    mysql官网下载地址:https://dev.mysql.com/downloads/mysql/

    参考安装:https://blog.51cto.com/snowlai/2140451?source=dra

     

    1、查看是否有旧版本的mysql

    rpm -qa | grep mysql

    2、卸载

    yum remove mariadb-libs.x86_64 (其中mariadb-libs.x86_64为包名)

    3、下载mysql压缩包

    https://dev.mysql.com/downloads/mysql/ 注意:下载带boost的包:mysql-boost-8.0.11.tar.gz

    4、安装依赖包(root用户下)

    yum -y install make gcc-c++ cmake bison-devel ncurses-devel

    5、创建mysql用户及组,只用于服务,不可用于登录(root用户下)

    groupadd mysql
    
    useradd -g mysql mysql -M -s /sbin/nologin

    6、检查包的完整性

    md5sum mysql-boost-8.0.11.tar.gz

    7、解压mysql包(root权限)

    tar -zxvf mysql-boost-8.0.11.tar.gz -C /usr/local

    8、运行cmake

    cmake 
    
    -DFORCE_INSOURCE_BUILD = 1
    
    -DDOWNLOAD_BOOST=1 
    
    -DWITH_BOOST=/usr/local/src/mysql-8.0.17/boost 
    
    -DWITH_DEBUG=1 
    
    -DCMAKE_INSTALL_PREFIX=/usr/local/src/mysql-8.0.17/mysql 
    
    -DMYSQL_DATADIR=/usr/local/src/mysql-8.0.17/mysql/data 
    
    -DSYSCONFDIR=/etc 
    
    -DEFAULT_CHARSET=utf8mb4 
    
    -DDEFAULT_COLLATION=utf8mb4_general_ci 
    
    -DENABLED_LOCAL_INFILE=1 
    
    -DEXTRA_CHARSETS=all
    
    cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/mysql-DMYSQL_DATADIR=/usr/local/mysql/data -DSYSCONFDIR=/etc -DMYSQL_TCP_PORT=3306 -DWITH_BOOST=/usr/local/mysql-8.0.17/boost
    
    解释其含义:
    
    DCMAKE_INSTALL_PREFIX=/usr/local/mysql #cmake预编译
    
    DMYSQL_DATADIR=/usr/local/mysql/data #MySQL数据库存放路径
    
    DSYSCONFDIR=/etc #配置文件路径
    
    DWITH_MYISAM_STORAGE_ENGINE=1 #开启MYISAM引擎支持
    
    DWITH_INNOBASE_STORAGE_ENGINE=1 #开启InnoDB引擎支持
    
    DWITH_MEMORY_STORAGE_ENGINE=1 #开启MEMORY引擎支持
    
    DWITH_PARTITION_STORAGE_ENGINE=1 #开启PARTITION引擎支持
    
    DWITH_READLINE=1 #启用快捷键功能
    
    DMYSQL_UNIX_ADDR=/var/lib/mysql/mysql.sock #socket通信文件为至
    
    DMYSQL_TCP_PORT=3306 #MySQL监听端口
    
    DMYSQL_USER=mysql #mysql运行用户
    
    DENABLED_LOCAL_INFILE=1 #允许从本地导入数据
    
    DEXTRA_CHARSETS=all #安装所有扩展字符集
    
    DDEFAULT_CHARSET=utf8 #默认字符集为utf8
    
    DDEFAULT_COLLATION=utf8_general_ci #检查字符
    
     

    9、删除或重命名CMakeCache.txt

    mv CMakeCache.txt CMakeCache.txt.bk

    10、编译

    make
    
    make install

    11、切换目录/usr/local/mysql/bin下,初始化mysql,此时用户名密码为空

    ./mysqld --initialize-insecure --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data

    12、配置启动脚本

    cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld
    
    chkconfig --add mysqld
    
    chkconfig mysqld on

    13、启动mysql

    service mysqld start
    
    输出结果:Starting MySQL SUCCESS!

    14、验证进程

    ps -ef | grep mysqld

    15、本机登录数据库

    ./mysql -uroot -p

    16、查看使用的数据库引擎

    mysql> SHOW ENGINES;

    17、查看创建的数据库

    mysql> show databases;

    18、更新数据库用户名密码

    ALTER USER 'root'@'localhost' IDENTIFIED BY 'NEW_PASSWORD';
    
    ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER;
    
    flush privileges;
    

    QA

    Q1、出现如下问题,是gcc版本过低 

    A:

    1、gcc版本过低,mysql8.X版本要求gcc版本为5.3以上版本,centos7默认gcc版本为4.8

    升级到6.3

    yum -y install centos-release-scl

    yum -y install devtoolset-6-gcc devtoolset-6-gcc-c++ devtoolset-6-binutils

    scl enable devtoolset-6 bash

    //注意:此时 如果关闭shell则gcc会恢复原来版本号

    echo "source /opt/rh/devtoolset-7/enable" >>/etc/profile

    //执行这句后 则长期更改为6.3版本

     

    2、更新cmake3

    1、下载cmake3

    wget https://cmake.org/files/v3.10/cmake-3.10.0-rc3.tar.gz

    2、解压cmake源码包

    tar -zxvf cmake-3.10.0-rc3.tar.gz

    3、进入目录,设置,编译,链接

    cd cmake-3.10.0-rc3/

    ./bootstrap

    gmake

    gmake install

    4、编译

    hash -r

    5、查看版本

    cmake --version

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  • 原文地址:https://www.cnblogs.com/itstone/p/11766236.html
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