[root@localhost ~]#wget http://dev.mysql.com/Downloads/MySQL-5.7/mysql-5.7.12.tar.gz

[root@localhost ~]#wget  https://sourceforge.net/projects/boost/files/boost/1.59.0/boost_1_59_0.tar.gz/download

[root@localhost ~]#yum -y remove mysql-* boost-*

[root@localhost ~]#rpm -qa mysql

[root@localhost ~]#rpm -qa boost

[root@localhost ~]#yum -y install gcc gcc-c++ ncurses ncurses-devel bison libgcrypt perl cmake

[root@localhost ~]#tar -xf boost_1_59_0.tar.gz -C /usr/local/boost/

[root@localhost ~]#groupadd mysql

[root@localhost ~]#useradd -r -g mysql mysql

[root@localhost ~]#id mysql

[root@localhost ~]#tar -xf mysql-5.7.12.tar.gz -C /usr/src

[root@localhost ~]#cd /usr/src/mysql-5.7.12

[root@localhost mysql-5.7.12]#cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DMYSQL_DATADIR=/usr/local/mysql/data -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -DMYSQL_TCP_PORT=3306 -DMYSQL_USER=mysql -DWITH_MYISAM_STORAGE_ENGINE=1 -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_ARCHIVE_STORAGE_ENGINE=1 -DWITH_BLACKHOLE_STORAGE_ENGINE=1 -DWITH_MEMORY_STORAGE_ENGINE=1 -DENABLE_DOWNLOADS=1 -DDOWNLOAD_BOOST=1 -DWITH_BOOST=/usr/local/boost -DSYSCONFDIR=/etc
[root@localhost mysql-5.7.12]#make && make install

[root@localhost mysql-5.7.12]#chown -R mysql:mysql /usr/local/mysql        #赋权

[root@localhost mysql-5.7.12]#cp /usr/src/mysql-5.7.12/support-files/my-default.cnf /etc/my.cnf        #复制配置文件

[root@localhost mysql-5.7.12]#cp /usr/src/mysql-5.7.12/support-files/mysql.server /etc/init.d/        #复制启动脚本到系统服务目录下

[root@localhost mysql-5.7.12]#chmod +x /etc/init.d/mysql.server        #添加可执行权限

[root@localhost mysql-5.7.12]#cat <<END >>/usr/lib/systemd/system/mysqld.service     

[Unit]

Description=mysqldapi

After=network.target

[Service]

Type=forking

PIDFile=/usr/local/mysql/logs/mysqld.pid

ExecStart=/etc/init.d/mysql.server start

ExecReload=/etc/init.d/mysql.server restart

ExecStop=/etc/init.d/mysql.server stop

PrivateTmp=Flase

[Install]

WantedBy=multi-user.target

END

[root@localhost mysql-5.7.12]#echo "export PATH=$PATH:/usr/local/mysql/bin/" >>/etc/profile && source /etc/profile        #将MySQL的命令添加到环境变量

[root@localhost mysql-5.7.12]#mysqld --initialize-insecure --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data        #初始化MySQL

[root@localhost mysql-5.7.12]#cat <<END >/etc/my.cnf

[mysqld]

basedir = /usr/local/mysql

datadir = /usr/local/mysql/data

port = 3306

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

character_set_server=utf8

init_connect=‘SET NAMES utf8‘

log-error=/usr/local/mysql/logs/mysqld.log

pid-file=/usr/local/mysql/logs/mysqld.pid

END

[root@localhost mysql-5.7.12]#mkdir /usr/local/mysql/logs && chown mysql:mysql /usr/local/mysql/logs/        #创建MySQLlog文件并重新赋权

[root@localhost mysql-5.7.12]#systemctl start mysqld        #启动服务

[root@localhost mysql-5.7.12]#systemctl enable mysqld        #设置开机自启

[root@localhost mysql-5.7.12]#mysql        #初始化之后默认没有密码，直接输入mysql就可以登陆了

[root@localhost mysql-5.7.12]#alter user ‘root‘@‘localhost‘ identified by ‘root‘;        #修改密码