cd /usr/local/src/

wget https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.23-linux-glibc2.12-x86_64.tar.gz

groupadd mysql

useradd -g mysql mysql

passwd mysql

mkdir -p /usr/local/mysql/

mkdir -p /usr/local/mysql/data

mkdir -p /usr/local/mysql/etc

mkdir -p /usr/local/mysql/log

chown -R mysql:mysql /usr/local/mysql/

yum install libaio numactl

su - mysql

cd /usr/local/src/

tar -xzvf mysql-5.7.-linux-glibc2.-x86_64.tar.gz

mv /usr/local/src/mysql-5.7.-linux-glibc2.-x86_64/* /usr/local/mysql/

cat > /usr/local/mysql/etc/my.cnf << EOF

[client]

port =

socket=/usr/local/mysql/mysql.sock

[mysqld]

character_set_server=utf8

init_connect='SET NAMES utf8'

basedir=/usr/local/mysql

datadir=/usr/local/mysql/data

socket=/usr/local/mysql/mysql.sock

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

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

lower_case_table_names =  #不区分大小写

sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION

max_connections=

default-time_zone = '+8:00'

EOF

/usr/local/mysql/bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data
grep 'temporary password' mysqld.log   #记录默认密码

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

chkconfig --add mysqld

chkconfig --list

systemctl start mysqld

[mysql@mysql log]$ mysql -uroot -p

Enter password:

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is

Server version: 5.7.

Copyright (c) , , Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> show databases;

ERROR  (HY000): You must reset your password using ALTER USER statement before executing this statement.

mysql> SET PASSWORD = PASSWORD('abc123');

Query OK,  rows affected,  warning (0.01 sec)

mysql>  UPDATE `mysql`.`user` SET `Host` = '%',  `User` = 'root'  WHERE (`Host` = 'localhost') AND (`User` = 'root');

Query OK,  row affected (0.00 sec)

Rows matched:   Changed:   Warnings: 

mysql>  flush privileges;

Query OK,  rows affected (0.00 sec)

mysql> quit

Bye