CentOS 7.2二进制安装mysql-5.7.19

# cd /usr/local/src
# wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.19-linux-glibc2.12-x86_64.tar.gz

# yum search libaio
# yum install libaio

# groupadd mysql
# useradd -r -g mysql -s /bin/false mysql

# tar xf mysql-5.7.19-linux-glibc2.12-x86_64.tar.gz
# mv mysql-5.7.19-linux-glibc2.12-x86_64 /usr/local/mysql-5.7.19
# ln -s /usr/local/mysql-5.7.19/ /usr/local/mysql

# export PATH=$PATH:/usr/local/mysql/bin
# echo "export PATH=$PATH:/usr/local/mysql/bin" >>/etc/profile
# source /etc/profile

# cd /usr/local/mysql
# mkdir mysql-files
# chown -R mysql.mysql mysql-files/
# chmod 750 mysql-files/
# ./bin/mysqld --initialize --user=mysql
# ./bin/mysql_ssl_rsa_setup 

# mkdir /var/log/mariadb/
# touch /var/log/mariadb/mariadb.log
# chown -R mysql.mysql /var/log/mariadb/mariadb.log
# mkdir /var/run/mariadb/ -p
# touch /var/run/mariadb/mariadb.pid
# chown -R mysql.mysql /var/run/mariadb/

# cp support-files/mysql.server /etc/init.d/mysqld
# chmod +x /etc/init.d/mysqld

# /etc/init.d/mysqld start

[root@db01-36 ~]# head /etc/my.cnf
[mysqld]
skip-grant-tables        #在my.cnf配置键的[mysqld]下添加skip-grant-tables

/etc/init.d/mysqld restart 

mysql -S/var/lib/mysql/mysql.sock

update mysql.user set authentication_string=password(‘新密码‘) where user=‘root‘ and Host = ‘localhost‘;

[root@db01-36 ~]# head /etc/my.cnf
[mysqld]
#skip-grant-tables          #删除或者用#号注释都可以

mysql -uroot -p新密码 -S/var/lib/mysql/mysql.sock

mysql> show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.          #查看数据库时报错

mysql> set password for ‘root‘@‘localhost‘=password(‘新密码‘);       #新密码和前面设置的新密码要一致

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
发现已经可以正常访问了！！！