CentOS7安装mysql5.7.11

yum update
yum install wget
wget http://repo.mysql.com/mysql57-community-release-el7-7.noarch.rpm rpm -ivh mysql57-community-release-el7-7.noarch.rpm
yum update
yum install mysql-server

vi /etc/my.cnf
port=3306
datadir=/data/mysqldb/mysqldata3306

yum install policycoreutils-python

service mysqld stop
rm -rf /data/mysqldb/mysqldata3306
mkdir -p /data/mysqldb/mysqldata3306
chcon -R -tmysqld_db_t /data/mysqldb/mysqldata3306
semanage fcontext -a -tmysqld_db_t /data/mysqldb/mysqldata3306
>/var/log/mysqld.log
mysqld --initialize --user=mysql --datadir=/data/mysqldb/mysqldata3306
cat /var/log/mysqld.log|grep root@localhost
service mysqld start

mysql -uroot -p
SET PASSWORD=PASSWORD('');
GRANT ALL PRIVILEGES ON *.* TO 'adm'@'%' IDENTIFIED BY '123' WITH GRANT OPTION;