此种方式安装非常简单
cd /usr/local
下载安装包
wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz
解压
tar -zxvf mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz
[root@www local]# pwd
/usr/local
[root@www local]# mv mysql-5.7.17-linux-glibc2.5-x86_64 mysql
cd mysql
mkdir -p /data/mysql/data
创建mysql 用户
useradd mysql -s /sbin/nologin -M(没有家目录)
chown -R mysql.mysql /data/mysql
./bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql/data
提示初始密码：
2017-03-29T15:09:12.116410Z 1 [Note] A temporary password is generated for root@localhost: ew/Wx(<Z>43l
拷贝启动脚本文件
cp support-files/mysql.server /etc/init.d/mysqld
设置开机启动
chkconfig mysqld on
chkconfig --list|grep mysqld
chmod 755 /etc/init.d/mysqld
配置环境变量
echo 'PATH=/usr/local/mysql/bin/:$PATH' >> /etc/profile
. /etc/profile
编辑my.cnf
[mysqld]
datadir=/data/mysql/data
socket=/tmp/mysql.sock
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# Settings user and group are ignored when systemd is used.
# If you need to run mysqld under a different user or group,
# customize your systemd unit file for mariadb according to the
# instructions in http://fedoraproject.org/wiki/Systemd
[mysqld_safe]
log-error=/data/mysql/log/mariadb/mariadb.log
pid-file=/data/mysql/run/mariadb/mariadb.pid
#
# include all files from the config directory
#
!includedir /etc/my.cnf.d
创建/data/mysql/log/xxx.log
启动mysql
进入MySQL ：
mysql -uroot -p ew/Wx(<Z>43l
修改密码
alter user 'root'@'localhost' identified by '123456';
flush privileges;
grant all privileges on *.* to 'root'@'%' identified by '123456';
FLUSH PRIVILEGES;