# groupadd mysql

# useradd -g mysql -s /bin/nologin mysql -M 

# rpm -qa | grep mysql
mysql-libs-5.1.73-3.el6_5.x86_64
# rpm -e mysql-libs-5.1.73-3.el6_5.x86_64 --nodeps

# yum -y install wget gcc-c++ ncurses-devel cmake 

# tar xf mysql-boost-5.7.18.tar.gz
# cd mysql-5.7.18
# cmake -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -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 -DWITH_READLINE=1 -DENABLED_LOCAL_INFILE=1 -DMYSQL_USER=mysql -DMYSQL_TCP_PORT=3306 -DWITH_BOOST=boost/boost_1_59_0
# make && make install

# cd /usr/local/mysql
# mkdir data

# chown -R mysql. /usr/local/mysql 

# ./mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data

# /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld

# vim /etc/my.cnf
[mysqld]
basedir =/usr/local/mysql
datadir =/usr/local/mysql/data
port = 3306
socket = /tmp/mysql.sock
[client]
socket=/tmp/mysql.sock 

# /etc/init.d/mysqld start 

# /usr/local/mysql/bin/mysql -uroot -p系统生成的密码 

mysql>set password = password(‘新密码‘);
mysql>flush privileges;
mysql>exit

# /usr/local/mysql/bin/mysql -uroot -p‘新密码'