1.下载源码
wget 2.解压tar zxvf mysql-5.6.23.tar.gz
3.安装必要的包
sudo yum install cmake gcc-c++ ncurses-devel perl-Data-Dumper4.进入mysql源码目录，生成makefilecmake .5.编译make6.安装sudo make installmysql将会安装到/usr/local/mysql路径。
7.添加mysql用户和组
sudo groupadd mysqlsudo useradd -r -g mysql mysql8.修改目录和文件权限，安装默认数据库cd /usr/local/mysqlsudo chown -R mysql .sudo chgrp -R mysql .sudo scripts/mysql_install_db –user=mysqlsudo chown -R root .sudo chown -R mysql data
至此，mysql就可以启动运行了。
9.启动mysql
CentOS7自带MariaDB的支持，/etc下默认存在my.cnf文件干扰mysql运行，需要先删掉
cd /etcsudo rm -fr my.cnf my.cnf.d
然后再/etc下重建my.cnf文件，内容如下# For advice on how to change settings please see# [mysqld]# Remove leading # and set to the amount of RAM for the most important data# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.# innodb_buffer_pool_size = 128M# Remove leading # to turn on a very important data integrity option: logging# changes to the binary log between backups.# log_bin# These are commonly set, remove the # and set as required.# basedir = …..# datadir = /data/mysql/data# port = …..# server_id = …..# socket = …..# Remove leading # to set options mainly useful for reporting servers.# The server defaults are faster for transactions and fast SELECTs.# Adjust sizes as needed, experiment to find the optimal values.# join_buffer_size = 128M# sort_buffer_size = 2M# read_rnd_buffer_size = 2M max_connection = 10000sql_mode = NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES #binary log log-bin = mysql-binbinlog_format = mixedexpire_logs_day = 30#slow query log slow_query_log = 1slow_query_log_file = /var/log/mysql/slow.loglong_query_time = 3log-queries-not-using-indexeslog-slow-admin-statements现在可以启动mysql了sudo /usr/local/mysql/bin/mysqld_safe –user=mysql &CentOS7 不能使用service控制mysql服务，而源码安装的mysql也没有提供Systemd的控制脚本。
于是编辑/etc/rc.d/rc.local文件，，添加mysql的开机启动命令。
/usr/local/mysql/bin/mysqld_safe –user=mysql &然后给/etc/rc.d/rc.local添加可执行权限sudo chmod a+x /etc/rc.d/rc.local
9.修改root密码
/usr/loca/mysql/bin/mysql -urootuse mysql;UPDATE user SET password = PASSWORD('test2015') WHERE user = 'root';GRANT ALL PRIVILEGES ON *.* TO root@'%' IDENTIFIED BY 'stcm2015';FLUSH PRIVILEGES;
至此，安装基本完成了，一个mysql就能用了。
每一个成功者都有一个开始。勇于开始，才能找到成功的路。
