1.下载源码
wgethttp://dev.MysqL.com/get/Downloads/mysql-5.6/mysql-5.6.23.tar.gz
2.解压
tarzxvfmysql-5.6.23.tar.gz
3..安装必要的包
sudoyuminstallcmakegcc-c++ncurses-develperl-Data-Dumper
cmake
5.编译
make
6.安装
sudomakeinstall
sudogroupaddMysqL
cd/usr/local/MysqL
sudochown-RMysqL.
sudochgrp-RMysqL.
sudoscripts/MysqL_install_db--user=MysqL
sudochown-Rroot.
sudochown-RMysqLdata
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/etc
sudorm-frmy.cnfmy.cnf.d
# For advice on how to change settings please see
# http://dev.MysqL.com/doc/refman/5.6/en/server-configuration-defaults.html
[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 = 10000
sql_mode = NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
#binary log
log-bin = MysqL-bin
binlog_format = mixed
expire_logs_day = 30
#slow query log
slow_query_log = 1
slow_query_log_file = /var/log/MysqL/slow.log
long_query_time = 3
log-queries-not-using-indexes
log-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&
sudochmoda+x/etc/rc.d/rc.local
10.修改root密码
/usr/loca/MysqL/bin/MysqL -uroot
use MysqL;
UPDATE user SET password = PASSWORD('test2015') WHERE user = 'root';
GRANT ALL PRIVILEGES ON *.* TO root@'%' IDENTIFIED BY 'passwd2015';
//开放远程连接权限
grant all PRIVILEGES on db_name.* to 'root'@'123.207.249.146' identified by 'Root123456' WITH GRANT OPTION;
FLUSHPRIVILEGES;
原文地址：https://www.jb51.cc/centos/380090.html
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