CentOS 7 上编译安装MySQL 5.6.23

CentOS7自带MariaDB，将其删掉

rpm -qa | grep mariadb
rpm -e mariadb-libs-5.5.37-1.el7_0.x86_64

1.下载源码

wget http://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.23.tar.gz

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-Dumper

4.进入mysql源码目录，生成makefile

cmake .

5.编译

make

6.安装

sudo make install

mysql将会安装到/usr/local/mysql路径。

7.添加mysql用户和组

sudo groupadd mysql
sudo useradd -r -g mysql mysql

8.修改目录和文件权限，安装默认数据库

cd /usr/local/mysql  
sudo chown -R mysql .  
sudo chgrp -R mysql .  
sudo scripts/mysql_install_db --user=mysql
sudo chown -R root .
sudo chown -R mysql data

至此，mysql就可以启动运行了。

9.启动mysql

在/etc下重建my.cnf文件，内容如下

# 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 &

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 -uroot  
use mysql;  
UPDATE user SET password = PASSWORD(‘test2015‘) WHERE user = ‘root‘;
GRANT ALL PRIVILEGES ON *.* TO root@‘%‘ IDENTIFIED BY ‘passwd2015‘;
FLUSH PRIVILEGES;

至此，安装基本完成了，一个mysql就能用了。

CentOS 7 上编译安装MySQL 5.6.23

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