一、环境介绍
（1）系统环境介绍：
[[email protected] ~]# uname -a
Linux linux-node2 3.10.0-693.5.2.el7.x86_64 #1 SMP Fri Oct 20 20:32:50 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
[[email protected] ~]# cat /etc/redhat-release
CentOS Linux release 7.4.1708 (Core)
（2）MySQL 5.6.x版本下载
下载地址：http://mirrors.sohu.com/mysql/MySQL-5.6/二、MySQL安装
（1）解压
[[email protected] ~]# tar -zxvf mysql-5.6.12-linux-glibc2.5-x86_64.tar.gz -C /usr/local/mysql-5.6.12（2）创建软链接
[[email protected] ~]# ln -sv /usr/local/mysql-5.6.12 /usr/local/mysql（3）创建mysql 用户
[[email protected] ~]# useradd -M -s /sbin/nologin mysql（4）创建目录结构和授权
[[email protected] ~]# mkdir /data/{3306,3307}/ -p
[[email protected] ~]# chown -R mysql.mysql /data（5）初始化数据库
[[email protected] ~]# /usr/local/mysql/scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/data/3306/data
[[email protected] ~]# /usr/local/mysql/scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/data/3307/data（6）修改配置
[[email protected] mysql]# vim /data/3306/my.cnf
[client]
port = 3306
socket = /data/3306/mysql3306.sock
[mysqld]
port = 3306
socket = /data/3306/mysql3306.sock
datadir = /data/3306/data
[[email protected] mysql]# vim /data/3307/my.cnf
[client]
port = 3307
socket = /data/3307/mysql3307.sock
[mysqld]
port = 3307
socket = /data/3307/mysql3307.sock
datadir = /data/3307/data（7）启动多实例
[[email protected] mysql]# /usr/local/mysql/bin/mysqld_safe --defaults-file=/data/3306/my.cnf &
[[email protected] mysql]# /usr/local/mysql/bin/mysqld_safe --defaults-file=/data/3307/my.cnf &
[[email protected] mysql]# netstat -tulnp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 1865/nginx: worker
tcp 0 0 0.0.0.0:8081 0.0.0.0:* LISTEN 1865/nginx: worker
tcp 0 0 0.0.0.0:8082 0.0.0.0:* LISTEN 1865/nginx: worker
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 866/sshd
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 2235/master
tcp 0 0 127.0.0.1:9000 0.0.0.0:* LISTEN 22597/php-fpm: mast
tcp6 0 0 :::3307 :::* LISTEN 11221/mysqld
tcp6 0 0 :::22 :::* LISTEN 866/sshd
tcp6 0 0 ::1:25 :::* LISTEN 2235/master
tcp6 0 0 :::3306 :::* LISTEN 10903/mysqld （8）修改密码
[[email protected] ~]# mysqladmin -u root password "123456" -S /data/3306/mysql3306.sock
[[email protected] ~]# mysqladmin -u root password "654321" -S /data/3307/mysql3307.sock（9）登陆数据库
[[email protected] ~]# mysql -uroot -p -S /data/3306/mysql3306.sock
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.12 MySQL Community Server (GPL)
Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others.
Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.
MySQL [(none)]> quit;
Bye
[[email protected] ~]# mysql -uroot -p -S /data/3307/mysql3307.sock
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.12 MySQL Community Server (GPL)
Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others.
Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.
MySQL [(none)]> quit;
Bye三、MySQL多实例启动脚本
[[email protected] ~]# cat /data/3306/mysql
#!/bin/sh
#init
port=3306
mysql_user="root"
mysql_pwd="123456"
CmdPath="/usr/local/mysql/bin"
mysql_sock="/data/${port}/mysql3306.sock"
#startup function
function_start_mysql()
{
if [ ! -e "$mysql_sock" ];then
printf "Starting MySQL...\n"
${CmdPath}/mysqld_safe --defaults-file=/data/${port}/my.cnf 2>&1 >/dev/null &
else
printf "MySQL is running...\n"
exit
fi
}
#stop function
function_stop_mysql()
{
if [ ! -e "$mysql_sock" ];then
printf "MySQL is stopped...\n"
exit
else
printf "Stoping MySQL...\n"
${CmdPath}/mysqladmin -u ${mysql_user} -p${mysql_pwd} -S /data/${port}/mysql3306.sock shutdown
fi
}
#restart function
function_restart_mysql()
{
printf "Restarting MySQL...\n"
function_stop_mysql
sleep 2
function_start_mysql
}
case $1 in
start)
function_start_mysql
;;
stop)
function_stop_mysql
;;
restart)
function_restart_mysql
;;
*)
printf "Usage: /data/${port}/mysql {start|stop|restart}\n"
esac[[email protected] ~]# cat /data/3307/mysql
#!/bin/sh
#init
port=3307
mysql_user="root"
mysql_pwd="654321"
CmdPath="/usr/local/mysql/bin"
mysql_sock="/data/${port}/mysql3307.sock"
#startup function
function_start_mysql()
{
if [ ! -e "$mysql_sock" ];then
printf "Starting MySQL...\n"
${CmdPath}/mysqld_safe --defaults-file=/data/${port}/my.cnf 2>&1 >/dev/null &
else
printf "MySQL is running...\n"
exit
fi
}
#stop function
function_stop_mysql()
{
if [ ! -e "$mysql_sock" ];then
printf "MySQL is stopped...\n"
exit
else
printf "Stoping MySQL...\n"
${CmdPath}/mysqladmin -u ${mysql_user} -p${mysql_pwd} -S /data/${port}/mysql3307.sock shutdown
fi
}
#restart function
function_restart_mysql()
{
printf "Restarting MySQL...\n"
function_stop_mysql
sleep 2
function_start_mysql
}
case $1 in
start)
function_start_mysql
;;
stop)
function_stop_mysql
;;
restart)
function_restart_mysql
;;
*)
printf "Usage: /data/${port}/mysql {start|stop|restart}\n"
esac
原文地址：http://blog.51cto.com/jinlong/2059076
时间： 2024-11-06 07:27:11