Mysql安装

Posted 2020-10-10

mysql部署文档

操作系统：CentOS Linux release 7.4.1708
内核版本：3.10.0

# 手动安装
1> 将mysql-5.5.54-linux2.6-x86_64.tar.gz上传至CentOS服务器/tmp目录下

2> 解压压缩包至/usr/local/

[[email protected] local]# tar -zxvf /tmp/mysql-5.5.54-linux2.6-x86_64.tar.gz -C /usr/local/

3> 设置软连接

[[email protected] local]# ln -s mysql-5.5.54-linux2.6-x86_64/ mysql

4> 新增用户组和用户

[[email protected] local]# groupadd -r mysql
[[email protected] local]# useradd -g mysql -r -s /sbin/nologin mysql

5> 给/usr/local/mysql/*权限

[[email protected] local]# chown -R mysql.mysql /usr/local/mysql/*

6> 设置数据存储路径，并赋予权限

[[email protected] local]# mkdir –p /data/mydata
[[email protected] local]# chown -R mysql.mysql /data/mydata

7> 初始化mysql

[[email protected] local]# cd /usr/local/mysql
[[email protected] local]# scripts/mysql_install_db --datadir=/data/mydata --user=mysql

8> 改回root权限

[[email protected] local]# chown -R root /usr/local/mysql/*

9> 加入自动启动

[[email protected] local]# cp -a mysql/support-files/mysql.server /etc/rc.d/init.d/mysqld
[[email protected] local]# chkconfig --add mysqld

10> 修改配置文件

[[email protected] local]# cp -a /usr/local/mysql/support-files/my-large.cnf /etc/my.cnf
[[email protected] local]# vi /data/mydata

在[mysqld]字段下添加 datadir = /data/mydata
thread_concurrency = CPU物理核心数的2倍
保存，退出/etc/my.cnf

11> 启动mysql服务

[[email protected] local]# /etc/rc.d/init.d/mysqld start

12> 创建root用户密码
*先登录mysql

[[email protected] local]# mysql -uroot -hlocalhost -p
Enter password:

*承上，显示Enter password:
(直接回车)
*设置密码，假设密码为：zz2014info

mysql> SET PASSWORD FOR ‘root‘@‘localhost‘=PASSWORD(‘zz2014info‘);

*显示如下，则表示创建密码成功

Query OK, 0 rows affected (0.14 sec)

13> 创建mysql实例
*创建mysql实例，例如logincenter

**************************************************************
****************mysql实例名是区分大小写的*********************
********************开发这边统一小写**************************
********************忽略大小写可配置**************************
**************************************************************

mysql> CREATE DATABASE logincenter；
Query OK, 1 row affected (0.01 sec)

*查看实例是否创建成功

mysql> SHOW DATABASES;
+--------------------+
| Database |
+--------------------+
| information_schema |
| logincenter |
| mysql |
| performance_schema |
| test |
+--------------------+

14> 将mysql命令加入环境变量

[[email protected] local]# echo "PATH=$PATH:/usr/local/mysql/bin" > /etc/profile.d/mysql.sh
[[email protected] local]# echo "export PATH" >> /etc/profile.d/mysql.sh
[[email protected] local]# source /etc/profile

15> 导入.sql语句脚本(以logincenter.sql为例)

[[email protected] local]# mysql -uroot -pzz2014info logincenter < /tmp/logincenter.sql