解壓到/usr/local目錄

添加mysql用戶

shell> groupadd mysql

shell> useradd -r -g mysql -s /bin/false mysql

建立mysql默認的配置文件/etc/my.cnf

[mysqld]

user = mysql

port = 3306

server_id = 1

socket=/tmp/mysql.sock

basedir =/usr/local/mysql

datadir =/usr/local/mysql/data # 數據路徑

建立data文件夾，并給mysql用戶賦予權限

shell> chmod 750 data

shell> chown -R mysql .

shell> chgrp -R mysql .

在目錄下對mysqld初始化

bin/mysqld –initialize –user=mysql

添加服務，啟動

cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld

service mysqld start

alter user 'root'@'localhost' identified by 'newpswd'

重新登錄，見到熟悉的界面

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 5

Server version: 5.7.18 MySQL Community Server (GPL)

Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type ‘help;’ or ‘\h’ for help. Type ‘\c’ to clear the current input statement.

mysql>

當然啦，為了省點事，可以這么寫：

bin/mysqld –initialize-insecure –user=mysql

這樣建立的root賬戶初始沒有密碼。

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