1.前言

因為直接使用yum install默認安裝的版本是5.1，查閱官網后使用Yum Repository安裝mysql5.7，這里下載的版本是mysql57-community-release-el6-11.noarch.rpm。

2.安裝

1）添加yum repository

[root@localhost opt]# sudo yum localinstall mysql57-community-release-el6-11.noarch.rpm
[root@localhost opt]# yum repolist enabled | grep "mysql.*-community.*"

2）安裝mysql

1 [root@localhost /]# sudo yum install mysql-community-server

3）啟動mysql及查看服務

1 [root@localhost /]# service mysqld start 2 Initializing MySQL database: [ OK ] 3 Installing validate password plugin: [ OK ] 4 Starting mysqld: [ OK ] 5 [root@localhost /]# sudo service mysqld status 6 mysqld (pid 42363) is running...

4）修改密碼

因mysql有默認密碼，先生成臨時密碼，登錄mysql后再修改密碼。

1 [root@localhost /]# sudo grep 'temporary password' /var/log/mysqld.log 2 2017-06-27T15:19:54.431342Z 1 [Note] A temporary password is generated for root@localhost: InA1Mppj%R1K

登錄mysql

1 [root@localhost /]# mysql -uroot -p 2 Enter password:

設置密碼，mysql密碼要求大、小寫、數字、特殊字符各一個且長度不能低于八位。

1 Welcome to the MySQL monitor. Commands end with ; or \g. 2 Your MySQL connection id is 4 3 Server version: 5.7.18 4 5 Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved. 6 7 Oracle is a registered trademark of Oracle Corporation and/or its 8 affiliates. Other names may be trademarks of their respective 9 owners. 10 11 Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. 12 13 mysql> alter user 'root'@'localhost' identified by 'yourpassword'; 14 Query OK, 0 rows affected (0.01 sec)

參考資料：

https://dev.mysql.com/doc/refman/5.7/en/linux-installation-yum-repo.html

https://dev.mysql.com/doc/refman/5.7/en/validate-password-plugin.html

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轉載于:https://www.cnblogs.com/floay/p/7085882.html

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