本系列文章思路來自微信公眾號：宅必備

1、先卸載原有版本mysql

rpm -qa|grep mysql

[root@monit usr]# rpm -qa|grep mysql

mysql-5.1.71-1.el6.x86_64 ? ? ?--卸載

mysql-libs-5.1.71-1.el6.x86_64 ? --卸載

mysql57-community-release-el6-11.noarch

qt-mysql-4.6.2-26.el6_4.x86_64

mysql-server-5.1.71-1.el6.x86_64 ? --卸載

rpm -e mysql-5.1.71-1.el6.x86_64 --nodeps

rpm -e mysql-libs-5.1.71-1.el6.x86_64 ?--nodeps

rpm -e mysql-server-5.1.71-1.el6.x86_64 ?--nodeps

2解壓并安裝mysql5.7

[root@monit usr]# tar -xvf mysql-5.7.19-1.el6.x86_64.rpm-bundle.tar

mysql-community-libs-5.7.19-1.el6.x86_64.rpm

mysql-community-devel-5.7.19-1.el6.x86_64.rpm

mysql-community-embedded-5.7.19-1.el6.x86_64.rpm

mysql-community-common-5.7.19-1.el6.x86_64.rpm

mysql-community-libs-compat-5.7.19-1.el6.x86_64.rpm

mysql-community-server-5.7.19-1.el6.x86_64.rpm

mysql-community-test-5.7.19-1.el6.x86_64.rpm

mysql-community-embedded-devel-5.7.19-1.el6.x86_64.rpm

mysql-community-client-5.7.19-1.el6.x86_64.rpm

安裝順序：

[root@monit usr]# rpm -ivh mysql-community-common-5.7.19-1.el6.x86_64.rpm

[root@monit usr]# rpm -ivh mysql-community-libs*

[root@monit usr]# rpm -ivh mysql-community-devel-5.7.19-1.el6.x86_64.rpm

[root@monit usr]# rpm -ivh mysql-community-embedded*

[root@monit usr]# rpm -ivh mysql-community-client-5.7.19-1.el6.x86_64.rpm

[root@monit usr]# rpm -ivh mysql-community-server-5.7.19-1.el6.x86_64.rpm

3、啟動mysql服務，修改root密碼

[root@monit usr]# service mysqld start

Initializing MySQL database: ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? [ ?OK ?]

Starting mysqld: ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? [ ?OK ?]

[root@monit usr]# grep 'temporary password' /var/log/mysqld.log

2017-08-07T12:10:35.283652Z 1 [Note] A temporary password is generated for root@localhost: pC,s-ywwh5s9

[root@monit usr]# mysql -uroot -p

Enter password:

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

Your MySQL connection id is 4

Server version: 5.7.19

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> ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass4!';

Query OK, 0 rows affected (0.00 sec)

總結

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