shell练习03 安装mysql

 

1. 查看系统是否已经有mysql安装

     rpm -qa | grep mysql

    

      说明没有安装

2. 下载mysql的yum源-----(一定要保证有网络)

     Note:这个rmp地址是官网上面找准版本后的rmp的地址:

     如下界面上有:

     

 

3. 安装mysql的yum源,两种方式安装,也可以用yum命令安装

比如:yum -y install mysql80-community-release-el7-1.noarch.rpm

4. 安装Mysql服务器

yum install mysql-community-server   安装过程中会问yes吗,选yes。

出现如下算完成安装啦:

 

 5. 安装mysql后需要重启mysql

[root@localhost ~]# service mysqld restart

Redirecting to /bin/systemctl restart  mysqld.service

6. 初次登陆和随机密码查看

  1. 刚开始安装的mysql会产生一个随机密码,我们需要找到它,我们可以通过grep命令查找随机root密码。并用它进行登陆来修改密码:

[root@localhost ~]# grep "password" /var/log/mysqld.log

2018-08-01T06:15:38.658556Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: 7*nv9jSkw=pw

 [root@localhost ~]# mysql -uroot -p

Enter password:

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

Your MySQL connection id is 9

Server version: 8.0.12

 

Copyright (c) 2000, 2018, 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>

7. 修改密码

登陆Mysql后输入以下进行修改

ALTER USER 'root'@'localhost' IDENTIFIED BY 'Daerdee@112'   (密码是Daerdee@112)

8. 退出Mysql,并以新密码登陆就可以正常使用Mysql了。

posted @ 2018-08-03 09:54  Hermioner  阅读(215)  评论(0编辑  收藏  举报