shell练习03 安装mysql
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1. 查看系統是否已經有mysql安裝
? ? ?rpm -qa | grep mysql
? ??
? ? ? 說明沒有安裝
2. 下載mysql的yum源-----(一定要保證有網絡)
? ? ?Note:這個rmp地址是官網上面找準版本后的rmp的地址:
? ? ?如下界面上有:
? ? ?
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3. 安裝mysql的yum源,兩種方式安裝,也可以用yum命令安裝
比如:yum -y install mysql80-community-release-el7-1.noarch.rpm
4. 安裝Mysql服務器
yum install mysql-community-server?? 安裝過程中會問yes嗎,選yes。
出現如下算完成安裝啦:
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?5. 安裝mysql后需要重啟mysql
[root@localhost ~]# service mysqld restart
Redirecting to /bin/systemctl restart? mysqld.service
6. 初次登陸和隨機密碼查看
[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
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Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
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Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
- owners.
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Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
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mysql>
7. 修改密碼
登陸Mysql后輸入以下進行修改
ALTER USER 'root'@'localhost' IDENTIFIED BY 'Daerdee@112'? ?(密碼是Daerdee@112)
8. 退出Mysql,并以新密碼登陸就可以正常使用Mysql了。
轉載于:https://www.cnblogs.com/Hermioner/p/9401273.html
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