MySQL CentOS 8

Posted 2021-05-22 大牛1对1编程

带你一起做真实企业上线项目

斩获 2 年企业经验积累

1 下载安装包

https://dev.mysql.com/downloads/mysql/

下载捆绑在一起的安装包，方便。

2 文件上传解压

# 删除原有的安装

[root@daniu101 ~]# rpm -qa | grep -i mysql

[root@daniu101 ~]# rpm -e --nodeps softname

# 新建文件夹

[root@daniu101 ~]# cd /usr/local/

[root@daniu101 local]# mkdir mysql

[root@daniu101 local]# cd mysql/

# 上传与解压

[root@daniu101 mysql]# yum -y install lrzsz

[root@daniu101 mysql]# rz

[root@daniu101 mysql]# ls

[root@daniu101 mysql]# tar -xvf mysql-8.0.24-1.el8.x86_64.rpm-bundle.tar

3 安装组件

需要安装的组件：common、libs、client、server。

[root@daniu101 mysql]# rpm -ivh mysql-community-common-8.0.24-1.el8.x86_64.rpm --nodeps --force

[root@daniu101 mysql]# rpm -ivh mysql-community-libs-8.0.24-1.el8.x86_64.rpm --nodeps --force

[root@daniu101 mysql]# rpm -ivh mysql-community-client-8.0.24-1.el8.x86_64.rpm --nodeps --force

[root@daniu101 mysql]# rpm -ivh mysql-community-server-8.0.24-1.el8.x86_64.rpm --nodeps --force

[root@daniu101 mysql]# rpm -qa | grep mysql

mysql-community-server-8.0.24-1.el8.x86_64

mysql-community-common-8.0.24-1.el8.x86_64

mysql-community-libs-8.0.24-1.el8.x86_64

mysql-community-client-8.0.24-1.el8.x86_64

4 初始化配置

[root@daniu101 mysql]# mysqld --initialize;

[root@daniu101 mysql]# chown mysql:mysql /var/lib/mysql -R;

[root@daniu101 mysql]# systemctl start mysqld.service;

[root@daniu101 mysql]# systemctl enable mysqld;

5 重置密码、查看端口

[root@daniu101 mysql]# cat /var/log/mysqld.log | grep password

2021-05-04T09:32:12.661237Z 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: Az.%h(s5gUrl

[root@daniu101 mysql]# mysql -uroot -p

Enter password:

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

Your MySQL connection id is 8

Server version: 8.0.24

Copyright (c) 2000, 2021, Oracle and/or its affiliates.

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 WITH mysql_native_password BY '123456';

Query OK, 0 rows affected (0.00 sec)

mysql> use mysql;

Reading table information for completion of table and column names

You can turn off this feature to get a quicker startup with -A

Database changed

mysql> update user set host='%' where user ='root';

Query OK, 1 row affected (0.00 sec)

Rows matched: 1  Changed: 1  Warnings: 0

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

mysql> show global variables like 'port';

mysql> exit;

Bye

# 1410 异常时：

mysql> GRANT ALL ON *.* TO 'root'@'%';

mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456';

# 2058 异常时

mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';

# 1396异常时

mysql> ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'password';

6 各种服务状态

# 启动mysql服务

[root@daniu101 mysql]# systemctl start mysqld.service

# 停止mysql服务

[root@daniu101 mysql]# systemctl stop mysqld.service

# 重启mysql服务

[root@daniu101 mysql]# systemctl restart mysqld.service

# 查看mysql服务当前状态

[root@daniu101 mysql]# systemctl status mysqld.service

# 设置mysql服务开机自启动

[root@daniu101 mysql]# systemctl enable mysqld.service

# 停止mysql服务开机自启动

[root@daniu101 mysql]# systemctl disable mysqld.service

7 远程登录

注意：安全组打开3306端口。

长按二维码关注 大牛1对1编程

直播视频录制 + 完整项目源代码 + 超级详细文档 +PPT +上课笔记 + 思维导图 + 经验总结...

等你扫码来白嫖

       

       

     

      大牛一对一是超级硬核的编程教育高端品牌，开创了编程领域一对一的指导模式，开设全栈、Java、Python、LeetCode、C系、人工智能、区块链、数据结构与算法、数据科学、产品经理、CTO技术管理等课程，特聘科班硕士和10多年工作经验的大牛教学，引导和培育学员独立创新研究学习能力，独立开发企业项目的能力，大团队协同工作沟通的能力，使每个人都成为高端的计算机人才，研究型企业骨干编程人才。

点击 阅读原文，成为企业骨干编程人才！