CentOS 7.4 64位安装配置MySQL8.0的详细步骤- Starterknow

第一步：获取mysql YUM源

进入mysql官网获取RPM包下载地址

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

点击下载

获取到下载链接：

https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm

——————————————————————————–

第二步：下载和安装mysql源

•进入mysql文件夹，没有的自行创建

[root@VM_0_10_centos /]# cd /usr/local/mysql/

[root@VM_0_10_centos mysql]#•下载源安装包

[root@VM_0_10_centos mysql]# wget https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm

–2022-08-04 10:29:39– https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm

Resolving repo.mysql.com (repo.mysql.com)… 23.219.33.198

Connecting to repo.mysql.com (repo.mysql.com)|23.219.33.198|:443… connected.

HTTP request sent, awaiting response… 200 OK

Length: 25820 (25K) [APPlication/x-redhat-package-manager]

Saving to: ‘mysql80-community-release-el7-1.noarch.rpm’

100%[==========================================================================>] 25,820 112KB/s in 0.2s

2022-08-04 10:29:40 (112 KB/s) – ‘mysql80-community-release-el7-1.noarch.rpm’ saved [25820/25820]

[root@VM_0_10_centos mysql]# ll

total 28

-rw-r–r– 1 root root 25820 Apr 18 13:24 mysql80-community-release-el7-1.noarch.rpm

[root@VM_0_10_centos mysql]#•安装mysql源

[root@VM_0_10_centos mysql]# yum -y localinstall mysql80-community-release-el7-1.noarch.rpm
第三步：在线安装MySQL

[root@VM_0_10_centos mysql]# yum -y install mysql-community-server下载东西比较多，等几分钟。

第四步：启动Mysql服务

[root@VM_0_10_centos mysql]# systemctl start mysqld
第五步：设置开机启动

[root@VM_0_10_centos mysql]# systemctl enable mysqld

[root@VM_0_10_centos mysql]# systemctl daemon-reload
第六步：修改root本地登录密码

mysql安装完成之后，在/var/log/mysqld.log文件中给root生成了一个临时的默认密码。用grep命令搜一下

[root@VM_0_10_centos mysql]# grep “A temporary password is generated for root@localhost” /var/log/mysqld.log

2022-08-02T02:19:55.829527Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: !J:KUwU9y0ZR

2022-08-02T04:49:34.979689Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: pw</s9,Wivm2

2022-08-04T02:40:46.781768Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: nNyK,Y)Wd0-G

[root@VM_0_10_centos mysql]#这里有X搜索结果，因为我重复装了3次MySQL，如果第一次安装是只会有一条的。

直接拿到临时默认密码 : nNyK,Y)Wd0-G

•登录MySQL

[root@VM_0_10_centos mysql]# mysql -uroot -p

Enter password:

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

Your MySQL connection id is 8

Server version: 8.0.12

Copyright (c) 2000, 2022, 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>•更改root账户临时密码

mysql> ALTER USER ‘root’@’localhost’ IDENTIFIED BY ‘Pwd123@easyoh.net’;

Query OK, 0 rows affected (0.03 sec)

mysql>Pwd123@easyoh.net 请替换成你自己的密码。

(备注 mysql8.0默认密码策略要求密码必须是大小写字母数字特殊字母的组合，至少8位)

第七步：创建新用户、授权、远程登录（不要直接使用root账户登录）

•创建easyoh-mp用户并且授权远程登录

mysql> CREATE USER ‘easyoh-mp’@’%’ IDENTIFIED BY ‘Pwd123@easyoh.net’;

Query OK, 0 rows affected (0.04 sec)

mysql> GRANT ALL ON *.* TO ‘easyoh-mp’@’%’;

Query OK, 0 rows affected (0.03 sec)

mysql>•在sqlyog客户端用easyoh-mp账户登录（其他客户端也可以，随意）

发现会报plugin caching_sha2_password错误。这是因为MySQL8.0密码策略默认为caching_sha2_password。与5.7有所不同。

•进入MySQL数据库查询user表信息

mysql> ALTER USER ‘easyoh-mp’@’%’ IDENTIFIED BY ‘Pwd123@easyoh.net’ PASSWORD EXPIRE NEVER;

Query OK, 0 rows affected (0.04 sec)

mysql> ALTER USER ‘easyoh-mp’@’%’ IDENTIFIED WITH mysql_native_password BY ‘Pwd123@easyoh.net’;

Query OK, 0 rows affected (0.05 sec)

mysql> FLUSH PRIVILEGES;

Query OK, 0 rows affected (0.01 sec)

mysql>再次登录就可以登录成功了。

第8步：编码

[root@VM_0_10_centos ~]#

[root@VM_0_10_centos /]# cd /usr/local/mysql/

[root@VM_0_10_centos mysql]# wget https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm

–2022-08-04 10:29:39– https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm

Resolving repo.mysql.com (repo.mysql.com)… 23.219.33.198

Connecting to repo.mysql.com (repo.mysql.com)|23.219.33.198|:443… connected.

HTTP request sent, awaiting response… 200 OK

Length: 25820 (25K) [application/x-redhat-package-manager]

Saving to: ‘mysql80-community-release-el7-1.noarch.rpm’

100%[==========================================================================>] 25,820 112KB/s in 0.2s

2022-08-04 10:29:40 (112 KB/s) – ‘mysql80-community-release-el7-1.noarch.rpm’ saved [25820/25820]

[root@VM_0_10_centos mysql]# ll

total 28

-rw-r–r– 1 root root 25820 Apr 18 13:24 mysql80-community-release-el7-1.noarch.rpm

[root@VM_0_10_centos mysql]# yum -y localinstall mysql80-community-release-el7-1.noarch.rpm

Loaded plugins: fastestmirror, langpacks

Examining mysql80-community-release-el7-1.noarch.rpm: mysql80-community-release-el7-1.noarch

Marking mysql80-community-release-el7-1.noarch.rpm to be installed

Resolving Dependencies

–> Running transaction check

—> Package mysql80-community-release.noarch 0:el7-1 will be installed

–> Finished Dependency Resolution

Dependencies Resolved

=================================================================================================================================================================================================================

Package    Arch    Version Repository       Size

=================================================================================================================================================================================================================

Installing:

mysql80-community-release noarch el7-1    /mysql80-community-release-el7-1.noarch 31 k

Transaction Summary

=================================================================================================================================================================================================================

Install 1 Package

Total size: 31 k

Installed size: 31 k

Downloading packages:

Running transaction check

Running transaction test

Transaction test succeeded

Running transaction

Warning: RPMDB altered outside of yum.

Installing : mysql80-community-release-el7-1.noarch                1/1

Verifying : mysql80-community-release-el7-1.noarch                1/1

Installed:

mysql80-community-release.noarch 0:el7-1

Complete!

[root@VM_0_10_centos mysql]# yum -y install mysql-community-server

Loaded plugins: fastestmirror, langpacks

Loading mirror speeds from cached hostfile

epel                      12641/12641

Resolving Dependencies

–> Running transaction check

—> Package mysql-community-server.x86_64 0:8.0.12-1.el7 will be installed

–> Processing Dependency: mysql-community-common(x86-64) = 8.0.12-1.el7 for package: mysql-community-server-8.0.12-1.el7.x86_64

–> Processing Dependency: mysql-community-client(x86-64) >= 8.0.0 for package: mysql-community-server-8.0.12-1.el7.x86_64

–> Running transaction check

—> Package mysql-community-client.x86_64 0:8.0.12-1.el7 will be installed

–> Processing Dependency: mysql-community-libs(x86-64) >= 8.0.0 for package: mysql-community-client-8.0.12-1.el7.x86_64

—> Package mysql-community-common.x86_64 0:8.0.12-1.el7 will be installed

–> Running transaction check

—> Package mysql-community-libs.x86_64 0:8.0.12-1.el7 will be installed

–> Finished Dependency Resolution

Dependencies Resolved

=================================================================================================================================================================================================================

Package    Arch    Version    Repository    Size

=================================================================================================================================================================================================================

Installing:

mysql-community-server    x86_64    8.0.12-1.el7    mysql80-community    349 M

Installing for dependencies:

mysql-community-client    x86_64    8.0.12-1.el7    mysql80-community    26 M

mysql-community-common    x86_64    8.0.12-1.el7    mysql80-community    541 k

mysql-community-libs    x86_64    8.0.12-1.el7    mysql80-community    2.2 M

Transaction Summary

=================================================================================================================================================================================================================

Install 1 Package (+3 Dependent packages)

Total download size: 377 M

Installed size: 1.7 G

Downloading packages:

(1/4): mysql-community-common-8.0.12-1.el7.x86_64.rpm                | 541 kB 00:00:05

(2/4): mysql-community-client-8.0.12-1.el7.x86_64.rpm                | 26 MB 00:00:12

(3/4): mysql-community-server-8.0.12-1.el7.x86_64.rpm                | 349 MB 00:02:26

(4/4): mysql-community-libs-8.0.12-1.el7.x86_64.rpm                | 2.2 MB 00:03:37

—————————————————————————————————————————————————————————————————————–

Total                   1.7 MB/s | 377 MB 00:03:43

Running transaction check

Running transaction test

Transaction test succeeded

Running transaction

Installing : mysql-community-common-8.0.12-1.el7.x86_64                1/4

Installing : mysql-community-libs-8.0.12-1.el7.x86_64                2/4

Installing : mysql-community-client-8.0.12-1.el7.x86_64                3/4

Installing : mysql-community-server-8.0.12-1.el7.x86_64                4/4

Verifying : mysql-community-common-8.0.12-1.el7.x86_64                1/4

Verifying : mysql-community-libs-8.0.12-1.el7.x86_64                2/4

Verifying : mysql-community-client-8.0.12-1.el7.x86_64                3/4

Verifying : mysql-community-server-8.0.12-1.el7.x86_64                4/4

Installed:

mysql-community-server.x86_64 0:8.0.12-1.el7

Dependency Installed:

mysql-community-client.x86_64 0:8.0.12-1.el7 mysql-community-common.x86_64 0:8.0.12-1.el7 mysql-community-libs.x86_64 0:8.0.12-1.el7

Complete!

[root@VM_0_10_centos mysql]# systemctl start mysqld

[root@VM_0_10_centos mysql]# systemctl enable mysqld

[root@VM_0_10_centos mysql]# systemctl daemon-reload

[root@VM_0_10_centos mysql]# grep “A temporary password is generated for root@localhost” /var/log/mysqld.log

2022-08-02T02:19:55.829527Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: !J:KUwU9y0ZR

2022-08-02T04:49:34.979689Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: pw</s9,Wivm2

2022-08-04T02:40:46.781768Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: nNyK,Y)Wd0-G

[root@VM_0_10_centos mysql]# mysql -uroot -p

Enter password:

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

Your MySQL connection id is 8

Server version: 8.0.12

Copyright (c) 2000, 2022, 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 ‘Pwd123@easyoh.net’;

Query OK, 0 rows affected (0.03 sec)

mysql> CREATE USER ‘easyoh-mp’@’%’ IDENTIFIED BY ‘Pwd123@easyoh.net’;

Query OK, 0 rows affected (0.04 sec)

mysql> GRANT ALL ON *.* TO ‘easyoh-mp’@’%’;

Query OK, 0 rows affected (0.03 sec)

mysql> use mysql;

Database changed

mysql> select user,host,plugin from user;

+——————+———–+———————–+

| user  | host | plugin  |

+——————+———–+———————–+

| easyoh-mp | %  | caching_sha2_password |

| mysql.infoschema | localhost | caching_sha2_password |

| mysql.session | localhost | caching_sha2_password |

| mysql.sys | localhost | caching_sha2_password |

| root  | localhost | caching_sha2_password |

+——————+———–+———————–+

5 rows in set (0.00 sec)

mysql> ALTER USER ‘easyoh-mp’@’%’ IDENTIFIED BY ‘Pwd123@easyoh.net’ PASSWORD EXPIRE NEVER;

Query OK, 0 rows affected (0.04 sec)

mysql> ALTER USER ‘easyoh-mp’@’%’ IDENTIFIED WITH mysql_native_password BY ‘Pwd123@easyoh.net’;

Query OK, 0 rows affected (0.05 sec)

mysql> FLUSH PRIVILEGES;

Query OK, 0 rows affected (0.01 sec)

mysql> show variables like ‘%character%’;

+————————–+——————————–+

| Variable_name  | Value |

+————————–+——————————–+

| character_set_client | utf8mb4 |

| character_set_connection | utf8mb4 |

| character_set_database | utf8mb4 |

| character_set_filesystem | binary |

| character_set_results | utf8mb4 |

| character_set_server | utf8mb4 |

| character_set_system | utf8 |

| character_sets_dir | /usr/share/mysql-8.0/charsets/ |

+————————–+——————————–+

8 rows in set (0.01 sec) 这里有个问题，新密码设置的时候如果设置的过于简单会报错：

  原因是因为MySQL有密码设置的规范，具体是与validate_password_policy的值有关：

MySQL完整的初始密码规则可以通过如下命令查看：

validate_password_length = validate_password_number_count + validate_password_special_char_count + (2 * validate_password_mixed_case_count)我的是已经修改过的，初始情况下第一个的值是ON，validate_password_length是8。可以通过如下命令修改：

mysql> set global validate_password_policy=0;

mysql> set global validate_password_length=1;
总结

以上所述是小编给大家介绍的CentOS 7.4 64位安装配置MySQL8.0的详细步骤，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对共生网络网站的支持！

原创文章，作者：starterknow，如若转载，请注明出处：https://www.starterknow.com/115191.html

CentOS 7.4 64位安装配置MySQL8.0的详细步骤

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