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centos7.3 安装mysql5.7.18的详细教程

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1查看Linux发行版本 。

[root@typecodes ~]# cat /etc/redhat-release CentOS Linux release 7.2.1511 (Core) 。

2 下载MySQL官方的Yum Repository 。

根据Linux发行版本(CentOS、Fedora都属于红帽系),从mysql官方(http://dev.mysql.com/downloads/repo/yum/)获取Yum Repository.

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[root@typecodes ~] # wget -i http://dev.mysql.com/get/mysql57-community-release-el7-7.noarch.rpm
--2016-02-03 18:36:02-- http: //dev .mysql.com /get/mysql57-community-release-el7-7 .noarch.rpm
Resolving dev.mysql.com (dev.mysql.com)... 137.254.60.11
Connecting to dev.mysql.com (dev.mysql.com)|137.254.60.11|:80... connected.
HTTP request sent, awaiting response... 302 Found
Location: http: //repo .mysql.com //mysql57-community-release-el7-7 .noarch.rpm [following]
--2016-02-03 18:36:04-- http: //repo .mysql.com //mysql57-community-release-el7-7 .noarch.rpm
Resolving repo.mysql.com (repo.mysql.com)... 104.102.164.25
Connecting to repo.mysql.com (repo.mysql.com)|104.102.164.25|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 8984 (8.8K) [application /x-redhat-package-manager ]
Saving to: ‘mysql57-community-release-el7-7.noarch.rpm'
100%[=============================================================================================================================>] 8,984  --.-K /s in 0s
2016-02-03 18:36:07 (68.4 MB /s ) - ‘mysql57-community-release-el7-7.noarch.rpm' saved [8984 /8984 ]
3 安装MySQL的Yum Repository
安装完MySQL的Yum Repository,每次执行yum update都会检查MySQL是否更新。
[root@typecodes ~] # yum -y install mysql57-community-release-el7-7.noarch.rpm
Loaded plugins: axelget, fastestmirror, langpacks
Examining mysql57-community-release-el7-7.noarch.rpm: mysql57-community-release-el7-7.noarch
Marking mysql57-community-release-el7-7.noarch.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package mysql57-community-release.noarch 0:el7-7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=======================================================================================================================================================================
  Package          Arch      Version     Repository             Size
=======================================================================================================================================================================
Installing:
  mysql57-community-release      noarch      el7-7      /mysql57-community-release-el7-7 .noarch      7.8 k
Transaction Summary
=======================================================================================================================================================================
Install 1 Package
Total size: 7.8 k
Installed size: 7.8 k
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : mysql57-community-release-el7-7.noarch                            1 /1
  Verifying : mysql57-community-release-el7-7.noarch                           1 /1
Installed:
  mysql57-community-release.noarch 0:el7-7
Complete!

3 安装MySQL数据库的服务器版本 。

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[root@typecodes ~] # yum -y install mysql-community-server
Loaded plugins: axelget, fastestmirror, langpacks
No metadata available for base
No metadata available for epel
No metadata available for extras
repomd.xml                                  | 2.5 kB 00:00:00 
update mysql-connectors-community metadata successfully
repomd.xml                                  | 2.5 kB 00:00:00 
update mysql-tools-community metadata successfully
repomd.xml                                  | 2.5 kB 00:00:00 
update mysql57-community metadata successfully
No metadata available for updates
mysql-connectors-community                              | 2.5 kB 00:00:00 
mysql-tools-community                               | 2.5 kB 00:00:00 
mysql57-community                                | 2.5 kB 00:00:00 
(1 /3 ): mysql-tools-community /x86_64/primary_db                         | 24 kB 00:00:01 
(2 /3 ): mysql57-community /x86_64/primary_db                          | 28 kB 00:00:01 
(3 /3 ): mysql-connectors-community /x86_64/primary_db                        | 8.6 kB 00:00:02 
Loading mirror speeds from cached hostfile
  * base: mirrors.aliyun.com
  * epel: mirrors.neusoft.edu.cn
  * extras: mirrors.163.com
  * updates: mirrors.163.com
Resolving Dependencies
--> Running transaction check
---> Package mysql-community-server.x86_64 0:5.7.10-1.el7 will be installed
--> Processing Dependency: mysql-community-common(x86-64) = 5.7.10-1.el7 for package: mysql-community-server-5.7.10-1.el7.x86_64
--> Processing Dependency: mysql-community-client(x86-64) = 5.7.10-1.el7 for package: mysql-community-server-5.7.10-1.el7.x86_64
--> Running transaction check
---> Package mysql-community-client.x86_64 0:5.7.10-1.el7 will be installed
--> Processing Dependency: mysql-community-libs(x86-64) = 5.7.10-1.el7 for package: mysql-community-client-5.7.10-1.el7.x86_64
---> Package mysql-community-common.x86_64 0:5.7.10-1.el7 will be installed
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.44-2.el7.centos will be obsoleted
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: 2:postfix-2.10.1-6.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: 2:postfix-2.10.1-6.el7.x86_64
---> Package mysql-community-libs.x86_64 0:5.7.10-1.el7 will be obsoleting
--> Running transaction check
---> Package mysql-community-libs-compat.x86_64 0:5.7.10-1.el7 will be obsoleting
--> Finished Dependency Resolution
Dependencies Resolved
=======================================================================================================================================================================
  Package           Arch       Version        Repository        Size
=======================================================================================================================================================================
Installing:
  mysql-community-libs        x86_64      5.7.10-1.el7       mysql57-community      2.2 M
   replacing mariadb-libs.x86_64 1:5.5.44-2.el7.centos
  mysql-community-libs-compat      x86_64      5.7.10-1.el7       mysql57-community      2.0 M
   replacing mariadb-libs.x86_64 1:5.5.44-2.el7.centos
  mysql-community-server        x86_64      5.7.10-1.el7       mysql57-community      142 M
Installing for dependencies:
  mysql-community-client        x86_64      5.7.10-1.el7       mysql57-community       24 M
  mysql-community-common        x86_64      5.7.10-1.el7       mysql57-community      269 k
Transaction Summary
=======================================================================================================================================================================
Install 3 Packages (+2 Dependent packages)
Total download size: 171 M
Downloading packages:
mysql-community-server-5.7.10-1.el7.x86_64.rpm                         | 142 MB 00:03:42 
mysql-community-libs-compat-5.7.10-1.el7.x86_64.rpm                        | 2.0 MB 00:00:03 
mysql-community-libs-5.7.10-1.el7.x86_64.rpm                         | 2.2 MB 00:00:05 
mysql-community-client-5.7.10-1.el7.x86_64.rpm                         | 24 MB 00:00:41 
warning: /var/cache/yum/x86_64/7/mysql57-community/packages/mysql-community-common-5 .7.10-1.el7.x86_64.rpm: Header V3 DSA /SHA1 Signature, key ID 5072e1f5: NOKEY00 ETA
Public key for mysql-community-common-5.7.10-1.el7.x86_64.rpm is not installed
mysql-community-common-5.7.10-1.el7.x86_64.rpm                         | 269 kB 00:00:01 
Retrieving key from file : ///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
Importing GPG key 0x5072E1F5:
  Userid  : "MySQL Release Engineering <mysql-build@oss.oracle.com>"
  Fingerprint: a4a9 4068 76fc bd3c 4567 70c8 8c71 8d3b 5072 e1f5
  Package : mysql57-community-release-el7-7.noarch (@ /mysql57-community-release-el7-7 .noarch)
  From  : /etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : mysql-community-common-5.7.10-1.el7.x86_64                           1 /6
  Installing : mysql-community-libs-5.7.10-1.el7.x86_64                           2 /6
  Installing : mysql-community-client-5.7.10-1.el7.x86_64                           3 /6
  Installing : mysql-community-server-5.7.10-1.el7.x86_64                           4 /6
  Installing : mysql-community-libs-compat-5.7.10-1.el7.x86_64                          5 /6
  Erasing : 1:mariadb-libs-5.5.44-2.el7.centos.x86_64                           6 /6
  Verifying : mysql-community-server-5.7.10-1.el7.x86_64                           1 /6
  Verifying : mysql-community-libs-compat-5.7.10-1.el7.x86_64                          2 /6
  Verifying : mysql-community-common-5.7.10-1.el7.x86_64                           3 /6
  Verifying : mysql-community-libs-5.7.10-1.el7.x86_64                           4 /6
  Verifying : mysql-community-client-5.7.10-1.el7.x86_64                           5 /6
  Verifying : 1:mariadb-libs-5.5.44-2.el7.centos.x86_64                           6 /6
Installed:
  mysql-community-libs.x86_64 0:5.7.10-1.el7   mysql-community-libs-compat.x86_64 0:5.7.10-1.el7   mysql-community-server.x86_64 0:5.7.10-1.el7
Dependency Installed:
  mysql-community-client.x86_64 0:5.7.10-1.el7          mysql-community-common.x86_64 0:5.7.10-1.el7
Replaced:
  mariadb-libs.x86_64 1:5.5.44-2.el7.centos
Complete!
[root@typecodes ~] # clear

最后的截图:

centos7.3 安装mysql5.7.18的详细教程

4 启动数据库:

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[root@typecodes ~] # systemctl start mysqld.service

然后使用命令systemctl status mysqld.service查看MySQL数据库启动后的服务状态:

centos7.3 安装mysql5.7.18的详细教程

5 获取初始密码 。

使用YUM安装并启动MySQL服务后,MySQL进程会自动在进程日志中打印root用户的初始密码:

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#######从mysql进程日志中获取root用户的初始密码:ra%yk7urCBIh
[root@typecodes ~] # grep "password" /var/log/mysqld.log
2016-02-03T10:42:17.272166Z 1 [Note] A temporary password is generated for root@localhost: ra%yk7urCBIh
2016-02-03T10:42:36.776875Z 2 [Note] Access denied for user 'root' @ 'localhost' (using password: NO)
2016-02-03T10:42:52.063138Z 3 [Note] Access denied for user 'root' @ 'localhost' (using password: NO)
2016-02-03T10:42:57.564373Z 4 [Note] Access denied for user 'root' @ 'localhost' (using password: NO)
2016-02-03T10:43:01.477007Z 5 [Note] Access denied for user 'root' @ 'localhost' (using password: NO)
2016-02-03T10:46:03.642008Z 6 [Note] Access denied for user 'root' @ 'localhost' (using password: NO)
2016-02-03T10:46:11.217889Z 7 [Note] Access denied for user 'root' @ 'localhost' (using password: NO)
2016-02-03T10:47:44.755199Z 0 [Note] Shutting down plugin 'validate_password'
2016-02-03T10:47:46.505844Z 0 [Note] Shutting down plugin 'sha256_password'
2016-02-03T10:47:46.505851Z 0 [Note] Shutting down plugin 'mysql_native_password'

6 修改root用户密码 。

使用小节5中获取的root用户的初始密码,然后进行修改:

set global validate_password_policy =0;//默认是1,即MEDIUM,所以刚开始设置的密码必须符合长度,且必须含有数字,小写或大写字母,特殊字符.

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set global validate_password_length=4;//指定了密码中数据的长度
alter user root@localhost identified by 'crow' ;//修改密码

增加远程访问权限 。

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GRANT ALL PRIVILEGES ON *.* TO 'root' @ '%' IDENTIFIED BY 'crow' WITH GRANT OPTION ;
FLUSH PRIVILEGES ;

退出mysql,然后重启服务 。

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systemctl restart mysqld

防火墙打开3306端口 。

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firewall-cmd --zone=public --add-port=3306/tcp --permanent

重启防火墙 。

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firewall-cmd --reload
[root@typecodes ~]# mysql -uroot -p
Enter password :    #######输入默认的root密码后回车
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.10
Copyright (c) 2000, 2015, 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 'new password' ;
Query OK, 0 rows affected (0.00 sec)
mysql> exit
Bye

7 安装完毕 。

至此,使用在CentOS7中使用YUM方法安装MySQL5.7.10数据库完毕。如下所示,可以使用新的root密码登陆MySQL了.

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[root@typecodes ~]# mysql -uroot -ppassword
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.10 MySQL Community Server (GPL)
Copyright (c) 2000, 2015, 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> 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> show databases;
+ --------------------+
| Database   |
+ --------------------+
| information_schema |
| mysql    |
| performance_schema |
| sys    |
+ --------------------+
4 rows in set (0.00 sec)
mysql> clear
mysql> exit
Bye
[root@typecodes ~]# clear

附录1:查看MySQL数据库的配置信息 。

MySQL的配置文件依然是/etc/my.cnf,其它安装信息可以通过mysql_config命令查看。其中,动态库文件存放在/usr/lib64/mysql目录下.

centos7.3 安装mysql5.7.18的详细教程

附录2:对于C/C++等开发者 。

由于需要用到类似mysql.h等头文件,需要执行下面的命令安装mysql开发版本即可.

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[root@typecodes ~]# yum -y install mysql-community-devel

附录3:删除MySQL的Repository 。

因为小节3中安装了MySQL的Yum Repository,所以以后每次执行yum操作时,都会去检查更新。如果想要去掉这种自动检查操作的话,可以使用如下命令卸载MySQL的Repository即可.

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[root@typecodes ~]# yum -y remove mysql57-community-release-el7-7.noarch
update 2017.04.10 11:10

使用上面的yum方法也可以安装目前mysql官网上最新的版本mysql5.7.18。只要替换小节2中rmp包的版本即可,后续操作步骤不变.

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wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm

以上所述是小编给大家介绍的centos7.3 安装mysql5.7.18的详细教程,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我网站的支持! 。

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