CentOS安装指定版本的Mysql

baigp

53194人浏览 · 2018-01-04 21:00:09

baigp · 2018-01-04 21:00:09 发布

笔者使用的系统是CentOS 6.5 , 使用yum安装mysql的默认版本是5.1，如果想安装指定版本的mysql，可以通过本帖的方式进行。本文以安装MySQL 5.6为例进行说明。

1、从mysql的官网下载 rpm文档（下载地址：MySQL官网下载地址），根据自己的系统下载响应的版本，下载下来的文件是一个rpm格式的压缩包。笔者下载的版本是：

2、查看linux系统中是否有mysql的repo ：

[root@cdh1 files]# yum repolist all | grep mysql

如果已有repo，要先进行卸载，卸载命令：

[root@cdh1 files]# yum remove mysql*

3、配置新的repo：

[root@cdh1 files]# vi /etc/yum.repos.d/mysql-community.repo

插入以下内容：

[mysql-connectors-community]  
name=MySQL Connectors Community  
baseurl=http://repo.mysql.com/yum/mysql-connectors-community/el/6/$basearch/  
enabled=0  
gpgcheck=1  
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql  
  
[mysql-tools-community]  
name=MySQL Tools Community  
baseurl=http://repo.mysql.com/yum/mysql-tools-community/el/6/$basearch/  
enabled=0  
gpgcheck=1  
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql  
  
# Enable to use MySQL 5.5  
[mysql55-community]  
name=MySQL 5.5 Community Server  
baseurl=http://repo.mysql.com/yum/mysql-5.5-community/el/6/$basearch/  
enabled=0  
gpgcheck=1  
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql  
  
# Enable to use MySQL 5.6  
[mysql56-community]  
name=MySQL 5.6 Community Server  
baseurl=http://repo.mysql.com/yum/mysql-5.6-community/el/6/$basearch/  
enabled=1 
gpgcheck=1  
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql  
  
[mysql57-community]  
name=MySQL 5.7 Community Server  
baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/6/$basearch/  
enabled=0  
gpgcheck=1  
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql  
  
[mysql80-community]  
name=MySQL 8.0 Community Server  
baseurl=http://repo.mysql.com/yum/mysql-8.0-community/el/6/$basearch/  
enabled=0  
gpgcheck=1  
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql  
  
[mysql-tools-preview]  
name=MySQL Tools Preview  
baseurl=http://repo.mysql.com/yum/mysql-tools-preview/el/6/$basearch/  
enabled=0  
gpgcheck=1  
gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql  
  
[mysql-cluster-7.5-community]  
name=MySQL Cluster 7.5 Community  
baseurl=http://repo.mysql.com/yum/mysql-cluster-7.5-community/el/6/$basearch/  
enabled=0  
gpgcheck=1  
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql  
  
[mysql-cluster-7.6-community]  
name=MySQL Cluster 7.6 Community  
baseurl=http://repo.mysql.com/yum/mysql-cluster-7.6-community/el/6/$basearch/  
enabled=0  
gpgcheck=1  
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

以上内容可以在第一步下载的rpm包中复制（路径：\etc\yum.repos.d\mysql-community.repo , 下载的rpm包，解压之后仍是一个压缩包，再次解压即可看到上述路径）。从上述路径复制的代码，需要做一定的修改，将 MySQL 5.6中的 enabled属性置位1 ，其他所有的enabled都置位0。保存退出。做完这一步之后，再次进行步骤2的验证，如果配置正确，就能看到只有5.6的选项为 enabled。

[root@cdh1 files]# yum repolist all | grep mysql
mysql-cluster-7.5-community      MySQL Cluster 7.5 Community      disabled
mysql-cluster-7.6-community      MySQL Cluster 7.6 Community      disabled
mysql-connectors-community       MySQL Connectors Community       disabled
mysql-tools-community            MySQL Tools Community            disabled
mysql-tools-preview              MySQL Tools Preview              disabled
mysql55-community                MySQL 5.5 Community Server       disabled
mysql56-community                MySQL 5.6 Community Server       enabled:   396
mysql57-community                MySQL 5.7 Community Server       disabled
mysql80-community                MySQL 8.0 Community Server       disabled

4、签名。

[root@cdh1 files]# vi /etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

插入以下代码：

-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.4.5 (GNU/Linux)

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=HfUN
-----END PGP PUBLIC KEY BLOCK-----

上述代码可以在第一步下载的rpm包中找到，路径：\etc\pki\rpm-gpg\RPM-GPG-KEY-mysql,原封不动的直接拷出来，插入 /etc/pki/rpm-gpg/RPM-GPG-KEY-mysql 中即可。

5、安装

[root@cdh1 files]# yum install mysql-community-server -y

如果上面的步骤都配置正确，应该就能自动下载mysql的安装包进行安装！

6、启动服务，进行验证：

[root@cdh1 files]# service mysqld start
省略启动日志。。。
[root@cdh1 files]# mysql
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.38 MySQL Community Server (GPL)


Copyright (c) 2000, 2017, 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>

能进入到mysql的命令行模式，说明安装成功。

补充：如果想将mysql的服务加入到开机启动，可使用如下命令：

[root@cdh1 files]# chkconfig mysqld on
[root@cdh1 files]# chkconfig --list mysqld
mysqld         	0:off	1:off	2:on	3:on	4:on	5:on	6:off

2-5显示为on状态，说明已经假如到开机启动。

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