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1.首先查看系统自带的mysql版本
[hadoop@mini03 ~]$ rpm -qa | grep mysql
mysql-libs-5.1.71-1.el6.x86_64
[hadoop@mini03 ~]$
2.卸载mysql-libs-5.1.71-1.el6.x86_64
[hadoop@mini03 ~]$ sudo rpm -e --nodeps mysql-libs-5.1.71-1.el6.x86_64
[hadoop@mini03 ~]$
3.安装wget
[hadoop@mini03 ~]$ sudo yum install -y wget
4.随便在你存放文件的目录下执行下面的命令
这里解释一下,由于这个mysql的yum源服务器在国外,所以下载速度会比较慢 可以配置阿里的yun源
https://blog.csdn.net/huoliangwu/article/details/84553855
[hadoop@mini03 ~]$ sudo wget http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm
5.接着执行这句,解释一下,这个rpm还不是mysql的安装文件,只是两个yum源文件,执行后,在/etc/yum.repos.d/ 这个目录下多出mysql-community-source.repo和mysql-community.repo
[hadoop@mini03 ~]$ sudo rpm -ivh mysql-community-release-el6-5.noarch.rpm
6.这个时候,可以用yum repolist mysql这个命令查看一下是否已经有mysql可安装文件
[hadoop@mini03 ~]$ sudo yum repolist all | grep mysql
mysql-connectors-community MySQL Connectors Community enabled: 66
mysql-connectors-community-source MySQL Connectors Community - So disabled
mysql-tools-community MySQL Tools Community enabled: 68
mysql-tools-community-source MySQL Tools Community - Source disabled
mysql55-community MySQL 5.5 Community Server disabled
mysql55-community-source MySQL 5.5 Community Server - So disabled
mysql56-community MySQL 5.6 Community Server enabled: 474
mysql56-community-source MySQL 5.6 Community Server - So disabled
mysql57-community-dmr MySQL 5.7 Community Server Deve disabled
mysql57-community-dmr-source MySQL 5.7 Community Server Deve disabled
[hadoop@mini03 ~]$
可以看到已经有5.6和5.7的mysql按照包可以安装了
7.安装mysql 服务器命令(一路yes):
[hadoop@mini03 ~]$ sudo yum install mysql-community-server
8.启动服务
[hadoop@mini03 ~]$ sudo service mysqld start
9.由于mysql刚刚安装完的时候,mysql的root用户的密码默认是空的,所以我们需要及时用mysql的root用户登录(第一次回车键,不用输入密码),并修改密码
[hadoop@mini03 ~]$ mysql -u root
mysql> use mysql;
mysql> update user set password=PASSWORD("这里输入root用户密码") where User='root';
mysql> flush privileges;
Query OK, 0 rows affected (0.15 sec)