Centos7的yum源中默认是没有mysql,由于如今已经用mariaDB代替mysql了。mysql
首先咱们下载mysql的repo源,咱们能够去mysql官网找最新的repo源地址linux
地址:sql
https://dev.mysql.com/downloads/repo/yum/
bash
开始在linux下下载repo源ide
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//
下载mysql rpm包
//
安装mysql rpm包
# rpm -ivh mysql57-community-release-el7-11.noarch.rpm
//
安装mysql
# yum install mysql-community-server
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安装成功后须要重启mysql服务。ui
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# service mysqld restart
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刚开始安装的Mysql5.7是会随机生成一个root密码的,咱们要先找到这个随机密码,而后改新密码。咱们能够经过grep命令查找随机root密码。spa
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[root@
local
bin]# grep
"password"
/var/log/mysqld.log
2017-09-24T08:03:30.664086Z 1 [Note] A
temporary
password
is
generated
for
root@localhost: 8A3xwbk8_P1A
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使用随机密码登陆mysql.net
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[root@
local
bin]# mysql -uroot -p
Enter
password
:
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进入后重置root密码rest
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mysql>
SET
password
=
PASSWORD
(
"mysql123"
);
ERROR 1819 (HY000): Your
password
does
not
satisfy the
current
policy requirements
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若是有上面的报错,说明密码设置的过于简单。密码设置规则是要有数字大小写字母和字符串。
code
最后授予外网登陆权限,username为用户名,password是登陆密码
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mysql>
grant
all
privileges
on
*.*
to
username@
'%'
identified
by
'password'
;
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