mysql5.7安装过程与细节

a.安装准备：

1.centos7

b.安装过程：

1.cat /etc/redhat-release
2.wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm
3.sudo yum localinstall platform-and-version-specific-package-name.rpm
4.sudo yum install mysql-community-server
5.sudo service mysqld start
6.sudo service mysqld status
7.查看mysql日志，查找临时生成的随机密码
8.set global validate_password_policy=0
9.ALTER USER USER() IDENTIFIED BY '12345678';(SET PASSWORD = PASSWORD('new_password'); )
10.ALTER USER USER() IDENTIFIED BY '12345678';
11.set global validate_password_length=1;
12.ALTER USER USER() IDENTIFIED BY '123456';(SET PASSWORD = PASSWORD('new_password'); )

c.MySQL编码设置方法 MySQL编码为utf8设置方法

1.service mysql stop
2. Linux下通常是 /etc/my.cnf
--在 [mysqld] 标签下加上如下内容：
default-character-set = utf8
character_set_server = utf8
注意：若是此标签下已经存在“default-character-set=GBK”相似的内容，只需修改便可。
--在 [mysql] 标签下加上一行
default-character-set = utf8
--在 [mysql.server]标签下加上一行
default-character-set = utf8
--在 [mysqld_safe]标签下加上一行
default-character-set = utf8
--在 [client]标签下加上一行
default-character-set = utf8
3.service mysql start
4.show variables like 'character%'; 查看修改状况

d.参考网页

http://dev.mysql.com/doc/mysql-repo-excerpt/5.6/en/linux-installation-yum-repo.html
http://www.th7.cn/db/mysql/201601/175073.shtml
http://www.cnblogs.com/ivictor/p/5142809.html
http://www.fantxi.com/blog/archives/enable-remote-access-mysql-centos/comment-page-1#comments