Centos 安装mysql5.7详细步骤_linux教程_开发教程

1. 从mysql的官网下载mysql57-community-release-el6-8.noarch.rpm

2. 安装第一步下载的rpm

rpm -ivh mysql57-community-release-el6-8.noarch.rpm

3. 安装完成之后，我们发现在/etc/yum.repos.d目录下新增了两个文件：其中第二文件记录了mysql的源信息。

1 mysql-community.repo

2 mysql-community-source.repo

4. 查看可用的mysql安装源

yum repolist enabled | grep mysql

1 mysql-connectors-community MySQL Connectors Community 21

2 mysql-tools-community MySQL Tools Community 24

3 mysql57-community MySQL 5.7 Community Server 56

5. 使用yum安装mysql(自动解决依赖问题，并安装了其他相关包)（如果需要保存下载的包，则修改/etc/yum.conf，将　

　 keepcache=0 改为keepcache=1）

yum install mysql-community-server

Installing:

mysql-community-libs i686 5.7.13-1.el6 mysql57-community 2.0 M

replacing mysql-libs.i686 5.1.73-3.el6_5

mysql-community-libs-compat i686 5.7.13-1.el6 mysql57-community 1.6 M

replacing mysql-libs.i686 5.1.73-3.el6_5

mysql-community-server i686 5.7.13-1.el6 mysql57-community 140 M

Installing for dependencies:

mysql-community-client i686 5.7.13-1.el6 mysql57-community 22 M

mysql-community-common i686 5.7.13-1.el6 mysql57-community 327 k

Updating for dependencies:

postfix i686 2:2.6.6-6.el6_7.1 base 2.0 M

Transaction Summary

==============================================================================================

Install 5 Package(s)

Upgrade 1 Package(s)

6 .安装完成之后，查看mysql服务的状态

sudo service mysqld status

mysqld (pid 26422) is running...

7. 停止mysql服务，然后以安全模式启动mysql。

1 sudo service mysql stop

2 sudo mysqld_safe --skip-grant-tables --skip-networking &

8. 无密码登陆root, 设置root密码

1 mysql -u root

4 mysql> use mysql;

5 mysql>update user set authentication_string=password('12345678') where user='root';

6 mysql> flush privileges;

9. 修改字符集为utf8

vim /etc/my.cnf

在[mysqld]部分添加：

character-set-server=utf8

在文件末尾新增[client]段，在[client]段添加：

default-character-set=utf8

10. 查看字符

show variables like "%character%";

+--------------------------+----------------------------+

| Variable_name | Value |

+--------------------------+----------------------------+

| character_set_client | utf8 |

| character_set_connection | utf8 |

| character_set_database | utf8 |

| character_set_filesystem | binary |

| character_set_results | utf8 |

| character_set_server | utf8 |

| character_set_system | utf8 |

| character_sets_dir | /usr/share/mysql/charsets/ |

+--------------------------+----------------------------+

(责任编辑：最模板)