ubuntu 安装mysql实战版

该教程详细介绍了如何在Ubuntu 16.04上安装MySQL 5.7.33,包括设置root密码、允许远程访问以及权限配置。安装过程中需注意安全设置,并通过`apt-get install`命令进行安装。配置文件`/etc/mysql/mysql.conf.d/mysqld.cnf`中需取消`bind-address`的注释以允许远程连接。使用`grant all privileges`和`flush privileges`命令赋予root用户远程访问权限,并通过`service mysql restart`重启服务以应用更改。

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Ubuntu 16.04 安装MySQL 5.7.33

apt-get install mysql-server=5.7.33-0ubuntu0.16.04.1

安装的过程中需要设置root的密码,根据提示操作即可

安装完成后默认只能本地访问,如果需要其他地址也可以访问需做如下操作

编辑配置文件

vim /etc/mysql/mysql.conf.d/mysqld.cnf

对以下行进行注释或者修改

# bind-address  = 127.0.0.1

完成后对文件进行保存

同时对root用户的权限进行如下操作

mysql -uroot -p123456

grant all privileges on *.* to 'root'@'%' identified by '123456';
flush privileges;

查询用户信息

select host,user from mysql.user;

退出mysql quit

重启mysql

service mysql restart

整个操作过程如下

mysql> grant all privileges on *.* to 'root'@'%' identified by '123456';
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> select host,user from mysql.user;
+-----------+------------------+
| host      | user             |
+-----------+------------------+
| %         | root             |
| localhost | debian-sys-maint |
| localhost | mysql.session    |
| localhost | mysql.sys        |
| localhost | root             |
+-----------+------------------+
5 rows in set (0.00 sec)

mysql> quit
Bye
service mysql restart

此刻外部可正常访问
在这里插入图片描述

mysql官网上下载mysql-server_5.7.21-1ubuntu14.04_amd64.deb-bundle.tar,然后进行离线安装,解压该安装包,会出现11个依赖包,按照顺序依次使用sudo dpkg -i 进行安装,中间会报错,显示缺少相应的依赖,具体如下: *******@ubuntu:/opt/mysql$ sudo dpkg -i mysql-community-client_5.7.21-1ubuntu14.04_amd64.deb Selecting previously unselected package mysql-community-client. (Reading database ... 208518 files and directories currently installed.) Preparing to unpack mysql-community-client_5.7.21-1ubuntu14.04_amd64.deb ... Unpacking mysql-community-client (5.7.21-1ubuntu14.04) ... dpkg: dependency problems prevent configuration of mysql-community-client: mysql-community-client depends on libaio1 (>= 0.3.93); however: Package libaio1 is not installed. dpkg: error processing package mysql-community-client (--install): dependency problems - leaving unconfigured Processing triggers for man-db (2.6.7.1-1ubuntu1) ... Errors were encountered while processing: mysql-community-client 和 ********@ubuntu:/opt/mysql$ sudo dpkg -i mysql-community-server_5.7.21-1ubuntu14.04_amd64.deb Selecting previously unselected package mysql-community-server. (Reading database ... 208598 files and directories currently installed.) Preparing to unpack mysql-community-server_5.7.21-1ubuntu14.04_amd64.deb ... Unpacking mysql-community-server (5.7.21-1ubuntu14.04) ... dpkg: dependency problems prevent configuration of mysql-community-server: mysql-community-server depends on libmecab2 (>= 0.996-1.1); however: Package libmecab2 is not installed. dpkg: error processing package mysql-community-server (--install): dependency problems - leaving unconfigured Processing triggers for man-db (2.6.7.1-1ubuntu1) ... Processing triggers for ureadahead (0.100.0-16) ... ureadahead will be reprofiled on next reboot Errors were encountered while processing: mysql-community-server 附上依赖包安装顺序: 1.mysql-common_5.7.21-1ubuntu14.04_amd64.deb 2.libmysqlclient20_5.7.21-1ubuntu14.04_amd64.deb 3.libmysqlclient-dev_5.7.21-1ubuntu14.04_amd64.deb 4.libmysqld-dev_5.7.21-1ubuntu14.04_amd64.deb
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