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Ubuntu18.04 安装MySQL

# 1 2 VALIDATE PASSWORD PLUGIN can be used to test passwords... 3 Press y|Y for Yes, any other key for No: N (我的选项) 4 5 # 2 6 Please set the password for root here... 7 New password: (输入密码) 8 Re-enter new password: (重复输入) 9 10 # 3 11 By default , a MySQL installation has an anonymous user, 12 allowing anyone to log into MySQL without having to have 13 a user account created for them... 14 Remove anonymous users? (Press y|Y for Yes, any other key for No) : N (我的选项) 15 16 # 4 17 Normally, root should only be allowed to connect from 18 ‘ localhost ‘ . This ensures that someone cannot guess at 19 the root password from the network... 20 Disallow root login remotely? (Press y|Y for Yes, any other key for No) : Y (我的选项) 21 22 # 5 23 By default , MySQL comes with a database named ‘ test ‘ that 24 anyone can access... 25 Remove test database and access to it? (Press y|Y for Yes, any other key for No) : N (我的选项) 26 27 # 6 28 Reloading the privilege tables will ensure that all changes 29 made so far will take effect immediately. 30 Reload privilege tables now? (Press y|Y for Yes, any other key for No) : Y (我的选项)

 

2.2 检查mysql服务状态
  1 systemctl status mysql.service  
显示如下结果说明mysql服务是正常的:

3.配置远程访问
在Ubuntu下MySQL缺省是只允许本地访问的,使用workbench连接工具是连不上的;
如果你要其他机器也能够访问的话,需要进行配置;

3.1 首先用根用户进入
  1 sudo mysql -uroot -p  
登入root进行其他设置:

  1 GRANT ALL PRIVILEGES ON *.* TO root@localhost IDENTIFIED BY " 123456 " ;  

其中 root@localhos , localhost 就是本地访问,配置成 % 就是所有主机都可连接;

第二个 ‘123456‘ 为你给新增权限用户设置的密码, % 代表所有主机,也可以是具体的ip;
不过这随设置了 % 但我root通过工具还是登陆不进去,可能是为了安全性,所以新建数据库和用户;

3.2 新建数据库和用户
用root用户新建数据和用作远程访问的用户

 1  ## 1   创建数据库weixx
  2   CREATE DATABASE weixx;
  3  ## 2   创建用户wxx(密码654321) 并允许wxx用户可以从任意机器上登入mysql的weixx数据库
  4  GRANT ALL PRIVILEGES ON weixx.* TO wxx @"  %  "  IDENTIFIED BY  "  654321  " ; 

4.使用workbench连接数据库
打开workbench进行连接配置:

配置完成后,在主界面选择weixx数据库进行连接:

 

Ubuntu18.04 安装MySQL

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