ubuntu18安装mysql，并配置编码和访问权限

• 安装mysql

sudo apt install mysql-server

• 启动mysql服务

sudo service mysql start

• ubuntu18 修改mysql数据库密码

• 通过mysql进程及端口监听，查看mysql服务是否启动

sudo ps -ef | grep mysql
sudo netstat -tlnp | grep 3306

• mysql修改编码以支持中文

sudo vim /etc/mysql/my.cnf：

• 复制以下内容到my.cnf

[client]
default-character-set = utf8

[mysqld]
default-storage-engine = INNODB
character-set-server = utf8
collation-server = utf8_general_ci

• 允许所有ip访问mysql服务

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

  • 找到bind-address配置项，修改为以下内容
    • bind-address = 0.0.0.0

• 允许所有ip访问mysql都有权限

  • 登录mysql

  mysql -u root -p123456
  

  • GRANT ALL PRIVILEGES授予所有权限，*.*所有表，root用户，%所有的ip访问，IDENTIFIED BY '123456'密码是123456

  GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT OPTION;
  

  • 刷新权限

  flush privileges;
  

  • 退出mysql

  exit;
  

• 重启mysql服务

  sudo service mysql restart
  

• 登录后查看编码信息

  show variables like '%char%';
  +--------------------------+----------------------------+
  | 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/ |
  +--------------------------+----------------------------+
  8 rows in set (0.02 sec)
  

• 停止mysql服务

  sudo service mysql stop