Ubuntu 18.04 安裝mysql5.7

這篇文章主要爲大家詳細介紹了Ubuntu 18.04 安裝mysql 5.7的相關資料，具有一定的參考價值，感興趣的小夥伴們可以參考一下

Ubuntu18.04安裝mysql5.7，供大家參考，具體內容如下

1.1安裝

首先執行下面三條命令：

# 安裝mysql服務
sudo apt-get install mysql-server
# 安裝客戶端
sudo apt install mysql-client
# 安裝依賴
sudo apt install libmysqlclient-dev
# 檢查狀態
sudo netstat -tap | grep mysql

1.2設置root密碼

mysql5.7安裝完成後普通用戶不能進mysql，原因：root的plugin被修改成了auth_socket，用密碼登陸的plugin應該是mysql_native_password，直接用root權限登錄就不用密碼,修改root密碼和登錄驗證方式：

$ sudo su
# mysql
mysql>
mysql> select user, plugin from mysql.user;
+------------------+-----------------------+
| user | plugin |
+------------------+-----------------------+
| root | auth_socket |
| mysql.session | mysql_native_password |
| mysql.sys | mysql_native_password |
| debian-sys-maint | mysql_native_password |
+------------------+-----------------------+
4 rows in set (0.00 sec)
mysql> update mysql.user set authentication_string=PASSWORD('123456'), plugin='mysql_native_password' where user='root';
mysql> flush privileges;
mysql> exit
Bye
# exit
$ sudo /etc/init.d/mysql restart
$ mysql -uroot -p

Enter password: 
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.22-0ubuntu18.04.1 (Ubuntu)

Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

1.3配置mysql遠程登錄

# 修改配置文件，註釋掉bind-address = 127.0.0.1
$ sudo vi /etc/mysql/mysql.conf.d/mysqld.cnf

# 保存退出，然後進入mysql服務，執行授權命令：
$ mysql -uroot -p

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

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

mysql> exit
Bye
$ sudo /etc/init.d/mysql restart

精彩專題分享：

mysql不同版本安裝教程

mysql5.7各版本安裝教程

mysql5.6各版本安裝教程

mysql8.0各版本安裝教程

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