Linux Mint mysql-server和mysql-workbench安装和设置问题 [英] linux mint mysql-server and mysql-workbench installation and setup issue

问题描述

我试图在笔记本电脑上安装的操作系统以下

I tried to below OS installed on my laptop

Mint version 19, 
Code name : Tara,
PackageBase : Ubuntu Bionic
Cinnamon (64-bit)

我已经使用以下命令安装了mysql-server:

I have installed mysql-server using below command:

xxxxxxx:~$ sudo apt-get install mysql-server

在此安装过程中，未提示我输入任何root密码. 要查看安装是否成功，我运行了以下命令:

During this installation I was not prompted to enter any root password. TO see if installation was successful, I ran below command:

xxxxxxxxxx:~$ mysql -V
mysql  Ver 14.14 Distrib 5.7.23, for Linux (x86_64) using  EditLine wrapper
xxxxxxxxxx:~$ sudo service mysql status
● mysql.service - MySQL Community Server
   Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
   Active: active (running) since Sun 2018-09-30 21:59:42 EDT; 9s ago
 Main PID: 3518 (mysqld)
    Tasks: 27 (limit: 4915)
   CGroup: /system.slice/mysql.service
           └─3518 /usr/sbin/mysqld --daemonize --pid-file=/run/mysqld/mysqld.pid

Sep 30 21:59:41 globallogic systemd[1]: Starting MySQL Community Server...
Sep 30 21:59:42 globallogic systemd[1]: Started MySQL Community Server.

由于没有提示我设置任何root密码，所以我想到了设置root密码.

As I was not prompted to set any root password, I thought of setting root password.

xxxxxxxx:~$ mysqladmin -u root password
mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user 'root'@'localhost''
xxxxxxxx:~$ sudo mysqladmin -u root password
New password: 
Confirm new password: 
Warning: Since password will be sent to server in plain text, use ssl connection to ensure password safety.

1.为什么不能以root用户身份登录不能使用"mysqladmin"命令?

2.如何修复mysqladmin设置root密码的警告?如果决定使用该密码，将来是否可以在mysql工作台中使用该密码?

设置root密码(假设是正确的设置方式)后，我已经安装了mysql-workbench

After setting root password(assuming that's the right way to set it) , I have installed mysql-workbench

xxxxxxx:~$ sudo apt-get install mysql-workbench

当我启动mysql工作台时，我无法连接到 使用主机名:localhost和端口:3306的用户:root和使用mysqladmin命令设置的密码.

When I launch mysql workbench, I can't be able to connect to user:root using hostname: localhost and port: 3306 and password set using mysqladmin command.

我还尝试使用主机名:127.0.0.1，但这也不起作用.

I also tried to use hostname: 127.0.0.1 but that didn't work either.

3.如何解决mysql-workbench问题?

我在互联网上寻找答案，并尝试了多种解决方案，但没有一个奏效.

I looked on internet to find answers for this and tried multiple solutions, but none worked.

希望在这里获得更清晰的答案.

Hoping to get cleaner answer here.

推荐答案

注意:已安装 mysql工作台版本6.3 和 mysql服务器版本5.7

在安装之前，我清除了Linux计算机上的所有mysql文件/引用.

Before installing I cleaned any mysql files/references I had on my linux machine.

sudo apt-get remove --purge mysql*  
sudo apt-get purge mysql*  
sudo apt-get autoremove  
sudo apt-get autoclean  
sudo apt-get remove dbconfig-mysql

以下步骤对我来说效果很好-

1. 转到MySQL APT存储库的下载页面，网址为 https://dev.mysql.com/downloads/repo/apt/并下载了 mysql-apt-config_0.8.10-1_all.deb

确保所有内容都是最新的.

Made sure everything is up to date.

xxxxxxxxx:~/Downloads$ sudo apt-get update

1. 安装了下载的deb文件.

xxxxxxxxx:~/Downloads$ sudo dpkg -i mysql-apt-config_0.8.10-1_all.deb 
Selecting previously unselected package mysql-apt-config.
(Reading database ... 273762 files and directories currently installed.)
Preparing to unpack mysql-apt-config_0.8.10-1_all.deb ...
Unpacking mysql-apt-config (0.8.10-1) ...
Setting up mysql-apt-config (0.8.10-1) ...
Warning: apt-key should not be used in scripts (called from postinst maintainerscript of the package mysql-apt-config)
OK

在此步骤中，选择了mysql服务器版本5.7

during this step chose mysql server version 5.7

1. 运行完 sudo apt-get update 然后运行

1. After this ran sudo apt-get update and then ran

xxxxxxxxx:~/Downloads$ sudo apt-get install mysql-server

在此步骤中，系统提示我设置root密码.最终将根密码设置为"pa $$ word"

during this step, I was prompted to to set root password. Ended up setting root password as 'pa$$word'

如果不提示您设置root密码，则可以在完成上述命令后遵循以下命令. 须藤mysql

If you are not prompted to set root password then you can follow following commands once above command is completed. sudo mysql

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'pa$$word';
exit;

1. 安装成功后检查状态

xxxxxxxxx:~/Downloads$ sudo service mysql status
● mysql.service - MySQL Community Server
   Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
   Active: active (running) since Mon 2018-10-01 15:31:19 EDT; 29s ago
 Main PID: 23029 (mysqld)
    Tasks: 27 (limit: 4915)
   CGroup: /system.slice/mysql.service
           └─23029 /usr/sbin/mysqld --daemonize --pid-file=/var/run/mysqld/mysqld.pid

Oct 01 15:31:18  systemd[1]: Starting MySQL Community Server...
Oct 01 15:31:19  systemd[1]: Started MySQL Community Server.

1. 然后尝试检查是否可以转到mysql提示符.

xxxxxxxx:~/Downloads$ mysql -u root -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.23 MySQL Community Server (GPL)

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> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.00 sec)

mysql> quit
Bye

1. 然后使用以下命令安装mysql工作台

xxxxxxxxxxx:〜/下载$ sudo apt-get install mysql-workbench

xxxxxxxxxxx:~/Downloads$ sudo apt-get install mysql-workbench

1. 从Linux mint 19的开始"菜单启动mysql工作台. 在此，服务器连接具有参数，例如主机名:127.0.0.1，端口:3306，用户名:root，密码:pa $$ word .经过测试的连接-成功.

1. Launched mysql workbench from start menu on linux mint 19. Here Server connection has parameteres like hostname: 127.0.0.1 , port:3306, Username: root, password: pa$$word. The tested connection - successful.

双击连接即可启动实例.

double clicked connection and it launched instance fine.

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