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转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
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Jan 13 11:26:29 mail authdaemond: failed to connect to mysql server (server=localhost , userid=postfix ): Unknown MySQL server host 'localhost ' (2)
Jan 13 11:26:29 mail postfix/smtpd[2829]: warning: SASL authentication failure: could not verify password
Jan 13 12:11:19 mai...
How to create a database from shell command?
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cat filename.sql | mysql -u username -p # type mysql password when asked for it
Where filename.sql holds all the sql to create your database. Or...
echo "create database `database-name`" | mysql -u username -p
If you really only want to cr...
PDO support for multiple queries (PDO_MYSQL, PDO_MYSQLND)
...n one statement. I've been Googleing and found few posts talking about PDO_MYSQL and PDO_MYSQLND.
7 Answers
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MySQL ('root'@'%') does not exist 的问题 - 爬虫/数据库 - 清泛IT社区，为创新赋能！
MySQL ('root'@'%') does not exist的问题：
在使用mysql时出现问题： The user specified as a definer ('root'@'%') does not exist。
一般是由于root用户对全局host无访问权限。因此只要给root用户添加一个访问权限即可。
解决办法：
登陆mysql ，...
grant remote access of MySQL database from any IP address
...nd grants for both localhost and network access. And, of course, be sure mysqld is bound to 0.0.0.0 vs. 127.0.0.1.
– Charlie Reitzel
Aug 8 '19 at 18:41
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Windows重置网络命令 - 环境配置 - 清泛IT论坛，有思想、有深度
启动cmd.exe命令提示窗口，输入以下命令：
命令：netsh winsock reset
回车，重启电脑，即可重置网络连接配置。
在一般的网络连接问题中，这个方法是最简单也是最能彻底解决问题的……
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
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I once had this problem and solved it by installing mysql-server, so make sure that you have installed the mysql-server, not the mysql-client or something else.
That error means the file /var/run/mysqld/mysqld.sock doesn't exists, if you didn't install mysql-server, then the ...
Install MySQL on Ubuntu without a password prompt
How do I write a script to install MySQL server on Ubuntu?
4 Answers
4
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How to get a list of user accounts using the command line in MySQL?
I'm using the MySQL command line utility and can navigate through a database. Now I need to see a list of user accounts. How can I do this?
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MySQL > Table doesn't exist. But it does (or it should)
I changed the datadir of a MySQL installation and all the bases moved correctly except for one.
I can connect and USE the database. SHOW TABLES also returns me all the tables correctly, and the files of each table exists on the MySQL data directory.
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