Ruby—Mysql2::Error: Can't connect to MySQL server on '127.0.0.1' (61)

问题出现:

直接导github上的ruby项目,在bundle install之后,rails server出现错误

Could not find gem 'mysql2 (>= 0) ruby' in the gems available on this machine.

解决方法:

Mac上安装的默认sqlite3

所以,先安装 brew install mysql

再安装 gem install mysql2

success!


另一问题:

localhost:3000 出现 

Access denied for user 'root'@'localhost' (using password: YES)

解决:

杀死MYSQL进程

 killall -TERM mysqld

重新启动MySQL

mysqld --skip-grant-tables

进入MySQL操作数据库

mysql -uroot -p

更新root帐户的密码

$mysql> UPDATE user SET Password=PASSWORD('my_password') where USER='root';
$mysql> FLUSH PRIVILEGES;

重连接数据库


mysql restart
$ mysql -u root -p

Enter password: my_password


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