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mysql服务启动却连接不上的解决方法

2017年12月12日  | 移动技术网IT编程  | 我要评论

mysql服务启动，但是连接不上，如何解决？

登陆报错：

  root@localhost:~# mysql -u root -p
  enter password:
  error 2002 (hy000): can't connect to local mysql server through socket '/var/lib/mysql/mysql.sock' (2)
  root@localhost:~# service mysqld restart
  shutting down mysql..                   [ ok ]
  starting mysql.                      [ ok ]
  root@localhost:~# mysql -u root -p
  enter password:
  error 2002 (hy000): can't connect to local mysql server through socket '/var/lib/mysql/mysql.sock' (2)

分析原因：

原因不详，知道了补上

解决方案一：

 root@localhost:~# find / -name mysql.sock
 /tmp/mysql.sock
 root@localhost:~# mysql -u root -p -s /tmp/mysql.sock
 enter password:
 welcome to the mysql monitor. commands end with ; or \g.
 your mysql connection id is 1
 server version: 5.6.15-log source distribution

 copyright (c) 2000, 2011, 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>

解决方案二：

 root@localhost:~# find / -name mysql.sock
 /tmp/mysql.sock
 root@localhost:~# vi /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
# default to using old password format for compatibility with mysql 3.x
# clients (those using the mysqlclient10 compatibility package).
old_passwords=1

# disabling symbolic-links is recommended to prevent assorted security risks;
# to do so, uncomment this line:
# symbolic-links=0

# 加上下面的这段代码即可
[mysql]
socket=/tmp/mysql.sock

[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

root@localhost:~# mysql -u root -p
enter password:
welcome to the mysql monitor. commands end with ; or \g.
your mysql connection id is 3
server version: 5.6.15-log source distribution

copyright (c) 2000, 2011, 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>

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