[trouble shooting] 没关闭mysql服务器直接重启linux

 

问题情境

没有关闭mysqld服务器，直接重启linux，重启linux后报错

[root@localhost ~]# /usr/local/mysql/bin/mysql 
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)

解决方案

重新启动MySQL服务器

[root@localhost ~]# /usr/local/mysql/bin/mysqld  --user=mysql
151227 15:20:19 [Note] /usr/local/mysql/bin/mysqld (mysqld 5.5.47) starting as process 2405 ...
151227 15:20:19 [Note] Plugin 'FEDERATED' is disabled.
151227 15:20:19 InnoDB: The InnoDB memory heap is disabled
151227 15:20:19 InnoDB: Mutexes and rw_locks use GCC atomic builtins
151227 15:20:19 InnoDB: Compressed tables use zlib 1.2.3
151227 15:20:19 InnoDB: Using Linux native AIO
151227 15:20:19 InnoDB: Initializing buffer pool, size = 128.0M
151227 15:20:19 InnoDB: Completed initialization of buffer pool
151227 15:20:19 InnoDB: highest supported file format is Barracuda.
151227 15:20:20  InnoDB: Waiting for the background threads to start
151227 15:20:21 InnoDB: 5.5.47 started; log sequence number 17266717
151227 15:20:21 [Note] Server hostname (bind-address): '0.0.0.0'; port: 3306
151227 15:20:21 [Note]   - '0.0.0.0' resolves to '0.0.0.0';
151227 15:20:21 [Note] Server socket created on IP: '0.0.0.0'.
151227 15:20:21 [Note] Event Scheduler: Loaded 0 events
151227 15:20:21 [Note] /usr/local/mysql/bin/mysqld: ready for connections.
Version: '5.5.47'  socket: '/tmp/mysql.sock'  port: 3306  MySQL Community Server (GPL)

 

[root@localhost data]# /usr/local/mysql/bin/mysql 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.5.47 MySQL Community Server (GPL)

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