本文解决在使用MySQL时遇到的连接错误，详细介绍了两种解决方案：直接指定mysql通道和创建符号链接（软链接），帮助用户解决无法通过默认路径连接本地MySQL服务的问题。
我在源码编译安装mysql后，虽然mysql服务可以正常启动，但是当我直接执行mysql后，出现了错误。
错误提示如下：
[root@server98 ~]# mysql
ERROR2002 (HY000): Can't connect to local MySQL server through socket'/tmp/mysql.sock' (2)
出现错误原因：
由于mysql默认的mysql.sock是在/var/lib/mysql/mysql.sock，但linux系统总是去/tmp/mysql.sock查找，所以会报错。
[root@server98 ~]# find / -namemysql.sock
/usr/local/mysql/data/mysql.sock
解决方法如下：
1.直接指定mysql通道
[root@server98 ~]# mysql--socket=/usr/local/mysql/data/mysql.sock
Welcome to the MySQL monitor. Commandsend with ; or \g.
Your MySQL connection id is 4
Server version: 5.6.10 Sourcedistribution
Copyright (c) 2000, 2013, Oracle and/orits affiliates. All rights reserved.
Oracle is a registered trademark ofOracle Corporation and/or its
affiliates. Other names may betrademarks of their respective
owners.
Type 'help;' or '\h' for help. Type'\c' to clear the current input statement.
mysql>
2.创建符号链接（软链接）
为mysql.sock增加软链接（相当与Windows下的快捷方式）
[root@server98 tmp]#ln -s/usr/local/mysql/data/mysql.sock /tmp/mysql.sock
[root@server98 ~]# mysql
Welcome to the MySQL monitor. Commandsend with ; or \g.
Your MySQL connection id is 5
Server version: 5.6.10 Sourcedistribution
Copyright (c) 2000, 2013, Oracle and/orits affiliates. All rights reserved.
Oracle is a registered trademark ofOracle Corporation and/or its
affiliates. Other names may betrademarks of their respective
owners.
Type 'help;' or '\h' for help. Type'\c' to clear the current input statement.
mysql>
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