[root@slave support-files]# mysql -uroot -p123
-bash: mysql: command not found

#我的mysql編譯安裝指定的路徑是--basedir=/usr/local/mysql
[root@slave support-files]# ln -fs /usr/local/mysql/bin/mysql /usr/local/bin/

#還有其它常用命令mysqladmin、mysqldump等不可用時候都可按用此方法解決。

[root@slave support-files]# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.

Copyright (c) 2000, 2014, 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>

mysql故障（找不mysql命令）