Crond-centos6.5 timed backup mysql export mysql data size is 0

Source: Internet
Author: User
Centos scheduled task execution mysql data backup when homewwwshell writes a shell script to add execution permission when scheduled execution of the SQL file size everywhere is 0 and no error log output if executed separately. xxx. the SQL exported by sh is normal. I wonder if any mysqlcrondmysqldump is encountered.

Execute mysql data backup for centos scheduled tasks
Add the execution permission to/home/www/shell/by writing a shell script.
The SQL file size everywhere during scheduled execution is 0 with no error log output
The SQL statement exported by./xxx. sh is normal.
The problem is strange. I don't know if I have encountered it.

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