Manual operation execution, crontab timing task execution error, brother K

Recently sent an automatic inspection of a machine to send e-mails

All the other machines used to be sendmail.

It's no problem to execute the following command directly

This one is postfix because of the other business.

Here are my scheduled tasks.

0 8 * * */opt/xunjian/xunjian.sh >/opt/xunjian/xunjian;mail-s ' 22.44.55.66 ' [email protected] </opt/xunjian/xunj Ian

Ideal for manual execution, direct display of results in messages

/opt/xunjian/xunjian.sh >/opt/xunjian/xunjian

The previous command has no problem and can be viewed through the results.

I'm brother K.

Mail-s ' 22.44.55.66 ' [email protected] </opt/xunjian/xunjian

The subsequent commands are no problem with manual operation alone.

If you add this order to crontab,

Then the result you see in the message is an attachment with the following name

Tcmime.1205.1205.16703.bin

So the question is, why is it so?

Let's think about it, if there is a problem with the mail configuration, the message will never receive

Messages can be received but displayed as attachments

See Baidu Google, a lot of the same problem

Finally found a reliable answer: crontab environment variables

How to fix it, it's easy to add a reference global variable

Source/etc/profile

I'm brother K.

I'm going to change the order to show the mail as normal.

0 8 * * */opt/xunjian/xunjian.sh >/opt/xunjian/xunjian;source/etc/profile;mail-s ' 133.22.123.22 ' [email protected] </opt/xunjian/xunjian

Or you can execute the file.

0 8 * * */opt/mail.sh

vi/opt/mail.sh

#!/bin/bash

Source/etc/profile

/opt/xunjian/xunjian.sh >/opt/xunjian/xunjian

Mail-s ' 133.22.123.22 ' [email protected] </opt/xunjian/xunjian

Hope can help everyone, thank you

Manual operation execution, crontab timing task execution error, brother K