Mail Stopped working...

[ruffsense]

You can visit the service details page of one of your services and use the "Send custom service notification" button to send a test notification, this will be sent to contacts assigned to the configuration file.

In my nagios.log i get this error...

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[1366714850] EXTERNAL COMMAND: SEND_CUSTOM_SVC_NOTIFICATION;localhost;Swap Usage;0;c.vanaxel;test
[1366714850] SERVICE NOTIFICATION: nagiosadmin;localhost;Swap Usage;CUSTOM (OK);notify-service-by-email;SWAP OK - 100% free (3967 MB out of 3967 MB);c.vanaxel;test
[1366714850] Warning: Attempting to execute the command "/usr/bin/printf "%b" "***** Nagios *****\n\nNotification Type: CUSTOM\n\nService: Swap Usage\nHost: localhost\nAddress: 127.0.0.1\nState: OK\n\nDate/Time: Tue Apr 23 13:00:50 CEST 2013\n\nAdditional Info:\n\nSWAP OK - 100% free (3967 MB out of 3967 MB)\n" | /bin/mail -s "** CUSTOM Service Alert: localhost/Swap Usage is OK **" [email protected]" resulted in a return code of 127.  Make sure the script or binary you are trying to execute actually exists...

[gshergill]

Hi ruffsense,

Can you run the command below and post the output please:

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ls -l /bin/mail

Was your mail working fine before? Which mail server did you install?

Thank you.

Kind Regards,

Gary Shergill

[ruffsense]

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ls: cannot access /bin/mail: No such file or directory

I installed sendmail

[gshergill]

Hi ruffsense,

ls: cannot access /bin/mail: No such file or directory

You need to change your mail command in commands.cfg to the location of your mail.

I'm not entirely sure where it is for sendmail, I used postfix and heirloom-mailx so mine would be different.

The change required is the /bin/mail part of the notification command, maybe try /usr/bin/mail, i.e.

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define command {
   command_name                      notify-host-by-email
   command_line                      /usr/bin/printf "%b" "***** Nagios *****\n\nNotification Type: $NOTIFICATIONTYPE$\nHost: $HOSTNAME$\nState: $HOSTSTATE$\nAddress: $HOSTADDRESS$\nInfo: $HOSTOUTPUT$\n\nDate/Time: $LONGDATETIME$\n" | /usr/bin/mail -s "** $NOTIFICATIONTYPE$ Host Alert: $HOSTNAME$ is $HOSTSTATE$ **" $CONTACTEMAIL$
   register                          1
}   

define command {
   command_name                      notify-service-by-email
   command_line                      /usr/bin/printf "%b" "***** Nagios *****\n\nNotification Type: $NOTIFICATIONTYPE$\n\nService: $SERVICEDESC$\nHost: $HOSTALIAS$\nAddress: $HOSTADDRESS$\nState: $SERVICESTATE$\n\nDate/Time: $LONGDATETIME$\n\nAdditional Info:\n\n$SERVICEOUTPUT$" | /usr/bin/mail -s "** $NOTIFICATIONTYPE$ Service Alert: $HOSTALIAS$/$SERVICEDESC$ is $SERVICESTATE$ **" $CONTACTEMAIL$
   register                          1
}   

Maybe wait for one of the Nagios support staff to reply with the exact location though incase mine is wrong.

Good luck!

Kind Regards,

Gary Shergill

[ruffsense]

Hi ruffsense,

ls: cannot access /bin/mail: No such file or directory

You need to change your mail command in commands.cfg to the location of your mail.

I'm not entirely sure where it is for sendmail, I used postfix and heirloom-mailx so mine would be different.

The change required is the /bin/mail part of the notification command, maybe try /usr/bin/mail, i.e.

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define command {
   command_name                      notify-host-by-email
   command_line                      /usr/bin/printf "%b" "***** Nagios *****\n\nNotification Type: $NOTIFICATIONTYPE$\nHost: $HOSTNAME$\nState: $HOSTSTATE$\nAddress: $HOSTADDRESS$\nInfo: $HOSTOUTPUT$\n\nDate/Time: $LONGDATETIME$\n" | /usr/bin/mail -s "** $NOTIFICATIONTYPE$ Host Alert: $HOSTNAME$ is $HOSTSTATE$ **" $CONTACTEMAIL$
   register                          1
}   

define command {
   command_name                      notify-service-by-email
   command_line                      /usr/bin/printf "%b" "***** Nagios *****\n\nNotification Type: $NOTIFICATIONTYPE$\n\nService: $SERVICEDESC$\nHost: $HOSTALIAS$\nAddress: $HOSTADDRESS$\nState: $SERVICESTATE$\n\nDate/Time: $LONGDATETIME$\n\nAdditional Info:\n\n$SERVICEOUTPUT$" | /usr/bin/mail -s "** $NOTIFICATIONTYPE$ Service Alert: $HOSTALIAS$/$SERVICEDESC$ is $SERVICESTATE$ **" $CONTACTEMAIL$
   register                          1
}   

Maybe wait for one of the Nagios support staff to reply with the exact location though incase mine is wrong.

Good luck!

Kind Regards,

Gary Shergill

Is this also possible?

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/usr/sbin/sendmail

[ruffsense]

I have to nagios core servers. On both i installed sendmail. On one it works fines.

(this one is good)ls -l /var/spool/mail/

-rw-rw----. 1 nagios mail 1977441 Jun 16 2012 nagios
-rw-------. 1 root root 60686 Mar 31 19:01 root

(this one is wrong)ls -l /var/spool/mail/
-rw-rw----. 1 nagios mail 0 Apr 12 10:52 nagios
-rw------- 1 root root 4547 Apr 23 15:53 root
It stay''s zero

[gshergill]

Hi ruffsense,

That should be fine, I'm not sure where sendmail is, /usr/bin/mail was just a guess.

If you think it's /usr/sbin/sendmail you should use that, hopefully it works!

Kind Regards,

Gary Shergill

[scottwilkerson]

or you can just type

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which sendmail

to know for sure what one you have...

[ruffsense]

or you can just type

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which sendmail

to know for sure what one you have...

I finally found an error...

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NOQUEUE: SYSERR(nagios): can not chdir(/var/spool/clientmqueue/): Permission denied

(1/2): sendmail-8.14.4-8.el6.x86_64.rpm
(2/2): sendmail-cf-8.14.4-8.el6.noarch.rpm

[ruffsense]

Problem is solved.

I added the nagios user to the group: snmsp

thnx for the fast respaonce and help!