<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40"> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> <meta name=Generator content="Microsoft Word 11 (filtered medium)">  <style>  </style> </head> <body lang=EN-US link=blue vlink=purple> <div class=Section1> Can you clarify the “named-pipe”? Thanks. <o:p></o:p> <o:p> </o:p> <div> <div class=MsoNormal align=center style='text-align:center'> <hr size=2 width="100%" align=center tabindex=-1> </div> From: nagios-users-bounces@lists.sourceforge.net [mailto:nagios-users-bounces@lists.sourceforge.net] On Behalf Of Petersen, Mark Sent: Wednesday, January 03, 2007 3:42 PM To: nagios-users@lists.sourceforge.net Subject: Re: [Nagios-users] Problem with External Command File<o:p></o:p> </div> <o:p> </o:p> I’m pretty sure the webserver (apache, nobody, www-data, or whatever you setup) needs write permissions for that file. It may also need to be a named pipe.<o:p></o:p> <o:p> </o:p> <div> <div class=MsoNormal align=center style='text-align:center'> <hr size=2 width="100%" align=center tabindex=-1> </div> From: nagios-users-bounces@lists.sourceforge.net [mailto:nagios-users-bounces@lists.sourceforge.net] On Behalf Of Kaplan, Andrew H. Sent: Wednesday, January 03, 2007 2:29 PM To: nagios-users@lists.sourceforge.net Subject: [Nagios-users] Problem with External Command File<o:p></o:p> </div> <o:p> </o:p> I am running Nagios 2.6 and whenever I want to “schedule a check of all services...”, I get the following error message:<o:p></o:p> <o:p> </o:p> Error: Could not open command file ‘/usr/local/nagios/var/rw/nagios.cmd’ for update.<o:p></o:p> The permissions on the external command file and/or directory may be incorrect…<o:p></o:p> An error occurred while attempting to commit your command for processing.<o:p></o:p> <o:p> </o:p> I first went to the nagios.cfg file and confirmed that external commands were activated, and that the path of the nagios.cmd file,<o:p></o:p> /usr/local/nagios/var/rw/nagios.cmd was uncommented and correct.<o:p></o:p> <o:p> </o:p> I checked the permissions on the nagios directory and its subdirectories. The nagios directory is owned by nagios:nagios, and the<o:p></o:p> permissions on the directory are 777. This is also true for child directories under the main one. The ../nagios/var/rw directory has the<o:p></o:p> same owners and permissions, while the nagios.cmd file is owned by nagios:nagios with the permissions prw-rw----.<o:p></o:p> <o:p> </o:p> Has anyone seen this, and can tell me what I need to do to correct it? Thanks. <o:p></o:p> THE INFORMATION TRANSMITTED IN THIS ELECTRONIC COMMUNICATION IS INTENDED ONLY FOR THE PERSON OR ENTITY TO WHOM IT IS ADDRESSED AND MAY CONTAIN CONFIDENTIAL AND/OR PRIVILEGED MATERIAL. ANY REVIEW, RETRANSMISSION, DISSEMINATION OR OTHER USE OF OR TAKING OF ANY ACTION IN RELIANCE UPON, THIS INFORMATION BY PERSONS OR ENTITIES OTHER THAN THE INTENDED RECIPIENT IS PROHIBITED. IF YOU RECEIVED THIS INFORMATION IN ERROR, PLEASE CONTACT THE SENDER AND THE PRIVACY OFFICER, AND PROPERLY DISPOSE OF THIS INFORMATION. <o:p></o:p> </div> THE INFORMATION TRANSMITTED IN THIS ELECTRONIC COMMUNICATION IS INTENDED ONLY FOR THE PERSON OR ENTITY TO WHOM IT IS ADDRESSED AND MAY CONTAIN CONFIDENTIAL AND/OR PRIVILEGED MATERIAL. ANY REVIEW, RETRANSMISSION, DISSEMINATION OR OTHER USE OF OR TAKING OF ANY ACTION IN RELIANCE UPON, THIS INFORMATION BY PERSONS OR ENTITIES OTHER THAN THE INTENDED RECIPIENT IS PROHIBITED. IF YOU RECEIVED THIS INFORMATION IN ERROR, PLEASE CONTACT THE SENDER AND THE PRIVACY OFFICER, AND PROPERLY DISPOSE OF THIS INFORMATION. </body> </html>