Problem getting past main page
Kaplan, Andrew H.
AHKAPLAN at PARTNERS.ORG
Thu Jun 25 16:39:05 CEST 2009
Hi there --
I can answer your questions in the order they were asked:
1. I made sure to restart apache after the changes were made via the "sudo
/etc/init.d/httpd restart" command syntax.
2. The output of the apachectl configtest is the following:
[Thu Jun 25 10:22:48 2009] [warn] The ScriptAlias directive in
/etc/httpd/conf/httpd.conf at line 566 will probably never match because it
overlaps an earlier Alias.
[Thu Jun 25 10:22:48 2009] [warn] The Alias directive in
/etc/httpd/conf/httpd.conf at line 583 will probably never match because it
overlaps an earlier Alias.
Syntax OK
3. The files that are located in the /usr/local/nagios/sbin directory are the
following:
-rwxrwxr-x 1 nagios nagios 229964 Jun 24 15:48 avail.cgi
-rwxrwxr-x 1 nagios nagios 225272 Jun 24 15:48 cmd.cgi
-rwxrwxr-x 1 nagios nagios 193036 Jun 24 15:48 config.cgi
-rwxrwxr-x 1 nagios nagios 246284 Jun 24 15:48 extinfo.cgi
-rwxrwxr-x 1 nagios nagios 197292 Jun 24 15:48 histogram.cgi
-rwxrwxr-x 1 nagios nagios 176684 Jun 24 15:48 history.cgi
-rwxrwxr-x 1 nagios nagios 172812 Jun 24 15:48 notifications.cgi
-rwxrwxr-x 1 nagios nagios 168460 Jun 24 15:48 outages.cgi
-rwxrwxr-x 1 nagios nagios 172844 Jun 24 15:48 showlog.cgi
-rwxrwxr-x 1 nagios nagios 234156 Jun 24 15:48 status.cgi
-rwxrwxr-x 1 nagios nagios 190220 Jun 24 15:48 statusmap.cgi
-rwxrwxr-x 1 nagios nagios 188940 Jun 24 15:48 statuswml.cgi
-rwxrwxr-x 1 nagios nagios 172588 Jun 24 15:48 statuswrl.cgi
-rwxrwxr-x 1 nagios nagios 193100 Jun 24 15:48 summary.cgi
-rwxrwxr-x 1 nagios nagios 184940 Jun 24 15:48 tac.cgi
-rwxrwxr-x 1 nagios nagios 201388 Jun 24 15:48 trends.cgi
4. The permissions of the files would seem to indicate the apache user has read
and execute permissions. If necessary, I can change the permissions
to match those of the owner and group.
5. I ran the tail -f command on the error_log file, and went through the motions
of clicking on the links of the main page. The error messages appeared
on-screen, while the following entries appeared in the log file:
[Thu Jun 25 10:29:38 2009] [error] [<nagios server>] File does not exist:
/usr/local/nagios/share/cgi-bin, referer: http://<nagios server>/nagios/side.php
<http://132.183.12.194/nagios/side.php>
[Thu Jun 25 10:29:44 2009] [error] [<nagios server>] File does not exist:
/usr/local/nagios/share/cgi-bin, referer: http://<nagios server>/nagios/side.php
<http://132.183.12.194/nagios/side.php>
[Thu Jun 25 10:29:48 2009] [error] [<nagios server>] File does not exist:
/usr/local/nagios/share/cgi-bin, referer: http://<nagios server>/nagios/side.php
<http://132.183.12.194/nagios/side.php>
6. When I go to the http://<nagioshost>/nagios page, I get the splash screen for
the Nagios application. The error occurs whenever I click on any of the
links starting from the Current Status group and going down the list.
7. The host in question is a CentOS 5.3 system running on the i386 architecture.
8. The original Nagios 2.6 directory was copied as a tar file and via sftp from
the original Nagios server to the new one. The tar file was extracted into the
/usr/local directory. The nagios user and group were created, with the
former being given a home directory and utilizing the nologin shell. The Nagios
3.1.2 application was compiled from source on the new server, with the
following arguments:
configured by ./configure, generated by GNU Autoconf 2.61, with options
\"'--prefix=/usr/local/nagios' '--with-nagios-user=nagios'
'--with-nagios-grp=nagios'\"
What do you think?
________________________________
From: Guy Waugh [mailto:guidosh at gmail.com]
Sent: Thursday, June 25, 2009 9:57 AM
To: Kaplan, Andrew H.; nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Problem getting past main page
Hi again,
Strange...
Some questions:
You're sure you restarted apache after editing httpd.conf?
What is the output of 'apachectl configtest'?
What files are in /usr/local/nagios/sbin -- are they files like 'status.cgi',
'avail.cgi', 'cmd.cgi' etc.? Are they executable by the user that apache is
running as?
Is there anything useful in the apache error logs?
What do you see when you go to http://<nagioshost>/nagios with your web browser?
Is that when you get the error below?
Is the nagios host a Linux or Unix host (sorry, can't remember if you've
specified this before)? If so, which flavour/version?
Did you compile nagios on this host, install it via a package manager, or copy
it from another host?
Cheers,
Guy.
On Thu, Jun 25, 2009 at 2:35 PM, Kaplan, Andrew H. <AHKAPLAN at partners.org>
wrote:
Hi there --
Thanks for your reply. I made the change that you suggested, and
subsequently restarted the Apache and Nagios applications.
Unfortunately, the problem still occurs. Here is the output that I am
seeing:
Not Found
The requested URL /nagios/cgi-bin/status.cgi was not found on this
server.
I can't figure out what is going on with this. Enclosed is the updated
version of the httpd.conf with the changes that were suggested.
I am desperate at this point...
________________________________
From: Guy Waugh [mailto:guidosh at gmail.com]
Sent: Thursday, June 25, 2009 4:15 AM
To: Kaplan, Andrew H.; nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Problem getting past main page
Hi Andrew,
On Thu, Jun 25, 2009 at 12:24 AM, Kaplan, Andrew H.
<AHKAPLAN at partners.org> wrote:
This issue is an offshoot of the Problem in preflight check with
commands.cfg.
I went ahead and copied the nagios directory from our original
server to the new
one. Once that was done, I did the upgrade to version 3.1.2 of
nagios. The main page
of the application appears without a problem. However, whenever
I try to go to any one
of the links from the main page, an error message similar to the
one below appears
on-screen:
Not Found
The requested URL /nagios/cgi-bin/status.cgi was not found on
this server.
Looking at your attached httpd.conf file, you seem to have configured
the URL '/cgi-bin/nagios' to be the ScriptAlias for the nagios CGIs, but then
you are trying to access them with the URL '/nagios/cgi-bin'. Provided the
Nagios CGI scripts are in /usr/local/nagios/sbin, as they are by default, you
should probably define your ScriptAlias like this:
ScriptAlias /nagios/cgi-bin "/usr/local/nagios/sbin"
Cheers,
Guy.
I noticed that after I inserted the snippets from the
nagios.conf file into the
httpd.conf file, and subsequently restarted the Apache server,
the following
errors appeared on-screen:
Starting httpd: The ScriptAlias directive in
/etc/httpd/conf/httpd.conf at line
566 will probably never match because it overlaps an earlier
ScriptAlias.
[warn] The Alias directive in /etc/httpd/conf/httpd.conf at line
583 will
probably never match because it overlaps an earlier Alias.
I have enclosed a copy of the httpd.conf file in its present
version. I am at a
lossas to why the error message is occurring, and I would really
appreciate help on
this.
<<httpd.conf>>
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