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The use of the undefined constant REQUEST_URI

$_SERVER[REQUEST_URI] is syntactically incorrect and AFAIK will not run on a default installation of PHP 5. The array index is a string so it needs to be passed strings. I know PHP 4 converted undefined constants to strings inside the square brackets but it's still not good practice.

EDIT: Well unless you define a constant called REQUEST_URI in your example script,  $_SERVER['REQUEST_URI'] is the standard method and what you should be using.

$_SERVER["REQUEST_URI"] also works and while not wrong is slightly more work for the PHP interpreter so unless you need to parse it for variables it should not be used.

Shubham | Tuesday 23 September 2014 - 5:58 pm | | Default | No comments

Setting up the check_mk agent on Linux

 1. Verify if the server already has the check_mk agent installed, using the command below:
[root@cpannneltest ~]# rpm -qa | grep check_mk

If this returns any matching package name, this means that the check_mk agent is already installed.

2. If no result is returned by the command above, check_mk is missing, and can be set up as per the steps below:
---------------------------------
[root@cpannneltest ~]# cd /usr/local/src
[root@cpannneltest ~]# wget http://mathias-kettner.de/download/check_mk-agent-1.1.10p3-1.noarch.rpm OR

[root@cpannneltest ~]# wget http://mathias-kettner.com/download/check_mk-agent-1.2.0p3-1.noarch.rpm

[root@cpannneltest ~]# yum --nogpgcheck -y localinstall check_mk-agent-1.1.10p2-1.noarch.rpm xinetd

[root@cpannneltest ~]# sed -i '42 i         only_from      = 17x.x.x.x' "/etc/xinetd.d/check_mk"

[root@cpannneltest ~]# /etc/init.d/xinetd reload
---------------------------------

3. Allow the inbound TCP port 6556 in the firewall.

Now this node can be added in the check_mk admin panel on the Nagios server.

Manoj | Saturday 13 September 2014 - 06:59 am | | Default | No comments
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