Month: January 2013

Adjust Apache ServerLimit and MaxClient

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MaxClients actually tells the apache to allow this many concurrent clients.

Normally this limit is at 150. You can change this limit by editing your httpd.conf file.

httpd.conf is normally located at /etc/httpd/conf/httpd.conf

nano /etc/httpd/conf/httpd.conf

ServerLimit directive to let the value of MaxClients above 256 work.
By deafult ServerLimit is 256 (and is usually not already there in httpd.conf). If it is in your httpd.conf increase it above 256 or if it is not there add it in your httpd.conf

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Monitoring multiple server using Munin on Debian/Ubuntu Distribution

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This tutorial was written for Debian Etch, but the configuration should apply to other distributions with little changes as well.

I want to say first that this is not the only way of setting up such a system. There are many ways of achieving this goal but this is the way I take. I do not issue any guarantee that this will work for you!

 

1 Preliminary Note

Our munin server's hostname is server1.example.com (IP address: 192.168.0.100), and we have a web site www.example.com on it with the document root /var/www/www.example.com/web on it.

I'm using one munin client here, server2.example.com (IP address: 192.168.0.101). Of course, you can add as many client systems as you like.

 

2 Install And Configure munin On The Server

munin server (server1.example.com):

To install the munin client and server on Debian Etch, we do this:

apt-get install munin munin-node

Next, we must edit the munin configuration file /etc/munin/munin.conf. We want munin to put its output into the directory

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Openfiler Install NRPE

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INSTALL Compiler Dependency

conary update gcc (a C-Compilter to compile the NRPE)
conary update glibc:devel
conary update openssl:devel
conary update xinetd
Add User
——–
useradd nagios
passwd nagios
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