Enabling munin node plug-ins on Debian Rumi, January 18, 2013January 18, 2013 Munin uses plug-ins to determine what data is gathered and reported. It includes several plug-ins for the types of data most people would be interested in, but not all of those plug-ins are enabled on a fresh installation. What are plug-ins? When a munin node gathers data about a slice… Continue Reading
Munin Memcached Installation Rumi, January 16, 2013 Download memcache plugin memcached.tar.gz the plug-in was found here: http://munin-monitoring.org/browser/trunk/plugins/node.d/memcached_.in. The alternate download link is Here- memcached.tar The plug-in is written in Perl and needs the Memcached Perl library installed to communicate with memcache. ~$ apt-get install libcache-memcached-perl ~$ tar -zxvf memcached.tar.gz ~$ cp memcached_ /usr/share/munin/plugins ~$ ln -s /usr/share/munin/plugins/memcached_… Continue Reading
PHP-RRDTool installation on CentOS 5 Rumi, January 13, 2013January 13, 2013 Step-1 Adding Yum Repository Add the Reporforge repository. Then- Yum install php-rrdtool Alternatively, you can download the rpm from http://apt.sw.be/redhat/el5/en/i386/rpmforge/RPMS/php-rrdtool-1.4.4-1.el5.rf.i386.rpm Continue Reading
Monitor MySQL database restore progress with pv Rumi, January 12, 2013 The pv command is one that I really enjoy using but it's also one that I often forget about. You can't get a much more concise definition of what pv does than this one: pv allows a user to see the progress of data through a pipeline, by giving information… Continue Reading
Installing XHProf on Debian Rumi, January 12, 2013January 12, 2013 xhprof provides profiling information, down to the function call. This includes execution time, CPU and memory usage for each operation. The module allows you to find and optimise bottlenecks in your application. The library includes a GUI output, you just use the classes provided to create the reports. I installed… Continue Reading
Nagios- Memory Check Plugin Rumi, January 6, 2013January 6, 2013 Dave the below code as check_mem.sh using nano and chmod it to +x. (file to be saved inside nagios libexec- such as /usr/local/nagios/libexec/check_mem.sh Continue Reading
MySQLTuner adjust your MySQL database Rumi, January 6, 2013 MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stability. Within seconds, it will display statistics about your MySQL installation and the areas where it can be improved. It's key to remember that MySQLTuner is a script… Continue Reading
Adjust Apache ServerLimit and MaxClient Rumi, January 6, 2013 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… Continue Reading
Monitoring multiple server using Munin on Debian/Ubuntu Distribution Rumi, January 6, 2013 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… Continue Reading
Openfiler Install NRPE Rumi, January 1, 2013January 1, 2013 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 INSTALL NRPE ———— cd /usr/local/src/ wget http://downloads.sourceforge.net/project/nagios/nrpe-2.x/nrpe-2.13/nrpe-2.13.tar.gz?r=http%3A%2F%2Fexchange.nagios.org%2Fdirectory%2FAddons%2FMonitoring-Agents%2FNRPE–2D-Nagios-Remote-Plugin-Executor%2Fdetails&ts=1342427280&use_mirror=nchc tar xzfv nrpe-2.12.tar.gz cd nrpe-2.12 Continue Reading