Scenario / Question: How do I monitor linux software raid array status on a remote linux server Solution / Answer: Use the check_raid plugin and NRPE Download check_raid Plugin on Remote Host Server Downlaod check_lsi_megaraid plugin to /usr/local/nagios/libexec/ from [continue...]

Scenario / Question: How do I monitor LSI MegaRAID controller and raid array status on a remote linux server Solution / Answer: Use the check_lsi_megaraid plugin and NRPE Download check_lsi_megaraid Plugin on Remote Host Server Downlaod check_lsi_megaraid plugin to /usr/local/nagios/libexec/ [continue...]

Scenario / Question: How do I monitor Yum updates on a remote linux server Solution / Answer: Use the check_yum plugin and NRPE Download check_yum Plugin on Remote Host Server Downlaod check_yum plugin to /usr/local/nagios/libexec/ from www.monitorexchange.org check_yum 1. Download the plugin [continue...]

Scenario / Question: I followed the Tutorial on installing and configuring NRPE, but now I want to monitor more services on the remote server. Solution / Answer: You can add services by configuring nrpe.cfg on the remote host and adding a new service definition on the Nagios monitoring [continue...]

Scenario / Question: How do I install the nvidia drivers on Fedora 11 instead of using the nouveau driver Solution / Answer: Install the rpmfusion repo and the akmod-nvidia drivers Install rpmfusion repo Free rpmfusion Repo: # rpm -Uvh [continue...]

Scenario / Question: How do I monitor a remote linux system using Nagios Solution / Answer: Use th NRPE daemon to execute Nagios plugins on the remote server and report back to the monitoring host server. NRPE Remote Server Installation and Setup Create Nagios user account on remote server to [continue...]

Installing Nagios server and network monitoring on Centos 5 server The official documentation can be found at http://support.nagios.com/knowledge-base/official-documentation Install necessary packages yum install httpd gcc glibc glibc-common gd gd-devel php Create Nagios User account and [continue...]

Scenario / Question: How do I move an existing VirtualBox Guest VM to a new server or machine Solution / Answer: There are two ways to do this: 1. Use VBoxManage to make a copy of the VirtualBox VM .vdi and then create a new VirtualMachine on the new server 2. Move your existing VirtualBox VM [continue...]

Scenario / Question: When I enable my nic or network card in a VirtualBox Windows guest the guest crashes with Guru Meditation error Solution / Answer: Change the network adapter type in VirtualBox from PCnet-Fast to Intel PRO Change Network Adapter In VirutalBox manager: Select the Virtual [continue...]

Scenario / Question: How do I make a copy of an existing VirtualBox .vdi disk file Solution / Answer: Use VBoxManage clonevdi Copy VirtualBox .vdi There are a few steps involved in order to make a copy of a VirtualBox .vdi disk file. #1. Shutdown the Virtual Machine or make sure it is not [continue...]