Nagios CentOS install
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[root@merkur tmp]# yum update
[root@merkur tmp]# rpm -Uhv http://apt.sw.be/redhat/el5/en/i386/rpmforge/RPMS/rpmforge-release-0.3.6-1.el5.rf.i386.rpm
[root@merkur tmp]# yum clean all
[root@merkur tmp]# yum install nagios nagios-plugins nagios-plugins-nrpe nagios-devel
[[Category::CentOS]]