Upgrade Nagios 3 to Nagios 4

If you are already running an older version of Nagios you can upgrade it anytime you just need to download the latest tar archive of it and configure it [root@nagios ]# service nagios stop [root@nagios ]# wget http://prdownloads.sourceforge.net/sourceforge/nagios/nagios-4.2.0.tar.gz [root@nagios ]# tar -zxvf nagios-4.2.0.tar.gz [root@nagios ]# cd nagios-4.2.0 [root@nagios ]# ./configure [root@nagios ]# make all [root@nagios …

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