Linux Administration Cookbook

Nagios

On centos1, let's install Nagios from EPEL:

$ sudo yum install -y epel-release$ sudo yum install -y httpd nagios nagios-plugins-all nagios-plugins-nrpe

Now that's finished (which can take some time, as there are a lot of plugins), we should start and enable our service, along with httpd, which should be installed by default:

$ sudo systemctl enable --now nagios$ sudo systemctl enable --now httpd

Out of the box, you will get an insecure nagios-web setup. If you've connected to your Vagrant VM as suggested previously, you should now be able to navigate to the web interface on the forwarded port (http://127.0.0.1:8080/nagios):

We actually ...