Tags » Nagios

Nagios Doesn't Suck (As much as people think)

My predecessor at my current company used a platform called check_mk to monitor our network.  Unfortunately, check_mk has a feature that populates based on network discovery and can be very chatty. 538 more words

Tech Talk

Nagios 4 on Ubuntu 16.04

I have been trying to install, configure and use Nagios on Ubuntu 16.04 OS and for some reason or the other, have not been able to get it going. 748 more words


Nagios "Socket timeout" Troubleshooting

Nagios is a free and open source computer software application that monitors systems, networks and infrastructure. Nagios is easy to deploy, monitor and, troubleshooting. There’s a… 388 more words


Configuring SSL/TLS on Nagios

This post describes how to configure SSL/TLS on your Nagios server. During the initial setup, I’m using CentOS 7.x.

yum install -y mod_ssl openssl

Next, go to root’s home directory. 380 more words


Nagios Notifications Not Working

If for some reason, your Nagios server stops sending out host alerts it’s more than likely that recent update broke it. If that is the case, you will need to re-run the update, which should fix the issue. 166 more words


XINETD/NRPE | Cannot Write to Pidfile

 Cannot write to pidfile ‘/var/run/nagios/nrpe.pid’ – check your privileges.

This error occurs when the “pidfile” cannot be rewritten. In most cases, this happens after a reboot and the file itself is read-only instead of read/write. 196 more words