Hi Team, I am facing exception while configuring NAGIOS on Amazon Linux machine. Attaching exception which I am encountering during installation. Request you to please assist ..read more

Hi All, I am not very good with Linux. My previous manager did setup Nagios on Ubuntu 20 on a physical server. It was running perfect until he left the organisation. We had a power outage and server restarted. Now when I check the network map, there is no colour coding. Before the power outage it used to display Green and Red now it is not. When I check any host it says: Status: pending Status Duration: NaNd NaNh NaNm NaNs Last Status Check: Unknown Last Status Change: Unknown Services: OK. This is the message for every single host. I did restart the server few times, did restart the nagios se ..read more

Hi All, I got hostfile server1.cfg and its ip address and alias etc. Than I got a service group anitvirus_check in services.cfg file Text ### AV SERVICES #### define service{ use generic-service service_description WebRoot AV Service hostgroup_name webroot-servers servicegroups webroot-service-grp contact_groups admins contacts adminuser check_command check_nt!SERVICESTATE!-d SHOWALL -l WRSVC } Now the webroot-service-grp showing 41 hosts inside it. Now the issue, I am replace webroot AV with some other AV. which got a different service name, but each time i remove webroot from a server, t ..read more

I use two systems with a Nagios 4.4.10 installation. On system1 (Ubuntu 22), in the Nagios website, when the mouse is on the graph icon, the text "Perform Extra Service Actions" and also a small Windows with a graph pops-up. On system2 (Ubuntu 20) in the Nagios website, when the mouse is on the graph icon, the text "Perform Extra Service Actions"  but no small Window with a graph pops-up. In the attachment the upper picture is Nagios on system1 and the lower picture is Nagios on system 2. How can I also on system 2 get that pops-up graph? Can that pop-up graph be turned on with the para ..read more

I have multiple deployments of Rancher Kubernetes Engine (RKE). Im wondering if it is possible to monitor containerized environments with Nagios or is it better to stick with something like prometheus/grafana. What are your thoughts ..read more

Hello We are for some reason recieving so many error messages in our nsclient log file. Watch below: And have ran out of ideas as to what is happening and how to stop it. I simply dont know what the "simple_scheduler" is Any ideas? thank you ..read more

I wish to monitor some Cisco Aironet WAPs. I think this is what I need? I do not know how to install/set this up and I need halp. I've got Nagios Core setup on Ubuntu. I am monitoring a couple of Windows hosts and that's as far as I've gotten.  ..read more

I wish to monitor some Cisco Aironet WAPs. I think this is what I need? I do not know how to install/set this up and I need halp. I've got Nagios Core setup on Ubuntu. I am monitoring a couple of Windows hosts and that's as far as I've gotten.  ..read more

I'm trying to setup a Nagios core install. It was working. Now it's not. I've only got 2 Windows hosts in the windows.cfg It throws the following errors about not being able to find the hosts. Text Reading configuration data... Read main config file okay... Error: Could not find any host matching 'windows-servers' (config file '/usr/local/nagios/etc/objects/windows.cfg', starting on line 146) Error: Failed to expand host list 'windows-servers' for service 'Explorer' (/usr/local/nagios/etc/objects/windows.cfg:146) Error processing object config files! ***> One or more problems was encounte ..read more

I am part of a team evaluating software and we have a pretty large environment with over 10,000 hosts that need to be monitored, by host I basically mean devices or IP addresses, so a physical server   via iDRAC or iLO and the operating system as a second host then all of the virtual machines and storage arrays as well as network switches and firewalls etc.. Hardware cost is not really an issue other than that most of our VM hosts are not high clock speed processors.  Nagios recommends a physical box for Enterprise rollouts is that what people are using or are you just using rob ..read more