I have installed nagios-4.3.4 and nagios-plugins-2.2.1 on RHEL 7.2
Have followed Nagios Core installation procedure and there were no errors in between.
While launching Web GUI am getting error as- 'Could not open '' for reading'
httpd service is running, have changed user/group ownership to nagios for htpasswd.users file. Stopped firewall, but still same error.
Unable to launch Nagios Web GUI
Re: Unable to launch Nagios Web GUI
Is Selinux disabled?
Is Nagios running?
Try going back to the Web UI and see if it works?
If not, could you send us some of your logs?
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getenforce
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systemctl status nagios.service
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systemctl restart nagios.service
If not, could you send us some of your logs?
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tail -50 /var/log/messages
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tail -50 /var/log/httpd/error_log