404-error when accessing Web Gui

Troubleshooting
1

** CheckMK Enterprise Version 2.3.0p11.cee**
OS version: CentOS Stream 9

Error message: 404 Not Found - The requested URL was not found on this server

omd status shows everything runnung and green.
I have also ran this command, which has helped me before: omd update-apache-config site

Still nothing works. I had to reset my linux root password, after reboot this happend. I haven’t rebooted the machine for a while so I’m not sure if it happens because I changed the root password. I also tried updating from 2.2 to 2.3, same error happens on version 2.3.

Would appreciate any help or ideas, thanks!

2

quick update:
when I create a new site, same thing happens. So I guess it’s a problem with the apache running under my linux system. When I run " systemctl status httpd it says active (running)…

3

You should consider to check SELinux and Firewall setting. For testing purpose you can stop both and check if you able to access your checkmk site.

getenforce
setenforce 0
systemctl stop firewalld

If your access now is working you might would like to configure SELinux and the firewalld, have a look the docs for details:

4

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