I wanted to upgrade all ELK tools from 6.2 to 6.5.1, but I am encountering that same problem all the time, even if I uninstalled and installed all again, from chef cookbooks.
The problem is that Kibana web app http://127.0.0.1:5601/ cannot load some of its style sheets. I am getting 404 (Not Found) all the time.
Actually no, I have found this standard upgrade procedure later, when I was looking for a solution to my problem. But now I am on the level that I uninstall all (--purge, remove all folders) and try to install it as fresh new ELK server, but still with those errors.
@Kleon There may be an issue or bug with the package from the package repository for your system. Can you try install from a tarball from https://elastic.co/downloads?
If that works, could you reply back with your system information so we could maybe get to the bottom of the packaging issue? OS version and the package manager (yum, apt, etc) you are using would be helpful!
Ok, so I've finally found out that the problem was missing right Apache configuration (reverse proxy entries) to pass the requests to Kibana webserver.
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