Fix the Cockpit Blank Page After Login Over Nginx Reverse Proxy

reverse_proxy_nginx-cockpit.md

1. Create new file cockpit.conf on /etc/cockpit, and enter following script in to cockpit.conf.

[WebService]
AllowUnencrypted=true

2. Update or Create new file conf nginx for access cockpit.

map $http_upgrade $connection_upgrade {
default upgrade;
'' close;
}

upstream cockpit {
    server localhost:9090;
}

server {
    server_name cockpit.domain.com;

    location / {
        proxy_pass http://cockpit;
        proxy_http_version 1.1;
        proxy_buffering off;
        proxy_set_header X-Real-IP  $remote_addr;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $remote_addr;
        # needed for websocket
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        # change scheme of "Origin" to http
        proxy_set_header Origin http://$host;

        # Pass ETag header from cockpit to clients.
        # See: https://github.com/cockpit-project/cockpit/issues/5239
        gzip off;
    }
}