DNS Alteration

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Make sure that your wings are running using systemctl status wings and that your Wings ports (by default 8080/2022) are open in your firewall or router. This website can check your ports https://dnschecker.org/port-scanner.php

Browser console errors can also provide additional debugging information. More troubleshooting steps can be found at https://pterodactyl.io/panel/1.0/troubleshooting.html#cannot-connect-to-server-errors

Should the panel and wings be located on the same network, you might experience NAT reflection issues. In that case, type .nat for more information.

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You already have an instance of Wings running through systemd service and are trying to start another duplicate instance, for example by using the commands wings and wings --debug, or another service is using the port.

Use ss -plnt | grep :8080 (or grep :8443 depending on the port) to find what process is currently running and stop it. You can type killall wings to shutdown any ghost Wings process.