Hello, I installed my Ubuntu 20.04 system and installed aapanel, but when you log in to private ip to register for the first time on aapanel, I am sure of a record. Give me that mistake" this website can't be accessed
130.162.167.38 is currently inaccessible.
ERR_CONNECTION_FAILED "
First, you need to install firewalld
sudo apt install firewalld
Then open port on firewall (in your case 7800)
sudo firewall-cmd --zone=public --permanent --add-port=7800/tcp
Finally, reload firewall
sudo firewall-cmd --reload
