Ubuntu or Debian:
sudo apt update && sudo apt upgrade -y
CentOS, AlmaLinux, or Rocky Linux:
sudo yum update -y
sh <(curl -s https://cyberpanel.net/install.sh || wget -qO- https://cyberpanel.net/install.sh)
Follow the prompts to choose LiteSpeed/OpenLiteSpeed, enable services you need, and set the admin password. The installer prints the access details when it completes.
Use the URL and credentials shown at the end of the installer to access the panel and finish initial configuration.