Check for Ubuntu

setup/so-functions

@@ -2303,6 +2303,17 @@ so_add_user() {
 	fi
 }
 
+ubuntu_check() {
+	if [[ $OS == "ubuntu" ]]; then
+		if [[ $waitforstate ]]; then
+			whiptail_ubuntu_notsupported
+			exit 1
+		else
+			whiptail_ubuntu_warning
+		fi
+	fi
+}
+
 update_sudoers_for_testing() {
 	if [ -n "$TESTING" ]; then
 		info "Ensuring $INSTALLUSERNAME has password-less sudo access for automated testing purposes."