Update ubuntu-install.sh

setup/ubuntu-install.sh

@@ -59,9 +59,10 @@ done
 msg_ok "Set up Container OS"
 msg_ok "Network Connected: ${BL}$(hostname -I)"
 
-if nc -zw1 8.8.8.8 443; then  msg_ok "Internet Connected";  else  msg_error "Internet NOT Connected";  fi;
-RESOLVEDIP=$(nslookup "github.com" | awk -F':' '/^Address: / { matched = 1 } matched { print $2}' | xargs)
+if nc -zw1 8.8.8.8 443; then  msg_ok "Internet Connected"; IC="YES"; else  msg_error "Internet NOT Connected"; IC="NO"; fi;
+if [[ ${IC} == "YES" ]]; then RESOLVEDIP=$(nslookup "github.com" | awk -F':' '/^Address: / { matched = 1 } matched { print $2}' | xargs)
  if [[ -z "$RESOLVEDIP" ]]; then msg_error "DNS Lookup Failure";  else msg_ok "DNS Resolved github.com to $RESOLVEDIP";  fi;
+fi
 
 msg_info "Updating Container OS"
 apt-get update &>/dev/null