When entering ones home
اللَّهُمَّ إِنِّي أَسْأَلُكَ خَيْرَ الْمَوْلِجِ وَخَيْرَ الْمَخْرَجِ بِسْمِ اللَّهِ وَلِجْنَا وَعَلَى اللَّهِ رَبِّنَا تَوَكَّلْنَا
"O Allah, I seek a good entry and a good exit. We take Allah's name to enter and to exit and rely on Him who is our Lord.
After this dua greet the members of the household.
Jaabir (R.A.) narrates that Prophet Mohammad (S.A.W.) stated that when a man enters his home and makes Dhikr (remembers Allah) and also makes Dhikr at meal times, then Satan says to his colleagues that the night cannot be spent there nor can they partake of the peoples food and if no Dhikr was made on entering the house, then Satan says to his colleagues that they have an opportunity to spend the night there and if no Dhikr was made at meal times, then Satan tells his colleagues that they will be able to stay there and also get food.