Boil water in a big pan. Add 2 tsp olive oil and bring it to boil. Add pasta to the boiling water.
Boil pasta for about 6 minute until it gets tender. Drain all the water after boiling.
Heat 1 tsp olive oil in a pan at medium heat. Add boiled pasta, pesto sauce, salt and chopped olives. Stir it well until mixed properly. Cook it for 1 min in a low to medium heat.