Tirmidhi 316

Agreed upon (by Bukhari and Muslim). Muslim also recorded it in the Book of the Prayer of Travelers, Chapter on the Recommendation of Greeting the Masjid with Two Rakahs, etc., no. 714, from Qutayba, and Bukhari, no. 444, through the hadith of Malik, and it is in Muwatta 1/162 (Yahya's version).There are also narrations on this subject from Jabir bin Abdullah Ansari [Bukhari, no. 931, and Muslim, no. 875], Abu Umama [Ahmad 5/255], Abu Hurairah [Ibn Majah, no. 1012], Abu Dharr [Ibn Hibban, no. 322], and Kaab bin Malik [Bukhari, no. 3088, and Muslim, no. 2769, at length].