Why am I getting this warning when trying to SSH into my RPi2? It also happens when I try from my MBP.
todd@dell-Vostro-3550:~$ ssh firstname.lastname@example.org The authenticity of host '10.0.1.53 (10.0.1.53)' can't be established. ECDSA key fingerprint is 55:5b:0a:76:40:17:61:3f:58:43:74:3b:54:d7:88:34. Are you sure you want to continue connecting (yes/no)? yes Failed to add the host to the list of known hosts (/home/todd/.ssh/known_hosts). email@example.com's password: Linux RASPi2 3.18.7-v7+ #755 SMP PREEMPT Thu Feb 12 17:20:48 GMT 2015 armv7l The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. Last login: Thu Mar 19 15:35:56 2015 from 10.0.1.49 pi@RASPi2 ~ $