????????
?????????????(web-1??web-2)??????????út????????key????????????????????????????????????????
??????????????????????????????ssh?????????????Ч???
????1.??????????????(web-1??web-2)?????????????????key?????
????2.?????е?key???????????????????????С?
????3.???????key??????????л???????(web-1??web-2)
????4.????????
??????????
???????? p1 p2 ??佨?? ????
????p1 p2 ??~/.ssh ???? ???? ??????  ssh-keygen -t rsa
????p1 ??????
????ssh-copy-id p2