Why SSH login servers by a password file can't work

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I want to login server by SSH without inputting password, so I make use of a file. But it can't work



Appreciate for any advice.



c52594xx@bsa0483:~$ ls login.txt
login.txt



**c52594xx@bsa0483:~$ ssh bsa10881.fra1 <



^C
c52594xx@bsa0483:~$
c52594xx@bsa0483:~$ ssh bsa10881.fra1 << login.txt
^C
c52594xx@bsa0483:~$
c52594xx@bsa0483:~$ ssh c52594xx@bsa10881.fra1 <




c52594xx@bsa0483:~$ cat /etc/issue
Ubuntu 9.10 n l**









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    up vote
    -1
    down vote

    favorite












    I want to login server by SSH without inputting password, so I make use of a file. But it can't work



    Appreciate for any advice.



    c52594xx@bsa0483:~$ ls login.txt
    login.txt



    **c52594xx@bsa0483:~$ ssh bsa10881.fra1 <



    ^C
    c52594xx@bsa0483:~$
    c52594xx@bsa0483:~$ ssh bsa10881.fra1 << login.txt
    ^C
    c52594xx@bsa0483:~$
    c52594xx@bsa0483:~$ ssh c52594xx@bsa10881.fra1 <




    c52594xx@bsa0483:~$ cat /etc/issue
    Ubuntu 9.10 n l**









    share























      up vote
      -1
      down vote

      favorite









      up vote
      -1
      down vote

      favorite











      I want to login server by SSH without inputting password, so I make use of a file. But it can't work



      Appreciate for any advice.



      c52594xx@bsa0483:~$ ls login.txt
      login.txt



      **c52594xx@bsa0483:~$ ssh bsa10881.fra1 <



      ^C
      c52594xx@bsa0483:~$
      c52594xx@bsa0483:~$ ssh bsa10881.fra1 << login.txt
      ^C
      c52594xx@bsa0483:~$
      c52594xx@bsa0483:~$ ssh c52594xx@bsa10881.fra1 <




      c52594xx@bsa0483:~$ cat /etc/issue
      Ubuntu 9.10 n l**









      share













      I want to login server by SSH without inputting password, so I make use of a file. But it can't work



      Appreciate for any advice.



      c52594xx@bsa0483:~$ ls login.txt
      login.txt



      **c52594xx@bsa0483:~$ ssh bsa10881.fra1 <



      ^C
      c52594xx@bsa0483:~$
      c52594xx@bsa0483:~$ ssh bsa10881.fra1 << login.txt
      ^C
      c52594xx@bsa0483:~$
      c52594xx@bsa0483:~$ ssh c52594xx@bsa10881.fra1 <




      c52594xx@bsa0483:~$ cat /etc/issue
      Ubuntu 9.10 n l**







      ubuntu ssh





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      asked 6 mins ago









      Franklin_hong

      475




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