SSH asks for password but I can get in thru serial port without it

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I have an arm7 board running GNU/Linux, it's connected to the internet via Ethernet port. I am trying to SSH in to it as root@IPaddr but it is prompting me for a password. I am pretty sure the password was never set on it. I actually changed the sudoers file as well with :




root ALL=(ALL) NOPASSWD: ALL




but no use. I am able to shell in to it via serial port though without getting prompted for a password. I am a little lost.



root@mur0011:~# ls -la .ssh/
drwx------ 2 root root 4096 Nov 8 01:10 .
drwxr-xr-x 10 root root 4096 Nov 8 01:10 ..
-rw------- 1 root root 2347 Jun 1 21:20 authorized_keys
-rw------- 1 root root 1675 May 31 23:19 id_rsa
-rw-r--r-- 1 root root 397 May 31 23:19 id_rsa.pub
-rw-r--r-- 1 root root 803 Jun 1 19:51 known_hosts
root@mur0011:~# uname -a
Linux mur0011 3.14.38-6UL_ga+ge4944a5 #1 SMP PREEMPT Wed Mar 14 16:48:19
PDT 2018 armv7l GNU/Linux
root@mur0011:~# whoami
root








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    I have an arm7 board running GNU/Linux, it's connected to the internet via Ethernet port. I am trying to SSH in to it as root@IPaddr but it is prompting me for a password. I am pretty sure the password was never set on it. I actually changed the sudoers file as well with :




    root ALL=(ALL) NOPASSWD: ALL




    but no use. I am able to shell in to it via serial port though without getting prompted for a password. I am a little lost.



    root@mur0011:~# ls -la .ssh/
    drwx------ 2 root root 4096 Nov 8 01:10 .
    drwxr-xr-x 10 root root 4096 Nov 8 01:10 ..
    -rw------- 1 root root 2347 Jun 1 21:20 authorized_keys
    -rw------- 1 root root 1675 May 31 23:19 id_rsa
    -rw-r--r-- 1 root root 397 May 31 23:19 id_rsa.pub
    -rw-r--r-- 1 root root 803 Jun 1 19:51 known_hosts
    root@mur0011:~# uname -a
    Linux mur0011 3.14.38-6UL_ga+ge4944a5 #1 SMP PREEMPT Wed Mar 14 16:48:19
    PDT 2018 armv7l GNU/Linux
    root@mur0011:~# whoami
    root








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      up vote
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      down vote

      favorite











      I have an arm7 board running GNU/Linux, it's connected to the internet via Ethernet port. I am trying to SSH in to it as root@IPaddr but it is prompting me for a password. I am pretty sure the password was never set on it. I actually changed the sudoers file as well with :




      root ALL=(ALL) NOPASSWD: ALL




      but no use. I am able to shell in to it via serial port though without getting prompted for a password. I am a little lost.



      root@mur0011:~# ls -la .ssh/
      drwx------ 2 root root 4096 Nov 8 01:10 .
      drwxr-xr-x 10 root root 4096 Nov 8 01:10 ..
      -rw------- 1 root root 2347 Jun 1 21:20 authorized_keys
      -rw------- 1 root root 1675 May 31 23:19 id_rsa
      -rw-r--r-- 1 root root 397 May 31 23:19 id_rsa.pub
      -rw-r--r-- 1 root root 803 Jun 1 19:51 known_hosts
      root@mur0011:~# uname -a
      Linux mur0011 3.14.38-6UL_ga+ge4944a5 #1 SMP PREEMPT Wed Mar 14 16:48:19
      PDT 2018 armv7l GNU/Linux
      root@mur0011:~# whoami
      root








      share







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      aditya sharma is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      I have an arm7 board running GNU/Linux, it's connected to the internet via Ethernet port. I am trying to SSH in to it as root@IPaddr but it is prompting me for a password. I am pretty sure the password was never set on it. I actually changed the sudoers file as well with :




      root ALL=(ALL) NOPASSWD: ALL




      but no use. I am able to shell in to it via serial port though without getting prompted for a password. I am a little lost.



      root@mur0011:~# ls -la .ssh/
      drwx------ 2 root root 4096 Nov 8 01:10 .
      drwxr-xr-x 10 root root 4096 Nov 8 01:10 ..
      -rw------- 1 root root 2347 Jun 1 21:20 authorized_keys
      -rw------- 1 root root 1675 May 31 23:19 id_rsa
      -rw-r--r-- 1 root root 397 May 31 23:19 id_rsa.pub
      -rw-r--r-- 1 root root 803 Jun 1 19:51 known_hosts
      root@mur0011:~# uname -a
      Linux mur0011 3.14.38-6UL_ga+ge4944a5 #1 SMP PREEMPT Wed Mar 14 16:48:19
      PDT 2018 armv7l GNU/Linux
      root@mur0011:~# whoami
      root






      linux ssh permissions password root





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      aditya sharma is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      aditya sharma is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      Check out our Code of Conduct.

























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