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Debug on Rockchip platform-based Boards via SSH

1. Introduction​

The board and the host computer must be on the same network segment,and know the IP address of the board.

2. Preparatory Tools​

  • Host computer
  • Network Cable

3. Debug via SSH​

  • Input commands on the host computer(Ubuntu Terminal or Windows cmd)
# ssh root@172.21.170.91

  • When first Login, the following messages will appear: Input yes
The authenticity of host '172.21.170.91 (172.21.170.91)' can't be established.
ECDSA key fingerprint is SHA256:mGUAT53DsrtvRV676/NCohy75rROMawTX/Tj97U3gdM.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
  • Then input the password(123456 by default)
root@172.21.170.91's password:
  • If there is no error, you can debug the board.
Linux linaro-alip 6.1.141 #1 SMP Tue Apr 14 03:53:39 UTC 2026 aarch64

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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: Tue May 12 08:49:55 2026 from 172.21.171.106
root@linaro-alip:~#