hi nvidia
After I download the code, compile and burn it according to the documentation
Only a part of the file modification was made, the device tree dtb
No other modifications
But ssh can’t connect after burning
Connecting to 192.168.1.218:22...
Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.
Socket error Event: 32 Error: 10053.
Connection closing...Socket close.
Connection closed by foreign host
Want to see related configuration files and logs
um@tegra-ubuntu:/var/log$ tail -f auth.log
Aug 25 08:07:53 tegra-ubuntu sshd[7584]: error: key_load_private: invalid format
Aug 25 08:07:53 tegra-ubuntu sshd[7584]: error: key_load_public: invalid format
Aug 25 08:07:53 tegra-ubuntu sshd[7584]: error: Could not load host key: /etc/ssh/ssh_host_ecdsa_key
Aug 25 08:07:53 tegra-ubuntu sshd[7584]: error: key_load_private: invalid format
Aug 25 08:07:53 tegra-ubuntu sshd[7584]: error: key_load_public: invalid format
Aug 25 08:07:53 tegra-ubuntu sshd[7584]: error: Could not load host key: /etc/ssh/ssh_host_ed25519_key
Aug 25 08:07:53 tegra-ubuntu sshd[7584]: fatal: No supported key exchange algorithms [preauth]
Aug 25 08:08:05 tegra-ubuntu login[5127]: pam_unix(login:session): session opened for user um by LOGIN(uid=0)
Aug 25 08:08:05 tegra-ubuntu systemd: pam_unix(systemd-user:session): session opened for user um by (uid=0)
Aug 25 08:08:05 tegra-ubuntu systemd-logind[4307]: New session 3 of user um.
Aug 25 08:34:21 tegra-ubuntu sshd[7783]: error: key_load_private: invalid format
Aug 25 08:34:21 tegra-ubuntu sshd[7783]: error: key_load_public: invalid format
Aug 25 08:34:21 tegra-ubuntu sshd[7783]: error: Could not load host key: /etc/ssh/ssh_host_rsa_key
Aug 25 08:34:21 tegra-ubuntu sshd[7783]: error: key_load_private: invalid format
Aug 25 08:34:21 tegra-ubuntu sshd[7783]: error: key_load_public: invalid format
Aug 25 08:34:21 tegra-ubuntu sshd[7783]: error: Could not load host key: /etc/ssh/ssh_host_ecdsa_key
Aug 25 08:34:21 tegra-ubuntu sshd[7783]: error: key_load_private: invalid format
Aug 25 08:34:21 tegra-ubuntu sshd[7783]: error: key_load_public: invalid format
Aug 25 08:34:21 tegra-ubuntu sshd[7783]: error: Could not load host key: /etc/ssh/ssh_host_ed25519_key
Aug 25 08:34:21 tegra-ubuntu sshd[7783]: fatal: No supported key exchange algorithms [preauth]
service sshd status
Aug 25 08:39:23 tegra-ubuntu sshd[5044]: key_load_public: invalid format
Aug 25 08:39:23 tegra-ubuntu sshd[5044]: Could not load host key: /etc/ssh/ssh_h
Aug 25 08:39:23 tegra-ubuntu sshd[5044]: key_load_private: invalid format
Aug 25 08:39:23 tegra-ubuntu sshd[5044]: key_load_public: invalid format
Aug 25 08:39:23 tegra-ubuntu sshd[5044]: Could not load host key: /etc/ssh/ssh_h
Aug 25 08:39:23 tegra-ubuntu sshd[5044]: key_load_private: invalid format
Aug 25 08:39:23 tegra-ubuntu sshd[5044]: key_load_public: invalid format
Aug 25 08:39:23 tegra-ubuntu sshd[5044]: Could not load host key: /etc/ssh/ssh_h
Aug 25 08:39:23 tegra-ubuntu sshd[5044]: Server listening on 0.0.0.0 port 22.
Aug 25 08:39:23 tegra-ubuntu sshd[5044]: Server listening on :: port 22.
sshd_config ssh_host_ed25519_key ssh_host_rsa_key.pub
um@tegra-ubuntu:~$ ll /etc/ssh/
total 572
drwxr-xr-x 2 root root 4096 Dec 10 2021 ./
drwxr-xr-x 146 root root 12288 Aug 25 08:39 ../
-rw-r--r-- 1 root root 553122 Feb 10 2018 moduli
-rw-r--r-- 1 root root 1580 Feb 10 2018 ssh_config
-rw-r--r-- 1 root root 3264 Feb 10 2018 sshd_config
-rw------- 1 root root 0 Dec 10 2021 ssh_host_ecdsa_key
-rw-r--r-- 1 root root 0 Dec 10 2021 ssh_host_ecdsa_key.pub
-rw------- 1 root root 0 Dec 10 2021 ssh_host_ed25519_key
-rw-r--r-- 1 root root 0 Dec 10 2021 ssh_host_ed25519_key.pub
-rw------- 1 root root 0 Dec 10 2021 ssh_host_rsa_key
-rw-r--r-- 1 root root 0 Dec 10 2021 ssh_host_rsa_key.pub
-rw-r--r-- 1 root root 338 Jun 22 2018 ssh_import_id
Using the same computer, there is a certain probability that this problem will occur after burning
What is the reason for this and what should I do
please help me