尝试使用 Putty 通过主板 IP 地址通过 SSH 进入主板时，端口 6655 关闭了 SSH 连接。除了详细命令外，我还能如何调试 SSH 日志和进程？
详细日志如下：
mytsp00382@mytsp00382-OptiPlex-7040:/media/mytsp00382/ROOTFS$ ssh -vvv 192.168.10.102
OpenSSH_7.6p1 Ubuntu-4ubuntu0.6, OpenSSL 1.0.2n 7 Dec 2017
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug2: resolving "192.168.10.102" port 6655
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to 192.168.10.102 [192.168.10.102] port 6655.
debug1: Connection established.
debug1: identity file /home/mytsp00382/.ssh/id_rsa type 0
debug1: key_load_public: No such file or directory
debug1: identity file /home/mytsp00382/.ssh/id_rsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/mytsp00382/.ssh/id_dsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/mytsp00382/.ssh/id_dsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/mytsp00382/.ssh/id_ecdsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/mytsp00382/.ssh/id_ecdsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/mytsp00382/.ssh/id_ed25519 type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/mytsp00382/.ssh/id_ed25519-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.6
debug1: Remote protocol version 2.0, remote software version OpenSSH_8.1
debug1: match: OpenSSH_8.1 pat OpenSSH* compat 0x04000000
debug2: fd 3 setting O_NONBLOCK
debug1: Authenticating to 192.168.10.102:6655 as 'mytsp00382'
debug3: put_host_port: [192.168.10.102]:6655
debug3: hostkeys_foreach: reading file "/home/mytsp00382/.ssh/known_hosts"
debug3: record_hostkey: found key type RSA in file /home/mytsp00382/.ssh/known_hosts:3
debug3: load_hostkeys: loaded 1 keys from [192.168.10.102]:6655
debug3: order_hostkeyalgs: prefer hostkeyalgs: [email protected],rsa-sha2-512,rsa-sha2-256,ssh-rsa
debug3: send packet: type 20
debug1: SSH2_MSG_KEXINIT sent
debug3: receive packet: type 20
debug1: SSH2_MSG_KEXINIT received
debug2: local client KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,ext-info-c
debug2: host key algorithms: [email protected],rsa-sha2-512,rsa-sha2-256,ssh-rsa,[email protected],[email protected],[email protected],[email protected],ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519
debug2: ciphers ctos: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
debug2: ciphers stoc: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
debug2: MACs ctos: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,[email protected],zlib
debug2: compression stoc: none,[email protected],zlib
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug2: peer server KEXINIT proposal
debug2: KEX algorithms: curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1
debug2: host key algorithms: rsa-sha2-512,rsa-sha2-256,ssh-rsa
debug2: ciphers ctos: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
debug2: ciphers stoc: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
debug2: MACs ctos: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: MACs stoc: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
debug2: compression ctos: none,[email protected]
debug2: compression stoc: none,[email protected]
debug2: languages ctos:
debug2: languages stoc:
debug2: first_kex_follows 0
debug2: reserved 0
debug1: kex: algorithm: curve25519-sha256
debug1: kex: host key algorithm: rsa-sha2-512
debug1: kex: server->client cipher: [email protected] MAC: <implicit> compression: none
debug1: kex: client->server cipher: [email protected] MAC: <implicit> compression: none
debug3: send packet: type 30
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug3: receive packet: type 31
debug1: Server host key: ssh-rsa SHA256:IXt+rhOgW2sc+qasp8jG0yreOq8qiYsOvluNjLvsSy8
debug3: put_host_port: [192.168.10.102]:6655
debug3: put_host_port: [192.168.10.102]:6655
debug3: hostkeys_foreach: reading file "/home/mytsp00382/.ssh/known_hosts"
debug3: record_hostkey: found key type RSA in file /home/mytsp00382/.ssh/known_hosts:3
debug3: load_hostkeys: loaded 1 keys from [192.168.10.102]:6655
debug3: hostkeys_foreach: reading file "/home/mytsp00382/.ssh/known_hosts"
debug3: record_hostkey: found key type RSA in file /home/mytsp00382/.ssh/known_hosts:3
debug3: load_hostkeys: loaded 1 keys from [192.168.10.102]:6655
debug1: Host '[192.168.10.102]:6655' is known and matches the RSA host key.
debug1: Found key in /home/mytsp00382/.ssh/known_hosts:3
debug3: send packet: type 21
debug2: set_newkeys: mode 1
debug1: rekey after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug3: receive packet: type 21
debug1: SSH2_MSG_NEWKEYS received
debug2: set_newkeys: mode 0
debug1: rekey after 134217728 blocks
debug2: key: /home/mytsp00382/.ssh/id_rsa (0x55a18f296050), agent
debug2: key: /home/mytsp00382/.ssh/id_dsa ((nil))
debug2: key: /home/mytsp00382/.ssh/id_ecdsa ((nil))
debug2: key: /home/mytsp00382/.ssh/id_ed25519 ((nil))
debug3: send packet: type 5
debug3: receive packet: type 7
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<ssh-ed25519,ssh-rsa,rsa-sha2-256,rsa-sha2-512,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521>
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
Connection closed by 192.168.10.102 port 6655