Problem ssh to BeagleBone Black

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brent...@gmail.com

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Oct 11, 2018, 7:53:49 AM10/11/18

to BeagleBoard

I have been using a Raspberry Pi as a terminal for my BeagleBone Black so I don't need two keyboards and mice. I connect using

ssh -X deb...@192.168.0.24

Just recently this has stopped working with a "signature incorrect" message. I've googled and tried more things than I can remember and it still doesn't work. Both the Raspberry Pi and the BeagleBone Black are running the same version of OpenSSH 7.4p1-10. As far as I can tell, /etc/ssh/sshd_config is the same for both.

I can ssh -X into the Raspberry Pi, but not the BeagleBone Black from my Mac. I am also unable to ssh from the BeagleBone Black to the Raspberry Pi.

The -vvv output on my Mac is:

ssh -vvv -o HostKeyAlgorithms=ssh-rsa -X deb...@192.168.0.24

OpenSSH_6.2p2, OSSLShim 0.9.8r 8 Dec 2011

debug1: Reading configuration data /Users/brent/.ssh/config

debug1: /Users/brent/.ssh/config line 5: Applying options for 192.168.0.*

debug1: Reading configuration data /etc/ssh_config

debug1: /etc/ssh_config line 20: Applying options for *

debug1: /etc/ssh_config line 102: Applying options for *

debug2: ssh_connect: needpriv 0

debug1: Connecting to 192.168.0.24 [192.168.0.24] port 22.

debug1: Connection established.

debug3: Incorrect RSA1 identifier

debug3: Could not load "/Users/brent/.ssh/id_rsa" as a RSA1 public key

debug1: identity file /Users/brent/.ssh/id_rsa type 1

debug1: identity file /Users/brent/.ssh/id_rsa-cert type -1

debug1: identity file /Users/brent/.ssh/id_dsa type -1

debug1: identity file /Users/brent/.ssh/id_dsa-cert type -1

debug1: Enabling compatibility mode for protocol 2.0

debug1: Local version string SSH-2.0-OpenSSH_6.2

debug1: Remote protocol version 2.0, remote software version OpenSSH_7.4p1 Debian-10+deb9u4

debug1: match: OpenSSH_7.4p1 Debian-10+deb9u4 pat OpenSSH*

debug2: fd 3 setting O_NONBLOCK

debug1: SSH2_MSG_KEXINIT sent

debug1: SSH2_MSG_KEXINIT received

debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1

debug2: kex_parse_kexinit: ssh-rsa

debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes12...@openssh.com,aes25...@openssh.com,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijnda...@lysator.liu.se

debug2: kex_parse_kexinit: hmac-m...@openssh.com,hmac-s...@openssh.com,umac-...@openssh.com,umac-1...@openssh.com,hmac-sha...@openssh.com,hmac-sha...@openssh.com,hmac-ripe...@openssh.com,hmac-sha...@openssh.com,hmac-md...@openssh.com,hmac-md5,hmac-sha1,uma...@openssh.com,umac...@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ri...@openssh.com,hmac-sha1-96,hmac-md5-96

debug2: kex_parse_kexinit: none,zl...@openssh.com,zlib

debug2: kex_parse_kexinit:

debug2: kex_parse_kexinit: first_kex_follows 0

debug2: kex_parse_kexinit: reserved 0

debug2: kex_parse_kexinit: curve25519-sha256,curve255...@libssh.org,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: kex_parse_kexinit: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ssh-ed25519

debug2: kex_parse_kexinit: chacha20...@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes12...@openssh.com,aes25...@openssh.com

debug2: kex_parse_kexinit: umac-...@openssh.com,umac-1...@openssh.com,hmac-sha...@openssh.com,hmac-sha...@openssh.com,hmac-s...@openssh.com,uma...@openssh.com,umac...@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1

debug2: kex_parse_kexinit: none,zl...@openssh.com

debug2: kex_parse_kexinit:

debug2: kex_parse_kexinit: first_kex_follows 0

debug2: kex_parse_kexinit: reserved 0

debug2: mac_setup: found hmac-s...@openssh.com

debug1: kex: server->client aes128-ctr hmac-s...@openssh.com none

debug2: mac_setup: found hmac-s...@openssh.com

debug1: kex: client->server aes128-ctr hmac-s...@openssh.com none

debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<2048<8192) sent

debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP

debug2: dh_gen_key: priv key bits set: 153/320

debug2: bits set: 1030/2048

debug1: SSH2_MSG_KEX_DH_GEX_INIT sent

debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY

debug1: Server host key: RSA d9:f7:38:5a:96:42:fa:cb:df:2b:fd:af:9b:ee:31:32

debug3: load_hostkeys: loading entries for host "192.168.0.24" from file "/dev/null"

debug3: load_hostkeys: loaded 0 keys

Warning: Permanently added '192.168.0.24' (RSA) to the list of known hosts.

debug2: bits set: 1033/2048

RSA_public_decrypt failed: unknown err

debug1: ssh_rsa_verify: signature incorrect

key_verify failed for server_host_key

Any help would be greatly appreciated. I am at my wit's end.

thanks,

brent

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