SSH公開鍵エラー[閉じる]

WMadmin@WM-GH-BACKUP:~$ ssh -vvv -p 122 [Server]
OpenSSH_7.6p1 Ubuntu-4ubuntu0.1, 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 [Server]
debug2: ssh_connect_direct: needpriv 0
debug1: Connecting to [Server].
debug1: Connection established.
debug1: identity file /home/WMadmin/.ssh/id_rsa type 0
debug1: key_load_public: No such file or directory
debug1: identity file /home/WMadmin/.ssh/id_rsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/WMadmin/.ssh/id_dsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/WMadmin/.ssh/id_dsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/WMadmin/.ssh/id_ecdsa type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/WMadmin/.ssh/id_ecdsa-cert type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/WMadmin/.ssh/id_ed25519 type -1
debug1: key_load_public: No such file or directory
debug1: identity file /home/WMadmin/.ssh/id_ed25519-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.1
debug1: Remote protocol version 2.0, remote software version OpenSSH_6.7p1 Debian-5+deb8u7
debug1: match: OpenSSH_6.7p1 Debian-5+deb8u7 pat OpenSSH* compat 0x04000000
debug2: fd 3 setting O_NONBLOCK
debug1: Authenticating to [Server] as 'admin'
debug3: put_host_port: [Server]
debug3: hostkeys_foreach: reading file "/home/WMadmin/.ssh/known_hosts"
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],[email protected],[email protected],[email protected],[email protected],ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519,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],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: [email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1
debug2: host key algorithms: ssh-rsa,ssh-dss,ecdsa-sha2-nistp256,ssh-ed25519
debug2: ciphers ctos: [email protected],[email protected],[email protected],aes128-ctr,aes192-ctr,aes256-ctr
debug2: ciphers stoc: [email protected],[email protected],[email protected],aes128-ctr,aes192-ctr,aes256-ctr
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: [email protected]
debug1: kex: host key algorithm: ecdsa-sha2-nistp256
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: ecdsa-sha2-nistp256 SHA256:[Key]
debug3: put_host_port: [Server]
debug3: put_host_port: [Server]
debug3: hostkeys_foreach: reading file "/home/WMadmin/.ssh/known_hosts"
debug3: hostkeys_foreach: reading file "/home/WMadmin/.ssh/known_hosts"
debug1: checking without port identifier
debug3: hostkeys_foreach: reading file "/home/WMadmin/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file /home/WMadmin/.ssh/known_hosts:1
debug3: load_hostkeys: loaded 1 keys from [Server]
debug3: hostkeys_foreach: reading file "/home/WMadmin/.ssh/known_hosts"
debug3: record_hostkey: found key type ECDSA in file /home/WMadmin/.ssh/known_hosts:2
debug3: load_hostkeys: loaded 1 keys from [Server]
debug1: Host '[Host]' is known and matches the ECDSA host key.
debug1: Found key in /home/WMadmin/.ssh/known_hosts:1
debug1: found matching key w/out port
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/WMadmin/.ssh/id_rsa (0x5651b89e8280)
debug2: key: /home/WMadmin/.ssh/id_dsa ((nil))
debug2: key: /home/WMadmin/.ssh/id_ecdsa ((nil))
debug2: key: /home/WMadmin/.ssh/id_ed25519 ((nil))
debug3: send packet: type 5
debug3: receive packet: type 6
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug3: send packet: type 50
debug3: receive packet: type 51
debug1: Authentications that can continue: publickey
debug3: start over, passed a different list publickey
debug3: preferred gssapi-keyex,gssapi-with-mic,publickey,keyboard-interactive,password
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Offering public key: RSA SHA256: [Key] /home/WMadmin/.ssh/id_rsa
debug3: send_pubkey_test
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 60
debug1: Server accepts key: pkalg ssh-rsa blen 535
debug2: input_userauth_pk_ok: fp SHA256:[key]
debug3: sign_and_send_pubkey: RSA SHA256:[key]
debug3: send packet: type 50
debug3: receive packet: type 52
debug1: Authentication succeeded (publickey).
Authenticated to [Server].
debug1: channel 0: new [client-session]
debug3: ssh_session2_open: channel_new: 0
debug2: channel 0: send open
debug3: send packet: type 90
debug1: Requesting [email protected]
debug3: send packet: type 80
debug1: Entering interactive session.
debug1: pledge: network
debug3: receive packet: type 91
debug2: channel_input_open_confirmation: channel 0: callback start
debug2: fd 3 setting TCP_NODELAY
debug3: ssh_packet_set_tos: set IP_TOS 0x10
debug2: client_session2_setup: id 0
debug2: channel 0: request pty-req confirm 1
debug3: send packet: type 98
debug1: Sending environment.
debug3: Ignored env LS_COLORS
debug3: Ignored env SSH_CONNECTION
debug3: Ignored env LESSCLOSE
debug1: Sending env LANG = C.UTF-8
debug2: channel 0: request env confirm 0
debug3: send packet: type 98
debug3: Ignored env XDG_SESSION_ID
debug3: Ignored env USER
debug3: Ignored env PWD
debug3: Ignored env HOME
debug3: Ignored env SSH_CLIENT
debug3: Ignored env XDG_DATA_DIRS
debug3: Ignored env SSH_TTY
debug3: Ignored env MAIL
debug3: Ignored env TERM
debug3: Ignored env SHELL
debug3: Ignored env SHLVL
debug3: Ignored env LOGNAME
debug3: Ignored env XDG_RUNTIME_DIR
debug3: Ignored env PATH
debug3: Ignored env LESSOPEN
debug3: Ignored env _
debug2: channel 0: request shell confirm 1
debug3: send packet: type 98
debug2: channel_input_open_confirmation: channel 0: callback done
debug2: channel 0: open confirm rwindow 0 rmax 32768
debug3: receive packet: type 99
debug2: channel_input_status_confirm: type 99 id 0
debug2: PTY allocation request accepted on channel 0
debug2: channel 0: rcvd adjust 2097152
debug3: receive packet: type 99
debug2: channel_input_status_confirm: type 99 id 0
debug2: shell request accepted on channel 0

Administrative shell access is permitted for troubleshooting and performing
documented operations procedures only. Modifying system and application files,
running programs, or installing unsupported software packages may void your
support contract. Please contact GitHub Enterprise technical support at
https://enterprise.github.com/support if you have a question about the
activities allowed by your support contract.

INFO: Release version: 2.15.3
INFO: 4 CPUs, 13GB RAM on Azure
INFO: License: production; Seats: 1 of 10; Will expire in 331 days.
INFO: Load average: 0.00 0.07 0.07
INFO: Usage for root disk: 7.0G of 99G (8%)
INFO: Usage for user data disk: 845M of 126G (1%)
INFO: TLS: enabled; Certificate will expire in 725 days.
INFO: HA: standalone
INFO: Configuration run in progress: false
Last login: Mon Dec  3 14:05:55 2018 from 104.210.0.202
admin@[server]:~$

GitHub Host Checkを実行しようとすると、公開鍵が原因で認証できないことがわかります。

WMadmin@WM-GH-BACKUP:~/github-backup-utils-v2.15.1/bin$ sudo ./ghe-host-check
[Server]: Permission denied (publickey).
Error: ssh connection with Server failed
Note that your SSH key needs to be setup on [Server] as described in:
* https://enterprise.github.com/help/articles/adding-an-ssh-key-for-shell-access

私は終わった。