Hi, I upgraded to F23 and things went smoothly. Or so it seemed.
Then I rebooted and tried to get password-less ssh going with the following consequences. (Note: some stuff, eg hostname, IP address, etc has been blinded.) Did anything change with F23 or something break or am I missing some package now? Note that password-less ssh worked even a few minutes before the upgrade. Also, I am logging into a F22 machine. The machine I am ssh-ing from is an upgraded F23. Many thanks and best wishes, Ranjan $ ssh-add Enter passphrase for /home/user/.ssh/id_rsa: Identity added: /home/user/.ssh/id_rsa (/home/user/.ssh/id_rsa) Identity added: /home/user/.ssh/id_dsa (/home/user/.ssh/id_dsa) Identity added: /home/user/.ssh/id_ecdsa (/home/user/.ssh/id_ecdsa) Fine, nothing untoward yet. But then: $ ssh -vvv remote.machine OpenSSH_7.1p1, OpenSSL 1.0.2d-fips 9 Jul 2015 debug1: Reading configuration data /home/user/.ssh/config debug1: /home/user/.ssh/config line 1: Applying options for * debug1: /home/user/.ssh/config line 3: Applying options for remote.hostname debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 56: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to remote.hostname.com.ig [xx.xx.xxx.xxx] port XX. debug2: fd 3 setting O_NONBLOCK debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug3: timeout: 599983 ms remain after connect debug1: identity file /home/user/.ssh/id_rsa type 1 debug1: key_load_public: No such file or directory debug1: identity file /home/user/.ssh/id_rsa-cert type -1 debug1: identity file /home/user/.ssh/id_dsa type 2 debug1: key_load_public: No such file or directory debug1: identity file /home/user/.ssh/id_dsa-cert type -1 debug1: identity file /home/user/.ssh/id_ecdsa type 3 debug1: key_load_public: No such file or directory debug1: identity file /home/user/.ssh/id_ecdsa-cert type -1 debug1: key_load_public: No such file or directory debug1: identity file /home/user/.ssh/id_ed25519 type -1 debug1: key_load_public: No such file or directory debug1: identity file /home/user/.ssh/id_ed25519-cert type -1 debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_7.1 debug1: Remote protocol version 2.0, remote software version OpenSSH_6.9 debug1: match: OpenSSH_6.9 pat OpenSSH* compat 0x04000000 debug2: fd 3 setting O_NONBLOCK debug1: Authenticating to remote.hostname.com.ig:XX as 'user' debug3: put_host_port: [remote.hostname.com.ig]:XX debug3: hostkeys_foreach: reading file "/home/user/.ssh/known_hosts" debug3: record_hostkey: found key type ECDSA in file /home/user/.ssh/known_hosts:8 debug3: load_hostkeys: loaded 1 keys from [remote.hostname.com.ig]:XX debug3: order_hostkeyalgs: prefer hostkeyalgs: ecdsa-sha2-nistp256-cert-...@openssh.com,ecdsa-sha2-nistp384-cert-...@openssh.com,ecdsa-sha2-nistp521-cert-...@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: curve25519-sha...@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1 debug2: kex_parse_kexinit: ecdsa-sha2-nistp256-cert-...@openssh.com,ecdsa-sha2-nistp384-cert-...@openssh.com,ecdsa-sha2-nistp521-cert-...@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519-cert-...@openssh.com,ssh-rsa-cert-...@openssh.com,ssh-ed25519,ssh-rsa debug2: kex_parse_kexinit: chacha20-poly1...@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-...@openssh.com,aes256-...@openssh.com,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-...@lysator.liu.se debug2: kex_parse_kexinit: chacha20-poly1...@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-...@openssh.com,aes256-...@openssh.com,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-...@lysator.liu.se debug2: kex_parse_kexinit: umac-64-...@openssh.com,umac-128-...@openssh.com,hmac-sha2-256-...@openssh.com,hmac-sha2-512-...@openssh.com,hmac-sha1-...@openssh.com,umac...@openssh.com,umac-...@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1,hmac-md5-...@openssh.com,hmac-ripemd160-...@openssh.com,hmac-sha1-96-...@openssh.com,hmac-md5-96-...@openssh.com,hmac-md5,hmac-ripemd160,hmac-ripemd...@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: umac-64-...@openssh.com,umac-128-...@openssh.com,hmac-sha2-256-...@openssh.com,hmac-sha2-512-...@openssh.com,hmac-sha1-...@openssh.com,umac...@openssh.com,umac-...@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1,hmac-md5-...@openssh.com,hmac-ripemd160-...@openssh.com,hmac-sha1-96-...@openssh.com,hmac-md5-96-...@openssh.com,hmac-md5,hmac-ripemd160,hmac-ripemd...@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,z...@openssh.com,zlib debug2: kex_parse_kexinit: none,z...@openssh.com,zlib debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: kex_parse_kexinit: curve25519-sha...@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1 debug2: kex_parse_kexinit: ssh-rsa,ecdsa-sha2-nistp256,ssh-ed25519 debug2: kex_parse_kexinit: chacha20-poly1...@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-...@openssh.com,aes256-...@openssh.com debug2: kex_parse_kexinit: chacha20-poly1...@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-...@openssh.com,aes256-...@openssh.com debug2: kex_parse_kexinit: umac-64-...@openssh.com,umac-128-...@openssh.com,hmac-sha2-256-...@openssh.com,hmac-sha2-512-...@openssh.com,hmac-sha1-...@openssh.com,umac...@openssh.com,umac-...@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1 debug2: kex_parse_kexinit: umac-64-...@openssh.com,umac-128-...@openssh.com,hmac-sha2-256-...@openssh.com,hmac-sha2-512-...@openssh.com,hmac-sha1-...@openssh.com,umac...@openssh.com,umac-...@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1 debug2: kex_parse_kexinit: none,z...@openssh.com debug2: kex_parse_kexinit: none,z...@openssh.com debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug1: kex: server->client chacha20-poly1...@openssh.com <implicit> none debug1: kex: client->server chacha20-poly1...@openssh.com <implicit> none debug1: kex: curve25519-sha...@libssh.org need=64 dh_need=64 debug1: kex: curve25519-sha...@libssh.org need=64 dh_need=64 debug1: expecting SSH2_MSG_KEX_ECDH_REPLY debug1: Server host key: ecdsa-sha2-nistp256 SHA256:XbNCCWfS+nqs+vSTnVcg9z3yVc/5u6ZkothAou3+N1k debug3: put_host_port: [xx.xx.xxx.xxx]:XX debug3: put_host_port: [remote.hostname.com.ig]:XX debug3: hostkeys_foreach: reading file "/home/user/.ssh/known_hosts" debug3: record_hostkey: found key type ECDSA in file /home/user/.ssh/known_hosts:8 debug3: load_hostkeys: loaded 1 keys from [remote.hostname.com.ig]:XX debug3: hostkeys_foreach: reading file "/home/user/.ssh/known_hosts" debug3: record_hostkey: found key type ECDSA in file /home/user/.ssh/known_hosts:8 debug3: load_hostkeys: loaded 1 keys from [xx.xx.xxx.xxx]:XX debug1: Host '[remote.hostname.com.ig]:XX' is known and matches the ECDSA host key. debug1: Found key in /home/user/.ssh/known_hosts:8 debug2: set_newkeys: mode 1 debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug2: set_newkeys: mode 0 debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug2: service_accept: ssh-userauth debug1: SSH2_MSG_SERVICE_ACCEPT received debug2: key: /home/user/.ssh/id_rsa (0x55d8edf9e1a0), debug2: key: /home/user/.ssh/id_dsa (0x55d8edf9fac0), debug2: key: /home/user/.ssh/id_ecdsa (0x55d8edf9fa50), debug2: key: /home/user/.ssh/id_ed25519 ((nil)), debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,password debug3: start over, passed a different list publickey,gssapi-keyex,gssapi-with-mic,password debug3: preferred 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 RSA public key: /home/user/.ssh/id_rsa debug3: send_pubkey_test debug2: we sent a publickey packet, wait for reply debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,password debug1: Skipping ssh-dss key /home/user/.ssh/id_dsa for not in PubkeyAcceptedKeyTypes debug1: Offering ECDSA public key: /home/user/.ssh/id_ecdsa debug3: send_pubkey_test debug2: we sent a publickey packet, wait for reply debug1: Authentications that can continue: publickey,gssapi-keyex,gssapi-with-mic,password debug1: Trying private key: /home/user/.ssh/id_ed25519 debug3: no such identity: /home/user/.ssh/id_ed25519: No such file or directory debug2: we did not send a packet, disable method debug3: authmethod_lookup password debug3: remaining preferred: ,password debug3: authmethod_is_enabled password debug1: Next authentication method: password -- Important Notice: This mailbox is ignored: e-mails are set to be deleted on receipt. 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