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I went through some of the thread on the same issue. But I am new to Linux and I ran the -vvv command while ssh-ing. As ssh is taking so long my ansible application takes even longer to execute. Can someone please help me understand and resolve the issue.

netman@netman:~$ ssh root@172.16.1.2 -vvv

OpenSSH_7.2p2 Ubuntu-4ubuntu2.8, OpenSSL 1.0.2g  1 Mar 2016

debug1: Reading configuration data /etc/ssh/ssh_config

debug1: /etc/ssh/ssh_config line 19: Applying options for *

debug2: resolving "172.16.1.2" port 22

debug2: ssh_connect_direct: needpriv 0

debug1: Connecting to 172.16.1.2 [172.16.1.2] port 22.

debug1: Connection established.

debug1: identity file /home/netman/.ssh/id_rsa type 1

debug1: key_load_public: No such file or directory

debug1: identity file /home/netman/.ssh/id_rsa-cert type -1

debug1: key_load_public: No such file or directory

debug1: identity file /home/netman/.ssh/id_dsa type -1

debug1: key_load_public: No such file or directory

debug1: identity file /home/netman/.ssh/id_dsa-cert type -1

debug1: key_load_public: No such file or directory

debug1: identity file /home/netman/.ssh/id_ecdsa type -1

debug1: key_load_public: No such file or directory

debug1: identity file /home/netman/.ssh/id_ecdsa-cert type -1

debug1: key_load_public: No such file or directory

debug1: identity file /home/netman/.ssh/id_ed25519 type -1

debug1: key_load_public: No such file or directory

debug1: identity file /home/netman/.ssh/id_ed25519-cert type -1

debug1: Enabling compatibility mode for protocol 2.0

debug1: Local version string SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.8

debug1: Remote protocol version 2.0, remote software version OpenSSH_7.4

debug1: match: OpenSSH_7.4 pat OpenSSH* compat 0x04000000

debug2: fd 3 setting O_NONBLOCK

debug1: Authenticating to 172.16.1.2:22 as 'root'

debug3: hostkeys_foreach: reading file "/home/netman/.ssh/known_hosts"

debug3: record_hostkey: found key type ECDSA in file /home/netman/.ssh/known_hosts:4

debug3: load_hostkeys: loaded 1 keys from 172.16.1.2

debug3: order_hostkeyalgs: prefer hostkeyalgs: ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521

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@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,ext-info-c

debug2: host key algorithms: ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519-cert-v01@openssh.com,ssh-rsa-cert-v01@openssh.com,ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa

debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc

debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc

debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1

debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1

debug2: compression ctos: none,zlib@openssh.com,zlib

debug2: compression stoc: none,zlib@openssh.com,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,curve25519-sha256@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-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1

debug2: host key algorithms: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519

debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-cbc,aes192-cbc,aes256-cbc,blowfish-cbc,cast128-cbc,3des-cbc

debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-cbc,aes192-cbc,aes256-cbc,blowfish-cbc,cast128-cbc,3des-cbc

debug2: MACs ctos: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1

debug2: MACs stoc: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1

debug2: compression ctos: none,zlib@openssh.com

debug2: compression stoc: none,zlib@openssh.com

debug2: languages ctos: 

debug2: languages stoc: 

debug2: first_kex_follows 0 

debug2: reserved 0 

debug1: kex: algorithm: curve25519-sha256@libssh.org

debug1: kex: host key algorithm: ecdsa-sha2-nistp256

debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none

debug1: kex: client->server cipher: chacha20-poly1305@openssh.com 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:x5OIBrhQUhm2sDiS4X4w/s1hueWiVLGMYqt1QpMexLI

debug3: hostkeys_foreach: reading file "/home/netman/.ssh/known_hosts"

debug3: record_hostkey: found key type ECDSA in file /home/netman/.ssh/known_hosts:4

debug3: load_hostkeys: loaded 1 keys from 172.16.1.2

debug1: Host '172.16.1.2' is known and matches the ECDSA host key.

debug1: Found key in /home/netman/.ssh/known_hosts:4

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/netman/.ssh/id_rsa (0x1b93f48), agent

debug2: key: /home/netman/.ssh/id_dsa ((nil))

debug2: key: /home/netman/.ssh/id_ecdsa ((nil))

debug2: key: /home/netman/.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=<rsa-sha2-256,rsa-sha2-512>

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,gssapi-keyex,gssapi-with-mic,password

debug3: start over, passed a different list publickey,gssapi-keyex,gssapi-with-mic,password

debug3: preferred gssapi-keyex,gssapi-with-mic,publickey,keyboard-interactive,password

debug3: authmethod_lookup gssapi-keyex

debug3: remaining preferred: gssapi-with-mic,publickey,keyboard-interactive,password

debug3: authmethod_is_enabled gssapi-keyex

debug1: Next authentication method: gssapi-keyex

debug1: No valid Key exchange context

debug2: we did not send a packet, disable method

debug3: authmethod_lookup gssapi-with-mic

debug3: remaining preferred: publickey,keyboard-interactive,password

debug3: authmethod_is_enabled gssapi-with-mic

debug1: Next authentication method: gssapi-with-mic

debug1: Unspecified GSS failure.  Minor code may provide more information

No Kerberos credentials available



debug1: Unspecified GSS failure.  Minor code may provide more information

No Kerberos credentials available



debug1: Unspecified GSS failure.  Minor code may provide more information





debug1: Unspecified GSS failure.  Minor code may provide more information

No Kerberos credentials available



debug2: we did not send a packet, disable method

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/netman/.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 rsa-sha2-512 blen 279

debug2: input_userauth_pk_ok: fp SHA256:9fpXTLOlPwBVclWhuK5zclhQ7GlDxFqa9dnWbZPKzPo

debug3: sign_and_send_pubkey: RSA SHA256:9fpXTLOlPwBVclWhuK5zclhQ7GlDxFqa9dnWbZPKzPo

debug3: send packet: type 50

debug3: receive packet: type 52

debug1: Authentication succeeded (publickey).

Authenticated to 172.16.1.2 ([172.16.1.2]:22).

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 no-more-sessions@openssh.com

debug3: send packet: type 80

debug1: Entering interactive session.

debug1: pledge: network

debug3: receive packet: type 80

debug1: client_input_global_request: rtype hostkeys-00@openssh.com want_reply 0

debug3: receive packet: type 91

debug2: 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 XDG_VTNR

debug3: Ignored env XDG_SESSION_ID

debug3: Ignored env XDG_GREETER_DATA_DIR

debug3: Ignored env CLUTTER_IM_MODULE

debug3: Ignored env SESSION

debug3: Ignored env GPG_AGENT_INFO

debug3: Ignored env TERM

debug3: Ignored env VTE_VERSION

debug3: Ignored env SHELL

debug3: Ignored env QT_LINUX_ACCESSIBILITY_ALWAYS_ON

debug3: Ignored env WINDOWID

debug3: Ignored env OLDPWD

debug3: Ignored env UPSTART_SESSION

debug3: Ignored env GNOME_KEYRING_CONTROL

debug3: Ignored env GTK_MODULES

debug3: Ignored env USER

debug3: Ignored env LS_COLORS

debug3: Ignored env QT_ACCESSIBILITY

debug3: Ignored env UNITY_HAS_3D_SUPPORT

debug3: Ignored env XDG_SESSION_PATH

debug3: Ignored env XDG_SEAT_PATH

debug3: Ignored env SSH_AUTH_SOCK

debug3: Ignored env DEFAULTS_PATH

debug3: Ignored env LIBVIRT_DEFAULT_URI

debug3: Ignored env XDG_CONFIG_DIRS

debug3: Ignored env UNITY_DEFAULT_PROFILE

debug3: Ignored env DESKTOP_SESSION

debug3: Ignored env PATH

debug3: Ignored env QT_IM_MODULE

debug3: Ignored env QT_QPA_PLATFORMTHEME

debug3: Ignored env XDG_SESSION_TYPE

debug3: Ignored env PWD

debug3: Ignored env JOB

debug3: Ignored env XMODIFIERS

debug3: Ignored env GNOME_KEYRING_PID

debug1: Sending env LANG = en_US.UTF-8

debug2: channel 0: request env confirm 0

debug3: send packet: type 98

debug3: Ignored env GDM_LANG

debug3: Ignored env MANDATORY_PATH

debug3: Ignored env COMPIZ_CONFIG_PROFILE

debug3: Ignored env IM_CONFIG_PHASE

debug3: Ignored env GDMSESSION

debug3: Ignored env SESSIONTYPE

debug3: Ignored env GTK2_MODULES

debug3: Ignored env SHLVL

debug3: Ignored env HOME

debug3: Ignored env XDG_SEAT

debug3: Ignored env LANGUAGE

debug3: Ignored env LIBGL_ALWAYS_SOFTWARE

debug3: Ignored env GNOME_DESKTOP_SESSION_ID

debug3: Ignored env UPSTART_INSTANCE

debug3: Ignored env UPSTART_EVENTS

debug3: Ignored env XDG_SESSION_DESKTOP

debug3: Ignored env LOGNAME

debug3: Ignored env COMPIZ_BIN_PATH

debug3: Ignored env DBUS_SESSION_BUS_ADDRESS

debug3: Ignored env XDG_DATA_DIRS

debug3: Ignored env QT4_IM_MODULE

debug3: Ignored env LESSOPEN

debug3: Ignored env INSTANCE

debug3: Ignored env UPSTART_JOB

debug3: Ignored env XDG_RUNTIME_DIR

debug3: Ignored env DISPLAY

debug3: Ignored env XDG_CURRENT_DESKTOP

debug3: Ignored env GTK_IM_MODULE

debug3: Ignored env LESSCLOSE

debug3: Ignored env XAUTHORITY

debug3: Ignored env _

debug2: channel 0: request shell confirm 1

debug3: send packet: type 98

debug2: 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

Last login: Sat Mar 16 08:05:46 2019 from gateway

[root@localhost ~]# 

[root@localhost ~]# 

[root@localhost ~]# 

[root@localhost ~]# 

[root@localhost ~]# logoutdebug3: receive packet: type 98

debug1: client_input_channel_req: channel 0 rtype exit-status reply 0

debug3: receive packet: type 98

debug1: client_input_channel_req: channel 0 rtype eow@openssh.com reply 0

debug2: channel 0: rcvd eow

debug2: channel 0: close_read

debug2: channel 0: input open -> closed



debug3: receive packet: type 96

debug2: channel 0: rcvd eof

debug2: channel 0: output open -> drain

debug2: channel 0: obuf empty

debug2: channel 0: close_write

debug2: channel 0: output drain -> closed

debug3: receive packet: type 97

debug2: channel 0: rcvd close

debug3: channel 0: will not send data after close

debug2: channel 0: almost dead

debug2: channel 0: gc: notify user

debug2: channel 0: gc: user detached

debug2: channel 0: send close

debug3: send packet: type 97

debug2: channel 0: is dead

debug2: channel 0: garbage collecting

debug1: channel 0: free: client-session, nchannels 1

debug3: channel 0: status: The following connections are open:

  #0 client-session (t4 r0 i3/0 o3/0 fd -1/-1 cc -1)



debug3: send packet: type 1

Connection to 172.16.1.2 closed.

Transferred: sent 3224, received 3292 bytes, in 280.5 seconds

Bytes per second: sent 11.5, received 11.7

debug1: Exit status 0

netman@netman:~$