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Thread: Rsync, scp, any command not working via SSH

  1. #1
    Join Date
    Nov 2006
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    Oslo, Norway
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    24
    Distro
    Ubuntu 10.04 Lucid Lynx

    Question Rsync, scp, any command not working via SSH

    I have a completely up-to-date Ubuntu 10.10 x86_64 that suddenly would not accept any commands via SSH. I am completely stomped and not sure where or what to look for.

    What happens is that when trying rsync, scp or simply just ssh home whoami it yields no output at all.
    Now, just plain ssh home works fine and a session is opened as expected.

    If I add verbose parameters to the aforementioned commands the outputs are as follows:

    Code:
    $ rsync -vaS hjem:.vimrc tmprc
    rsync: connection unexpectedly closed (0 bytes received so far) [Receiver]
    rsync error: error in rsync protocol data stream (code 12) at io.c(601) [Receiver=3.0.7]
    Code:
    $ ssh -vvv hjem whoami
    OpenSSH_5.5p1 Debian-4ubuntu5, OpenSSL 0.9.8o 01 Jun 2010
    debug1: Reading configuration data /etc/ssh/ssh_config
    debug1: Applying options for hjem
    debug1: Applying options for *
    debug2: ssh_connect: needpriv 0
    debug1: Connecting to pn.mine.nu [212.251.168.185] port 22.
    debug1: Connection established.
    debug3: Not a RSA1 key file /home/paal/.ssh/id_rsa.
    debug2: key_type_from_name: unknown key type '-----BEGIN'
    debug3: key_read: missing keytype
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug2: key_type_from_name: unknown key type '-----END'
    debug3: key_read: missing keytype
    debug1: identity file /home/paal/.ssh/id_rsa type 1
    debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048
    debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048
    debug1: identity file /home/paal/.ssh/id_rsa-cert type -1
    debug1: identity file /home/paal/.ssh/id_dsa type -1
    debug1: identity file /home/paal/.ssh/id_dsa-cert type -1
    debug1: Remote protocol version 2.0, remote software version OpenSSH_5.5p1 Debian-4ubuntu5
    debug1: match: OpenSSH_5.5p1 Debian-4ubuntu5 pat OpenSSH*
    debug1: Enabling compatibility mode for protocol 2.0
    debug1: Local version string SSH-2.0-OpenSSH_5.5p1 Debian-4ubuntu5
    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-cert-v00@openssh.com,ssh-dss-cert-v00@openssh.com,ssh-rsa,ssh-dss
    debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
    debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
    debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
    debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
    debug2: kex_parse_kexinit: none,zlib@openssh.com,zlib
    debug2: kex_parse_kexinit: none,zlib@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: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
    debug2: kex_parse_kexinit: ssh-rsa,ssh-dss
    debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
    debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
    debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
    debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
    debug2: kex_parse_kexinit: none,zlib@openssh.com
    debug2: kex_parse_kexinit: none,zlib@openssh.com
    debug2: kex_parse_kexinit: 
    debug2: kex_parse_kexinit: 
    debug2: kex_parse_kexinit: first_kex_follows 0 
    debug2: kex_parse_kexinit: reserved 0 
    debug2: mac_setup: found hmac-md5
    debug1: kex: server->client aes128-ctr hmac-md5 none
    debug2: mac_setup: found hmac-md5
    debug1: kex: client->server aes128-ctr hmac-md5 none
    debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
    debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
    debug2: dh_gen_key: priv key bits set: 128/256
    debug2: bits set: 1010/2048
    debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
    debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
    debug3: check_host_in_hostfile: host pn.mine.nu filename /home/paal/.ssh/known_hosts
    debug3: check_host_in_hostfile: host pn.mine.nu filename /home/paal/.ssh/known_hosts
    debug3: check_host_in_hostfile: match line 309
    debug3: check_host_in_hostfile: host 212.251.168.185 filename /home/paal/.ssh/known_hosts
    debug3: check_host_in_hostfile: host 212.251.168.185 filename /home/paal/.ssh/known_hosts
    debug3: check_host_in_hostfile: match line 311
    debug1: Host 'pn.mine.nu' is known and matches the RSA host key.
    debug1: Found key in /home/paal/.ssh/known_hosts:309
    debug2: bits set: 1012/2048
    debug1: ssh_rsa_verify: signature correct
    debug2: kex_derive_keys
    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/paal/.ssh/id_rsa (0x7fea4dd26730)
    debug2: key: /home/paal/.ssh/id_dsa ((nil))
    debug1: Authentications that can continue: publickey,password
    debug3: start over, passed a different list publickey,password
    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: /home/paal/.ssh/id_rsa
    debug3: send_pubkey_test
    debug2: we sent a publickey packet, wait for reply
    debug1: Server accepts key: pkalg ssh-rsa blen 277
    debug2: input_userauth_pk_ok: fp 33:07:cc:bb:ec:b0:6d:38:b3:03:20:41:f9:98:85:92
    debug3: sign_and_send_pubkey
    debug1: read PEM private key done: type RSA
    debug1: Authentication succeeded (publickey).
    debug1: channel 0: new [client-session]
    debug3: ssh_session2_open: channel_new: 0
    debug2: channel 0: send open
    debug1: Requesting no-more-sessions@openssh.com
    debug1: Entering interactive session.
    debug2: callback start
    debug2: client_session2_setup: id 0
    debug1: Sending environment.
    debug3: Ignored env TERM
    debug3: Ignored env SHELL
    debug3: Ignored env XDG_SESSION_COOKIE
    debug3: Ignored env SSH_CLIENT
    debug3: Ignored env SSH_TTY
    debug3: Ignored env USER
    debug3: Ignored env LS_COLORS
    debug3: Ignored env MAIL
    debug3: Ignored env PATH
    debug3: Ignored env PWD
    debug3: Ignored env EDITOR
    debug1: Sending env LANG = en_US.UTF-8
    debug2: channel 0: request env confirm 0
    debug3: Ignored env HISTCONTROL
    debug3: Ignored env SHLVL
    debug3: Ignored env HOME
    debug3: Ignored env LOGNAME
    debug3: Ignored env SSH_CONNECTION
    debug3: Ignored env LESSOPEN
    debug3: Ignored env LESSCLOSE
    debug3: Ignored env _
    debug1: Sending command: whoami
    debug2: channel 0: request exec confirm 1
    debug2: fd 3 setting TCP_NODELAY
    debug2: callback done
    debug2: channel 0: open confirm rwindow 0 rmax 32768
    debug2: channel 0: rcvd adjust 2097152
    debug2: channel_input_status_confirm: type 99 id 0
    debug2: exec request accepted on channel 0
    debug1: client_input_channel_req: channel 0 rtype exit-status reply 0
    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
    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
    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
    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: channel 0: close_fds r -1 w -1 e 6
    Transferred: sent 2472, received 2520 bytes, in 0.2 seconds
    Bytes per second: sent 15030.6, received 15322.5
    debug1: Exit status 0
    Code:
    $ scp -vvv hjem:.vimrc tmprc
    Executing: program /usr/bin/ssh host hjem, user (unspecified), command scp -v -f -- .vimrc
    OpenSSH_5.5p1 Debian-4ubuntu5, OpenSSL 0.9.8o 01 Jun 2010
    debug1: Reading configuration data /etc/ssh/ssh_config
    debug1: Applying options for hjem
    debug1: Applying options for *
    debug2: ssh_connect: needpriv 0
    debug1: Connecting to pn.mine.nu [212.251.168.185] port 22.
    debug1: Connection established.
    debug3: Not a RSA1 key file /home/paal/.ssh/id_rsa.
    debug2: key_type_from_name: unknown key type '-----BEGIN'
    debug3: key_read: missing keytype
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug3: key_read: missing whitespace
    debug2: key_type_from_name: unknown key type '-----END'
    debug3: key_read: missing keytype
    debug1: identity file /home/paal/.ssh/id_rsa type 1
    debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048
    debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048
    debug1: identity file /home/paal/.ssh/id_rsa-cert type -1
    debug1: identity file /home/paal/.ssh/id_dsa type -1
    debug1: identity file /home/paal/.ssh/id_dsa-cert type -1
    debug1: Remote protocol version 2.0, remote software version OpenSSH_5.5p1 Debian-4ubuntu5
    debug1: match: OpenSSH_5.5p1 Debian-4ubuntu5 pat OpenSSH*
    debug1: Enabling compatibility mode for protocol 2.0
    debug1: Local version string SSH-2.0-OpenSSH_5.5p1 Debian-4ubuntu5
    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-cert-v00@openssh.com,ssh-dss-cert-v00@openssh.com,ssh-rsa,ssh-dss
    debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
    debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
    debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
    debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
    debug2: kex_parse_kexinit: none,zlib@openssh.com,zlib
    debug2: kex_parse_kexinit: none,zlib@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: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
    debug2: kex_parse_kexinit: ssh-rsa,ssh-dss
    debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
    debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
    debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
    debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
    debug2: kex_parse_kexinit: none,zlib@openssh.com
    debug2: kex_parse_kexinit: none,zlib@openssh.com
    debug2: kex_parse_kexinit: 
    debug2: kex_parse_kexinit: 
    debug2: kex_parse_kexinit: first_kex_follows 0 
    debug2: kex_parse_kexinit: reserved 0 
    debug2: mac_setup: found hmac-md5
    debug1: kex: server->client aes128-ctr hmac-md5 none
    debug2: mac_setup: found hmac-md5
    debug1: kex: client->server aes128-ctr hmac-md5 none
    debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
    debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
    debug2: dh_gen_key: priv key bits set: 127/256
    debug2: bits set: 995/2048
    debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
    debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
    debug3: check_host_in_hostfile: host pn.mine.nu filename /home/paal/.ssh/known_hosts
    debug3: check_host_in_hostfile: host pn.mine.nu filename /home/paal/.ssh/known_hosts
    debug3: check_host_in_hostfile: match line 309
    debug3: check_host_in_hostfile: host 212.251.168.185 filename /home/paal/.ssh/known_hosts
    debug3: check_host_in_hostfile: host 212.251.168.185 filename /home/paal/.ssh/known_hosts
    debug3: check_host_in_hostfile: match line 311
    debug1: Host 'pn.mine.nu' is known and matches the RSA host key.
    debug1: Found key in /home/paal/.ssh/known_hosts:309
    debug2: bits set: 973/2048
    debug1: ssh_rsa_verify: signature correct
    debug2: kex_derive_keys
    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/paal/.ssh/id_rsa (0x7faae8acf730)
    debug2: key: /home/paal/.ssh/id_dsa ((nil))
    debug1: Authentications that can continue: publickey,password
    debug3: start over, passed a different list publickey,password
    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: /home/paal/.ssh/id_rsa
    debug3: send_pubkey_test
    debug2: we sent a publickey packet, wait for reply
    debug1: Server accepts key: pkalg ssh-rsa blen 277
    debug2: input_userauth_pk_ok: fp 33:07:cc:bb:ec:b0:6d:38:b3:03:20:41:f9:98:85:92
    debug3: sign_and_send_pubkey
    debug1: read PEM private key done: type RSA
    debug1: Authentication succeeded (publickey).
    debug2: fd 4 setting O_NONBLOCK
    debug2: fd 5 setting O_NONBLOCK
    debug1: channel 0: new [client-session]
    debug3: ssh_session2_open: channel_new: 0
    debug2: channel 0: send open
    debug1: Requesting no-more-sessions@openssh.com
    debug1: Entering interactive session.
    debug2: callback start
    debug2: client_session2_setup: id 0
    debug1: Sending environment.
    debug3: Ignored env TERM
    debug3: Ignored env SHELL
    debug3: Ignored env XDG_SESSION_COOKIE
    debug3: Ignored env SSH_CLIENT
    debug3: Ignored env SSH_TTY
    debug3: Ignored env USER
    debug3: Ignored env LS_COLORS
    debug3: Ignored env MAIL
    debug3: Ignored env PATH
    debug3: Ignored env PWD
    debug3: Ignored env EDITOR
    debug1: Sending env LANG = en_US.UTF-8
    debug2: channel 0: request env confirm 0
    debug3: Ignored env HISTCONTROL
    debug3: Ignored env SHLVL
    debug3: Ignored env HOME
    debug3: Ignored env LOGNAME
    debug3: Ignored env SSH_CONNECTION
    debug3: Ignored env LESSOPEN
    debug3: Ignored env LESSCLOSE
    debug3: Ignored env _
    debug1: Sending command: scp -v -f -- .vimrc
    debug2: channel 0: request exec confirm 1
    debug2: fd 3 setting TCP_NODELAY
    debug2: callback done
    debug2: channel 0: open confirm rwindow 0 rmax 32768
    debug2: channel 0: rcvd adjust 2097152
    debug2: channel_input_status_confirm: type 99 id 0
    debug2: exec request accepted on channel 0
    debug1: client_input_channel_req: channel 0 rtype exit-status reply 0
    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
    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
    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
    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: channel 0: close_fds r -1 w -1 e 6
    debug1: fd 0 clearing O_NONBLOCK
    debug1: fd 1 clearing O_NONBLOCK
    Transferred: sent 2504, received 2520 bytes, in 0.2 seconds
    Bytes per second: sent 16633.3, received 16739.6
    debug1: Exit status 0

    I have tried purging and reinstalling openssh-server and also downgrading to the previous versions of openssh-server and -client. Tried disabling and enabling ufw again and tried the last three kernels to no avail. sshd_config is untouched.

    Does anyone have any ideas? Last resort is reinstalling but that's a hassle. And who's to say it doesn't happen again if I don't figure out why.





    Edit: Jeebus f-ing captital C! I just thought of checking my .bashrc and lo and behold, there was some sillyness at the top there reading:
    Code:
    # If not running interactively, don't do anything
    [ -z "$PS1" ] && exit 0
    Why it was there I don't know, but removing it solved it.

    Edit2: Apparently it should read "return" not "exit 0", as that's the way it is on my work computer. Maybe it'll help others, maybe not. Peace out.
    Last edited by maedox; March 5th, 2011 at 08:03 PM.

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