Here is what I have now: # Do not remove the following line, or various programs # that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost 169.236.129.234 madrid.ucmerced.edu madrid # These entries are managed by SIS, please don't modify them. 10.0.0.3 oscarnode1.ucmerced.edu oscarnode1 10.0.0.4 oscarnode2.ucmerced.edu oscarnode2 10.0.0.5 oscarnode3.ucmerced.edu oscarnode3 10.0.0.6 oscarnode4.ucmerced.edu oscarnode4 I am still getting a 20-30 second wait for password from boxes inside my network - when I do the following from inside: ssh -vvv [EMAIL PROTECTED] - I get: OpenSSH_4.3p2, OpenSSL 0.9.8b 04 May 2006 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to madrid.ucmerced.edu [169.236.129.234] port 22. debug1: Connection established. debug1: identity file /home/joseph/.ssh/identity type -1 debug1: identity file /home/joseph/.ssh/id_rsa type -1 debug1: identity file /home/joseph/.ssh/id_dsa type -1 debug1: loaded 3 keys debug1: Remote protocol version 2.0, remote software version OpenSSH_4.3 debug1: match: OpenSSH_4.3 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_4.3 debug2: fd 3 setting O_NONBLOCK debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: 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-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[EMAIL PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[EMAIL PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL PROTECTED],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL PROTECTED],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,[EMAIL PROTECTED],zlib debug2: kex_parse_kexinit: none,[EMAIL PROTECTED],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-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-rsa,ssh-dss debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[EMAIL PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,[EMAIL PROTECTED],aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL PROTECTED],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,[EMAIL PROTECTED],hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,[EMAIL PROTECTED] debug2: kex_parse_kexinit: none,[EMAIL PROTECTED] debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: mac_init: found hmac-md5 debug1: kex: server->client aes128-cbc hmac-md5 none debug2: mac_init: found hmac-md5 debug1: kex: client->server aes128-cbc 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: 122/256 debug2: bits set: 505/1024 debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug3: check_host_in_hostfile: filename /home/joseph/.ssh/known_hosts debug3: check_host_in_hostfile: match line 13 debug3: check_host_in_hostfile: filename /home/joseph/.ssh/known_hosts debug3: check_host_in_hostfile: match line 11 debug1: Host 'madrid.ucmerced.edu' is known and matches the RSA host key. debug1: Found key in /home/joseph/.ssh/known_hosts:13 debug2: bits set: 502/1024 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: SSH2_MSG_SERVICE_REQUEST sent debug2: service_accept: ssh-userauth debug1: SSH2_MSG_SERVICE_ACCEPT received debug2: key: /home/joseph/.ssh/identity ((nil)) debug2: key: /home/joseph/.ssh/id_rsa ((nil)) debug2: key: /home/joseph/.ssh/id_dsa ((nil)) After the 30+ second wait I get a password prompt: debug3: packet_send2: adding 48 (len 64 padlen 16 extra_pad 64) debug2: we sent a password packet, wait for reply debug1: Authentication succeeded (password). debug1: channel 0: new [client-session] debug3: ssh_session2_open: channel_new: 0 debug2: channel 0: send open debug1: Entering interactive session. debug2: callback start debug2: client_session2_setup: id 0 debug2: channel 0: request pty-req confirm 0 debug3: tty_make_modes: ospeed 38400 debug3: tty_make_modes: ispeed 38400 debug3: tty_make_modes: 1 3 debug3: tty_make_modes: 2 28 debug3: tty_make_modes: 3 127 debug3: tty_make_modes: 4 21 debug3: tty_make_modes: 5 4 debug3: tty_make_modes: 6 0 debug3: tty_make_modes: 7 0 debug3: tty_make_modes: 8 17 debug3: tty_make_modes: 9 19 debug3: tty_make_modes: 10 26 debug3: tty_make_modes: 12 18 debug3: tty_make_modes: 13 23 debug3: tty_make_modes: 14 22 debug3: tty_make_modes: 18 15 debug3: tty_make_modes: 30 0 debug3: tty_make_modes: 31 0 debug3: tty_make_modes: 32 0 debug3: tty_make_modes: 33 0 debug3: tty_make_modes: 34 0 debug3: tty_make_modes: 35 0 debug3: tty_make_modes: 36 1 debug3: tty_make_modes: 37 0 debug3: tty_make_modes: 38 1 debug3: tty_make_modes: 39 0 debug3: tty_make_modes: 40 0 debug3: tty_make_modes: 41 0 debug3: tty_make_modes: 50 1 debug3: tty_make_modes: 51 1 debug3: tty_make_modes: 52 0 debug3: tty_make_modes: 53 1 debug3: tty_make_modes: 54 1 debug3: tty_make_modes: 55 1 debug3: tty_make_modes: 56 0 debug3: tty_make_modes: 57 0 debug3: tty_make_modes: 58 0 debug3: tty_make_modes: 59 1 debug3: tty_make_modes: 60 1 debug3: tty_make_modes: 61 1 debug3: tty_make_modes: 62 0 debug3: tty_make_modes: 70 1 debug3: tty_make_modes: 71 0 debug3: tty_make_modes: 72 1 debug3: tty_make_modes: 73 0 debug3: tty_make_modes: 74 0 debug3: tty_make_modes: 75 0 debug3: tty_make_modes: 90 1 debug3: tty_make_modes: 91 1 debug3: tty_make_modes: 92 0 debug3: tty_make_modes: 93 0 debug1: Sending environment. debug3: Ignored env HOSTNAME debug3: Ignored env TERM debug3: Ignored env SHELL debug3: Ignored env HISTSIZE debug3: Ignored env SSH_CLIENT debug3: Ignored env CVSROOT 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 INPUTRC debug3: Ignored env PWD debug1: Sending env LANG = en_US.UTF-8 debug2: channel 0: request env confirm 0 debug3: Ignored env SSH_ASKPASS debug3: Ignored env SHLVL debug3: Ignored env HOME debug3: Ignored env LOGNAME debug3: Ignored env CVS_RSH debug3: Ignored env SSH_CONNECTION debug3: Ignored env LESSOPEN debug3: Ignored env G_BROKEN_FILENAMES debug3: Ignored env _ debug2: channel 0: request shell confirm 0 debug2: fd 3 setting TCP_NODELAY debug2: callback done debug2: channel 0: open confirm rwindow 0 rmax 32768 debug2: channel 0: rcvd adjust 131072 Last login: Mon Aug 11 11:46:46 2008 from 169.236.129.235 From outside the network I get: [EMAIL PROTECTED]:]$ ssh -vvv [EMAIL PROTECTED] OpenSSH_4.4p1, OpenSSL 0.9.7l 28 Sep 2006 debug1: Reading configuration data /etc/ssh/ssh_config debug2: ssh_connect: needpriv 0 debug1: Connecting to madrid.ucmerced.edu [169.236.129.234] port 22. just hangs there and no password. In the messages log I am getting: Aug 11 11:39:32 madrid sshd[3899]: error: Bind to port 22 on 0.0.0.0 failed: Address already in use. Aug 11 11:39:34 madrid sshd[3761]: pam_unix(sshd:session): session closed for user joseph Aug 11 11:40:39 madrid sshd[3903]: Accepted password for joseph from 169.236.129.235 port 52030 ssh2 Aug 11 11:40:39 madrid sshd[3903]: pam_unix(sshd:session): session opened for user joseph by (uid=0) Aug 11 11:41:30 madrid sudo: joseph : TTY=pts/1 ; PWD=/home/joseph ; USER=root ; COMMAND=/bin/bash Aug 11 11:46:46 madrid sshd[4536]: Accepted password for joseph from 169.236.129.235 port 54462 ssh2 Aug 11 11:46:46 madrid sshd[4536]: pam_unix(sshd:session): session opened for user joseph by (uid=0) Aug 11 11:46:48 madrid sshd[4536]: pam_unix(sshd:session): session closed for user joseph Aug 11 11:48:35 madrid sshd[4606]: Accepted password for joseph from 169.236.129.235 port 38358 ssh2 Aug 11 11:48:35 madrid sshd[4606]: pam_unix(sshd:session): session opened for user joseph by (uid=0) and nothing registered from login on the outside - no password and then times out. Greenseid, Joseph M. wrote: > very strange. one last question about the hosts file. the network setup > section of the install guide recommends separating the localhost name and > actual hostname into two separate lines in the hosts file before starting the > installation. did you do this before you started the install? if not, i > wonder if that had something to do with things getting so mangled. > > anyway, if you fix it up, hopefully it'll all work fine. > > --Joe > > ________________________________ > > From: [EMAIL PROTECTED] on behalf of Joseph Norris > Sent: Mon 8/11/2008 2:26 PM > To: oscar-users@lists.sourceforge.net > Subject: Re: [Oscar-users] Oscar installed - tests run - problem withheadnode > > > > As you see the hosts file - this is how oscar left it. I did not begin > looking at this or editing it until I discovered this issue and there > was not an external IP in the hosts file. > > Greenseid, Joseph M. wrote: > >> oscar deleted the public address line from your hosts file? >> >> --Joe >> >> ________________________________ >> >> From: [EMAIL PROTECTED] on behalf of Joseph Norris >> Sent: Mon 8/11/2008 2:00 PM >> To: oscar-users@lists.sourceforge.net >> Subject: Re: [Oscar-users] Oscar installed - tests run - problem withheadnode >> >> >> >> This was the way oscar built my file and it was a bit odd to me also. I >> have eth0 aimed at the outside IP address of 169.236.129.234. eth1 is >> aimed at the nodes. Oscar built this host file in this way. I will >> modify it but leave the compute nodes in place. >> >> Greenseid, Joseph M. wrote: >> >> >>> joseph, >>> >>> i had the same thought as donginn -- having "madrid.ucmerced.edu" on both >>> the 127.0.0.1 line *AND* the 10.0.0.2 line may well be confusing the >>> system. as a general rule, i've taken to having the first line of the >>> hosts file be "127.0.0.1 localhost.localdomain localhost" and that's it, >>> and have the hostname on the line with the reachable IP addr. >>> >>> as for the ssh problems specifically, a verbose trace of the ssh connection >>> may yield some more specific information than our best guess at the hosts >>> file configuration -- try to add a "-v" to the ssh command and see where >>> it's stalling out. >>> >>> also, how do you connect to this box from "outside?" from this hosts file, >>> it looks like the head node has a 10. addr that it uses to talk to the >>> cluster nodes, but no separate "public" facing address, as is customarily >>> the case with clusters (a public facing addr on the head node, and a >>> private network that the head node and all the compute nodes are on, so the >>> compute nodes are not reachable directly from anywhere except inside the >>> cluster). >>> >>> --Joe >>> >>> ________________________________ >>> >>> From: [EMAIL PROTECTED] on behalf of DongInn Kim >>> Sent: Mon 8/11/2008 1:08 PM >>> To: oscar-users@lists.sourceforge.net >>> Subject: Re: [Oscar-users] Oscar installed - tests run - problem >>> withheadnode >>> >>> >>> >>> Hi Joseph, >>> >>> I don't know how to avoid the OSCAR sanity checking of network >>> configuration(especially /etc/hosts) because OSCAR does not like to have >>> any actual hostname rather than localhost.localdomain. >>> >>> http://svn.oscar.openclustergroup.org/trac/oscar/wiki/InstallGuideNetwork#NIC >>> >>> This is from the OSCAR install guide. >>> >>> Anyway, I am wondering if the 127.0.0.1 line caused the problem on your >>> test. I am not really sure though. >>> >>> Regards, >>> >>> - DongInn >>> >>> >>> Joseph Norris wrote: >>> >>> >>> >>>> I was able to get oscar totally installed, tests run, X11 issues >>>> resolved etc... Now I have the following issue. >>>> >>>> On head node I have ssh open on my fire wall When I log in from another >>>> box within my network it takes between 30-40 seconds to get a password >>>> prompt and from outside I get no password prompt at all. I discussed >>>> this with another sys admin and he suggested that I look at resolv.conf >>>> - however this has the same structure as the other redhat servers that I >>>> administrate and I can reach the just fine. >>>> >>>> I was wondering if my hosts file is correct? or how I should >>>> trouble-shoot this issue? >>>> >>>> Hosts file: >>>> 127.0.0.1 madrid.ucmerced.edu madrid localhost.localdomain >>>> localhos >>>> t >>>> 10.0.0.2 madrid.ucmerced.edu oscar_server oscar_server >>>> nfs_osca >>>> r pbs_oscar >>>> >>>> >>>> # These entries are managed by SIS, please don't modify them. >>>> 10.0.0.3 oscarnode1.ucmerced.edu oscarnode1 >>>> 10.0.0.4 oscarnode2.ucmerced.edu oscarnode2 >>>> 10.0.0.5 oscarnode3.ucmerced.edu oscarnode3 >>>> 10.0.0.6 oscarnode4.ucmerced.edu oscarnode4 >>>> >>>> >>>> Thanks. >>>> >>>> >>>> >>>> >>>> >>>> >>> ------------------------------------------------------------------------- >>> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge >>> Build the coolest Linux based applications with Moblin SDK & win great >>> prizes >>> Grand prize is a trip for two to an Open Source event anywhere in the world >>> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >>> _______________________________________________ >>> Oscar-users mailing list >>> Oscar-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/oscar-users >>> >>> >>> >>> ------------------------------------------------------------------------ >>> >>> ------------------------------------------------------------------------- >>> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge >>> Build the coolest Linux based applications with Moblin SDK & win great >>> prizes >>> Grand prize is a trip for two to an Open Source event anywhere in the world >>> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> Oscar-users mailing list >>> Oscar-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/oscar-users >>> >>> >>> >> -- >> Joseph Norris >> Application Developer & Server Adminstrator >> 209-228-4576 >> [EMAIL PROTECTED] >> >> >> ------------------------------------------------------------------------- >> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge >> Build the coolest Linux based applications with Moblin SDK & win great prizes >> Grand prize is a trip for two to an Open Source event anywhere in the world >> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> _______________________________________________ >> Oscar-users mailing list >> Oscar-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/oscar-users >> >> >> >> ------------------------------------------------------------------------ >> >> ------------------------------------------------------------------------- >> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge >> Build the coolest Linux based applications with Moblin SDK & win great prizes >> Grand prize is a trip for two to an Open Source event anywhere in the world >> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> Oscar-users mailing list >> Oscar-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/oscar-users >> >> > > -- > Joseph Norris > Application Developer & Server Adminstrator > 209-228-4576 > [EMAIL PROTECTED] > > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Oscar-users mailing list > Oscar-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > ------------------------------------------------------------------------ > > _______________________________________________ > Oscar-users mailing list > Oscar-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/oscar-users > -- Joseph Norris Application Developer & Server Adminstrator 209-228-4576 [EMAIL PROTECTED] ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Oscar-users mailing list Oscar-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/oscar-users