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
