[Lerftest-ctrls] Internet access from jlabl1.jlab.org

Wesley Moore wmoore at jlab.org
Mon Oct 22 11:45:48 EDT 2018


Not yet.  Actively working on it though.


Wesley

________________________________
From: Sonya Hoobler <sonya at slac.stanford.edu>
Sent: Monday, October 22, 2018 11:43:13 AM
To: Slepicka, Hugo Henrique
Cc: Wesley Moore; lerftest-ctrls at jlab.org; Williams Jr., Ernest L.; Pascual, Patrick James
Subject: Re: [Lerftest-ctrls] Internet access from jlabl1.jlab.org

Hi Wesley,

Any news on this?

Thanks,
   Sonya


On Fri, 19 Oct 2018, Sonya Hoobler wrote:

> Thanks for looking into it, Hugo.
>
> I'll wait to hear from Wesley.
>
> Sonya
>
>
> On Fri, 19 Oct 2018, Slepicka, Hugo Henrique wrote:
>
>> Hi Wesley and Sonya,
>>
>> I just tried from home and rhel6-64.slac.stanford.edu can be reached with
>> no problems from my internet connection in here.
>>    slepicka at TID-PC94483:~  $ ping rhel6-64.slac.stanford.edu
>>    PING rhel6-64e.slac.stanford.edu (134.79.120.159): 56 data bytes
>>    64 bytes from 134.79.120.159: icmp_seq=0 ttl=52 time=17.301 ms
>>    64 bytes from 134.79.120.159: icmp_seq=1 ttl=52 time=18.111 ms
>>    64 bytes from 134.79.120.159: icmp_seq=2 ttl=52 time=14.991 ms
>>    64 bytes from 134.79.120.159: icmp_seq=3 ttl=52 time=14.401 ms
>>    64 bytes from 134.79.120.159: icmp_seq=4 ttl=52 time=13.660 ms
>>    ^C
>>    --- rhel6-64e.slac.stanford.edu ping statistics ---
>>    5 packets transmitted, 5 packets received, 0.0% packet loss
>>    round-trip min/avg/max/stddev = 13.660/15.693/18.111/1.716 ms
>>
>> Some weird issues are back to the VDI machine... If I try from the VDI
>> machine to ssh as softegr into lclsapp1 I asks me for my password again.
>> That happened in the past but it was fixed.
>> If I go through a regular SSH connection to hallgw and from there to
>> lclsapp1 as softegr the SSH works...
>>
>> Once I am connected to the JLab system (lclsapp1) I can't establish my SSH
>> Tunnel as before:
>>
>>    [softegr at lclsapp1 slepicka]$ ssh -fNT -v -L
>> 6660:rhel6-64.slac.stanford.edu:22 slepicka at jlab1.jlab.org
>>    OpenSSH_5.3p1, OpenSSL 1.0.1e-fips 11 Feb 2013
>>    debug1: Reading configuration data /etc/ssh/ssh_config
>>    debug1: Applying options for *
>>    debug1: Connecting to jlab1.jlab.org [192.70.245.101] port 22.
>>
>> If I try to ping jlab1.jlab.org it fails.
>>
>> @Wesley did something change on the JLab network?
>>
>> Cheers,
>> Hugo
>>
>>
>> On 10/18/18, 6:05 PM, "Lerftest-ctrls on behalf of Slepicka, Hugo Henrique"
>> <lerftest-ctrls-bounces at jlab.org on behalf of slepicka at slac.stanford.edu>
>> wrote:
>>
>>    Hi,
>>
>>    I will take a look at that and get back to you later tonight.
>>
>>    Cheers,
>>    Hugo
>>
>>    Sent from my iPhone
>>
>>    > On Oct 18, 2018, at 5:52 PM, Wesley Moore <wmoore at jlab.org> wrote:
>>    >
>>    > Looks more like an issue with an ssh tunnel you guys setup.  Does that
>> ring a bell?
>>    >
>>    > Wesley
>>    >
>>    > On 10/18/18, 8:44 PM, "Sonya Hoobler" <sonya at slac.stanford.edu> wrote:
>>    >
>>    >    Okay, my image was too large and is holding up the submission.
>>    >
>>    >    The test was:
>>    >
>>    >    cd /usr/local/lcls/tools/edm/display/llrf
>>    >    cvs stat rf_ampset_diag.edl
>>    >
>>    >    But I have to leave work now, so I'll have to come back to this
>> tomorrow.
>>    >    Thanks for your help so late!
>>    >
>>    >    Sonya
>>    >
>>    >
>>    >
>>    >
>>    >>    On Thu, 18 Oct 2018, Sonya Hoobler wrote:
>>    >>
>>    >> Yes, I've attached a screenshot of an example command (can't
>> copy/paste).
>>    >>
>>    >> I could use scp as a temporary solution if we can get access between
>> jlabl1
>>    >> and rhel6-64.slac.stanford.edu (which we used to have, right?
>> checking my
>>    >> memory).
>>    >>
>>    >> Thanks,
>>    >> Sonya
>>    >>
>>    >>
>>    >>
>>    >>
>>    >>
>>    >>> On Fri, 19 Oct 2018, Wesley Moore wrote:
>>    >>>
>>    >>> Can you send me a cvs and git command to try?  I'll see what the
>> network
>>    >>> traffic looks like to see if that well highlight the issue.
>>    >>>
>>    >>> Wesley
>>    >>>
>>    >>> On 10/18/18, 8:13 PM, "Sonya Hoobler" <sonya at slac.stanford.edu>
>> wrote:
>>    >>>
>>    >>>   Hmm, I seem to be able to ping the world (google, FNAL) from my
>> SLAC
>>    >>>   machine (using rhel6-64c.slac.stanford.edu at the moment) but
>> cannot
>>    >>> ping
>>    >>>   rhel6-64c from jlabl1.
>>    >>>
>>    >>>   Do you have a favorite domain to ping or other test I should run
>> from
>>    >>>   jlabl1.jlab.org?
>>    >>>
>>    >>>   Thanks,
>>    >>>      Sonya
>>    >>>
>>    >>>
>>    >>>>   On Fri, 19 Oct 2018, Wesley Moore wrote:
>>    >>>>
>>    >>>> It looks to be proxied.  So it should work from the lcls hosts
>> also.
>>    >>> I'll have to see it there's something special required for cvs/git,
>> but I
>>    >>> know git works through the proxy.  Possible issue on the slac side
>> (maybe
>>    >>> not open to the world)?
>>    >>>>
>>    >>>> Wesley
>>    >>>>
>>    >>>> On 10/18/18, 8:01 PM, "Sonya Hoobler" <sonya at slac.stanford.edu>
>> wrote:
>>    >>>>
>>    >>>>   Hi Wesley,
>>    >>>>
>>    >>>>   If I remember correctly, jlabl1.jlab.org (and friends) should
>> have
>>    >>>>   internet access, but it does not seem to currently. For example,
>> I
>>    >>> am
>>    >>>>   unable to ping rhel6-64.slac.stanford.edu. (I also suspect this
>> is
>>    >>> why
>>    >>>>   remote cvs/git is not currently working.)
>>    >>>>
>>    >>>>   Should I be using a different server?
>>    >>>>
>>    >>>>   Thanks,
>>    >>>>      Sonya
>>    >>>>
>>    >>>>
>>    >>>>
>>    >>>>
>>    >>>
>>    >>
>>    >
>>    >
>>    > _______________________________________________
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>>    > https://mailman.jlab.org/mailman/listinfo/lerftest-ctrls
>>    > Wiki: https://wiki.jlab.org/lerf/index.php/Network
>>
>>    _______________________________________________
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>>
>>
>
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