<div dir="ltr">Hello Lizhou,<div><br></div><div>Sigh, these should probably not be the same sysname, but I guess that ship has probably sailed. I reverted to a statically-linked binary, but still compiled on Athena. utempter seems to be still working on athena.dialup.</div><div><br></div><div>-Keith</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Feb 24, 2017 at 2:23 PM, Lizhou Sha <span dir="ltr"><<a href="mailto:slz@mit.edu" target="_blank">slz@mit.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Keith,<br>
<br>
I'm observing a regression for my self-deployed Ubuntu 16.04 dialup<br>
with regards to libprotobuf linkage:<br>
<br>
$ mosh --ssh="ssh -K" --server="athrun mosh_project mosh-server"<br>
<a href="http://sha.mit.edu" rel="noreferrer" target="_blank">sha.mit.edu</a> -- byobu a -d<br>
/afs/<a href="http://sipb.mit.edu/project/mosh/arch/amd64_deb60/bin/mosh-server.real" rel="noreferrer" target="_blank">sipb.mit.edu/project/<wbr>mosh/arch/amd64_deb60/bin/<wbr>mosh-server.real</a>:<br>
error while loading shared libraries: libprotobuf.so.8: cannot open<br>
shared object file: No such file or directory<br>
Connection to <a href="http://sha.mit.edu" rel="noreferrer" target="_blank">sha.mit.edu</a> closed.<br>
/usr/bin/mosh: Did not find mosh server startup message.<br>
<br>
Best,<br>
Lizhou<br>
<div class="HOEnZb"><div class="h5"><br>
On Fri, Feb 24, 2017 at 4:39 PM, Keith Winstein <<a href="mailto:keithw@cs.stanford.edu">keithw@cs.stanford.edu</a>> wrote:<br>
> Hello Jonathon,<br>
><br>
> I deployed a new build of mosh-server for amd64 architectures (compiled on<br>
> test.dialup) in the mosh_project locker. It seems to be updating utmp now.<br>
> Please let me know if you see any trouble.<br>
><br>
> -Keith<br>
><br>
> On Fri, Feb 24, 2017 at 1:17 PM, Jonathon Weiss <<a href="mailto:jweiss@mit.edu">jweiss@mit.edu</a>> wrote:<br>
>><br>
>> Hi Keith,<br>
>><br>
>> libutempter-dev is now installed on <a href="http://test.dialup.mit.edu" rel="noreferrer" target="_blank">test.dialup.mit.edu</a>. It should hit<br>
>> the production dialups over the course of next week, but doing your<br>
>> build on <a href="http://test.dialup.mit.edu" rel="noreferrer" target="_blank">test.dialup.mit.edu</a> should be fine. thanks for the help.<br>
>><br>
>> Jonathon<br>
>><br>
>><br>
>><br>
>> Keith Winstein <<a href="mailto:keithw@cs.stanford.edu">keithw@cs.stanford.edu</a>> wrote:<br>
>><br>
>> > Hello Jonathon,<br>
>> ><br>
>> > I investigated and it's probably my fault -- I'm compiling and<br>
>> > statically<br>
>> > linking on an Ubuntu system that expects it<br>
>> > in /usr/lib/x86_64-linux-gnu/<wbr>utempter/utempter, and athena.dialup has it<br>
>> > in /usr/lib/utempter/utempter.<br>
>> ><br>
>> > Could you please install libutempter-dev on the dialups? Then I can<br>
>> > compile<br>
>> > on Athena, and my guess is it will start working again. (Or I can spin<br>
>> > up a<br>
>> > VM that more closely matches the dialups if necessary.)<br>
>> ><br>
>> > (Anton, this is a bit of a special case as I am the one who is building<br>
>> > and<br>
>> > installing Mosh at MIT -- we use this to test release candidates.)<br>
>> ><br>
>> > Regards,<br>
>> > Keith<br>
>> ><br>
>> > On Thu, Feb 23, 2017 at 2:50 PM, Jonathon Weiss <<a href="mailto:jweiss@mit.edu">jweiss@mit.edu</a>> wrote:<br>
>> ><br>
>> > ><br>
>> > > Hello all,<br>
>> > ><br>
>> > > Following up on a zephyr conversation I had with Keith and others<br>
>> > > about a week ago, I was wondering why mosh logins don't appear in the<br>
>> > > output of "who" or "w" on the <a href="http://athena.dialup.mit.edu" rel="noreferrer" target="_blank">athena.dialup.mit.edu</a> servers. We got<br>
>> > > as far as confirming that utempter was setgid utmp:<br>
>> > ><br>
>> > > -rwxr-sr-x 1 root utmp 10104 Oct 5 2012 /usr/lib/utempter/utempter<br>
>> > ><br>
>> > > oh, these files also appear to me ot have reasonable permissions:<br>
>> > ><br>
>> > > -rw-rw-r-- 1 root utmp 190080 Feb 23 17:47 /var/run/utmp<br>
>> > ><br>
>> > > -rw-rw-r-- 1 root utmp 2704128 Feb 23 17:45 /var/log/wtmp<br>
>> > ><br>
>> > > -rw-rw---- 1 root utmp 992640 Feb 23 17:25 /var/log/btmp<br>
>> > ><br>
>> > > Anything you can suggest to check? Anyhting I can do to help debug?<br>
>> > ><br>
>> > > Jonathon<br>
>> > ><br>
>> > > Jonathon Weiss <<a href="mailto:jweiss@mit.edu">jweiss@mit.edu</a>><br>
>> > > MIT/IS&T/Infrastructure Design & Engineering<br>
>> > > Cloud Platforms (Server Operations)<br>
>> > > ______________________________<wbr>_________________<br>
>> > > mosh-devel mailing list<br>
>> > > <a href="mailto:mosh-devel@mit.edu">mosh-devel@mit.edu</a><br>
>> > > <a href="http://mailman.mit.edu/mailman/listinfo/mosh-devel" rel="noreferrer" target="_blank">http://mailman.mit.edu/<wbr>mailman/listinfo/mosh-devel</a><br>
>> > ><br>
>> ><br>
>> > ------------------------------<wbr>----------------------<br>
>> > Alternatives:<br>
>> ><br>
>> > ------------------------------<wbr>----------------------<br>
>><br>
><br>
><br>
> ______________________________<wbr>_________________<br>
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> <a href="mailto:mosh-devel@mit.edu">mosh-devel@mit.edu</a><br>
> <a href="http://mailman.mit.edu/mailman/listinfo/mosh-devel" rel="noreferrer" target="_blank">http://mailman.mit.edu/<wbr>mailman/listinfo/mosh-devel</a><br>
><br>
<br>
<br>
<br>
--<br>
</div></div><span class="HOEnZb"><font color="#888888">Lizhou Sha<br>
Massachusetts Institute of Technology<br>
Department of Physics<br>
</font></span></blockquote></div><br></div>