[UCIMC-Tech] bikeproject.org file edits not appearing on on site

Chris Ritzo chris.ritzo at gmail.com
Fri Jan 18 01:16:27 UTC 2013 

try it now Barry. I've updated the DNS and thebikeproject.org is now
responding to pings at 209.66.96.72. Access log also confirms.


On Thu, Jan 17, 2013 at 6:58 PM, Barry Isralewitz <barryi at ks.uiuc.edu>wrote:

> Hello,
> Were you able to make the DNS changes?   Should have propagated by now,
> yes?
>
> Details: I'm still seeing, on  www.thebikeproject.org, web pages served
> from week-old versions  of the files .  Also, the access log I can see on
> imc.naf still doesn't register my browser accesses to the webpages.
>
> From dig...
> thebikeproject.org. 300 IN A 75.145.177.76
> fixx0.chambana.net. 842 IN A 75.145.177.76
> imc.naf.chambana.net. 900 IN A 209.66.96.72
>
>
>
> Cheers,
>
> Barry
>
>
> On Jan 15, 2013, at 1:15 PM, Barry Isralewitz wrote:
>
> Hi,
>
> Cool, I'll wait for the DNS changes.  Thanks, folks.
>
> Suspected this  this  in 1c, 4, and 5 in my recent suggestion email below.
>  Checking the list archives, looks like my recent mails to IMC- Tech have
> been (silently!) bouncing; I mailed then from my gmail account, not my UIUC
> account.   I'll remember to send from an address that is actually a member
> of the list in future. But shouldn't I get a 'your message awaits moderator
> approval' mail if I make this mistake?
>
> Cheers,
>
> Barry
>
> On Jan 15, 2013, at 12:49 PM, Chris Ritzo wrote:
>
> Sure. I thought I'd changed it.
>
>
> On Tue, Jan 15, 2013 at 12:40 PM, Josh King <jking at chambana.net> wrote:
>
>> Hi Chris,
>>
>> It looks like the thebikeproject.org DNS is still pointing to fixx0.
>> Would you like me to change them to point at imc.naf.chambana.net?
>>
>>
> On Jan 15, 2013, at 12:33 PM, Barry Isralewitz wrote:
>
>
> Some ideas/suggestions.  I'm typing this without limited access to the
> machines involved, and just a short look around, so forgive me if I get too
> far off here, especially on your network-attached filesystem approach.
> Apologies for the following combination of my own ignorance and possible
> reviewing of obvious things...
>
> 1. Cycle apache on imc.naf
> a)  Kill all apache2 instances, I think with
>  /etc/init.d/apache 2 stop
>  or
>  /etc/rc1.d/K01apache2
> b)  then double check with ps -eaf
> c) check that thebikeproject.org is indeed not reachable via web browser
> d) then restart the service ( I think with /etc/init.d/apache 2 start or
>  /etc/rc3.d/S03apache2  )?
>
> 2. Unmount+remount or otherwise refresh  disks involved?  Could this be a
> glusterfs configuration thing?  I just learned of glusterfs a minute ago,
> after running below commands.  I see  root dir (/) for imc.naf is
> rasputin's /naf , which is a little different from configurations I'm used
> to, so I may be off on the basic concept here...
>
> barryi at imc:var/www/thebikeproject.org (((i))) df -kh /var/www/
> thebikeproject.org/
> Filesystem      Size  Used Avail Use% Mounted on
> rasputin:/naf   1.0T  322G  702G  32% /
>
> barryi at imc:var/www/thebikeproject.org (((i))) mount | grep naf
> rasputin:/naf on / type fuse.glusterfs
> (rw,relatime,user_id=0,group_id=0,default_permissions,allow_other,max_read=131072)
>
> Could the problem be with some glusterfs feature like caching?
>
>
>
> 3. Turn it off and on again.  That is, simplest but most severe:  Restart
> imc.naf.chambana.net as well as  the associated file server rasputin.
>  Power both down, then power rasputin back up first.  Plus,  if any other
> machine is running apache2 or serving needed files and I haven't realized
> it, similarly restart those too.  Uptime on imc.naf is 68 days. Experience
> from NFS: Sometimes, with a stale NFS handle, and maybe with other
> confusion based on moved mount points, only solution is to restart the
> machine. (I suppose restarting NFS should work, but if if you going to go
> that far anyway, might as well restart or  power cycle.)
> 4. Make sure we know which machine is serving web queries.  In all of
> above approaches I'd try to access thebikeproject.org web site while the
> targeted machine/service/file system was unavailable. That is, when apache2
> is not running on imc.naf,  for the few seconds when imc.naf.chambana.net was
> powered down, or when all apache2 processes are verified killed, try to
> browse thebikeproject.org, to make sure some other server independent of
> imc.naf isn'y somehow serving the page.
>
> 5. It's looking a little like there is more than one apache2 instance
> serving thebikeprojectorg files.  One responds to web queries with week-old
> pages, and is not logging to access and error logs.  Another seems to
> respond to one or two accesses a day and is logging to access and error
> logs (there should be hundreds of log entries, including the handful of
> test accesses I've been generating each day, but there are only two or so
> each day in
>  /home/barryi/tbp-logs/thebikeproject.org-access_log
> ).  I don't know if the latter apparent instance is serving old or new
> pages.  This would be less confusing if there were _no_ log entries each
> day in access/error logs, but each day a couple appear -- and they are not
> the test accesses that I make.  Could this point  to some recently
> switched-around IP numbers  / DNS server changes?
>  Let me know what you think…
>
> Cheers,
>
> Barry
>
>
>
>
>
>
> On 01/15/2013 08:10 AM, Chris Ritzo wrote:
>> > I don't know. Josh, any thouhgts?
>> >
>> >
>> > On Tue, Jan 15, 2013 at 1:53 AM, Barry Isralewitz <
>> > barry.isralewitz at gmail.com> wrote:
>> >
>> >> Hello,
>> >>
>> >> Any ideas about this?
>> >>
>> >> Cheers,
>> >>
>> >> Barry
>> >>
>> >> On Jan 13, 2013, at 6:26 PM, Barry Isralewitz wrote:
>> >>
>> >> Hi Chris,
>> >>
>> >> When I am logged into imc.naf.chambana.net, and try to make changes to
>> >> thebikeproject.org website by modifying the files in
>> >>
>> >> /var/www/thebikeproject.org
>> >>
>> >> …the changes do not appear on the site.  Any idea what is going on?
>> >>
>> >> Details:
>> >>
>> >> For example, I'll edit...
>> >> /var/www/thebikeproject.org/index.html
>> >>   …or...
>> >> /var/www/thebikeproject.org/include/event-sidebar.html
>> >> … and the files are modified, …but when I go to a web browser to view
>> the
>> >> web pages, the changes do not appear on the site.  I don't think this
>> is a
>> >> client cache problem; file edits that have been in place for days don't
>> >> appear in the served web pages; I see the same result on multiple
>> devices
>> >> on different networks (UIUC and AT&T cell).  The behavior is like
>> there is
>> >> some other, older copy  somewhere that apache2 is serving.
>> >>
>> >>    I see DocumentRoot set for "/var/www/thebikeproject.org", which is
>> >> what I'd expect.  Is apache2 confused about what mount point it should
>> be
>> >> looking at?  Maybe some NFS  file handle problem?
>> >>
>> >> Here are, as far as I can tell, the settings in place for
>> >> thebikeproject.org:
>> >>
>> >> (on  imc.naf.chambana.net)
>> >> =======
>> >> cat /etc/apache2/sites-enabled/thebikeproject.org
>> >>
>> >> <VirtualHost *:80>
>> >>     ServerName thebikeproject.org
>> >>     ServerAlias www.thebikeproject.org
>> >>     ServerAdmin hostmaster at chambana.net
>> >>
>> >>     DocumentRoot "/var/www/thebikeproject.org"
>> >>     ErrorLog "/home/barryi/tbp-logs/thebikeproject.org-error_log"
>> >>     CustomLog "/home/barryi/tbp-logs/thebikeproject.org-access_log"
>> >> combined
>> >> </VirtualHost>
>> >>
>> >> ========
>> >>
>> >> Thanks for any guidance...
>> >>
>> >> Cheers,
>> >>
>> >> Barry
>> >>
>> >>
>> >>
>> >>
>> >> --
>> >> Barry Isralewitz
>> >> barry.isralewitz at gmail.com
>> >>
>> >>
>> >>
>> >> --
>> >> Barry Isralewitz
>> >> barry.isralewitz at gmail.com
>> >>
>> >>
>> >>
>> >
>> >
>> >
>> > _______________________________________________
>> > IMC-Tech mailing list
>> > IMC-Tech at lists.chambana.net
>> > https://lists.chambana.net/mailman/listinfo/imc-tech
>> >
>>
>> --
>> Josh King
>>
>> "I am an Anarchist not because I believe Anarchism is the final goal,
>> but because there is no such thing as a final goal." -Rudolf Rocker
>>
>>
>
> --
> Barry Isralewitz
> Theoretical and Computational Biophysics Group
> 3043 Beckman, University of Illinois at Urbana-Champaign
> Office Phone: (217) 244-1612
> email: barryi at ks.uiuc.edu   http://www.ks.uiuc.edu/~barryi
>
>
> --
> Barry Isralewitz
> Theoretical and Computational Biophysics Group
> 3043 Beckman, University of Illinois at Urbana-Champaign
> Office Phone: (217) 244-1612
> email: barryi at ks.uiuc.edu   http://www.ks.uiuc.edu/~barryi
>
>
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