[Box-Admins] For information - possible squeaksource.com issue

[David T. Lewis]

Thanks Levente,

I will look into this after I have resolved the current squeaksource.com
issue. I have the saved image that has captured the problem, and I will work
with that on my local PC today.

Dave

On Mon, Nov 11, 2013 at 08:59:08AM +0100, Levente Uzonyi wrote:
> On Sun, 10 Nov 2013, David T. Lewis wrote:
> 
> >For information - no action required:
> >
> >Our squeaksource.com service is running with no apparent problems, but
> >there is a possibility of problems arising in the next day, so I am
> >sending this for information.
> >
> >I checked our squeaksource.com image on box3 via VNC about an hour ago,
> >and noticed an error notifier related to startup processing following
> >an image save. The error was related to port 8888 already in use. I
> >closed the notifier, then found that http://squeaksource.com was no
> >longer active.  I made a backup copy of the most recently saved disk
> >image (in a BACKUPS subdirectory), then saved the image and restarted
> >it.
> >
> >Squeaksource.com is running normally, but VNC access is no longer
> >working. This means that something failed in the startup processing,
> >and this may lead to problems later on. It also means that it is
> >hard to debug, because I no longer have VNC access.
> >
> >I cannot do anything further tonight, but will follow up tomorrow
> >to correct the problem.
> 
> It would be worth installing xpra[1][2], and starting the image with it. 
> IIRC the box has debian installed on it, so the following steps should 
> work:
> 
> 
> On the server:
> 
> Installation:
> $ sudo apt-get install xpra
> 
> Start xpra on display #100:
> $ xpra start :100
> 
> Start the VM (this might have to be different on the server):
> $ DISPLAY=:100 squeak -vm-sound-null squeaksource.image
> 
> 
> On your machine:
> 
> Once you have xpra installed, you can attach to squeak running on the 
> server via ssh:
> 
> $ xpra attach --encoding=jpeg --auto-refresh-delay=0.1 ssh:box3:100
> 
> Here box3 is the label defined in the ssh config file, which can usually 
> be found in $HOME/.ssh/config
> If you don't have such entry or file yet, then the following will do the 
> trick:
> 
> Host box3
>      hostname box3.squeak.org
>      user <your_username>
>      compression yes
>      port 22
> 
> You might want to use a different value for the --auto-refresh-delay 
> parameter.
> 
> To detach from the image - but keep it running on the server - simply stop 
> the xpra on your machine with Ctrl-C.
> 
> 
> Levente
> 
> [1] http://xpra.org/
> [2] https://help.ubuntu.com/community/Xpra
> 
> >
> >Dave
> >
> >