1
28 April
2019

I recently tried to up[date my SSL certificates and got:


Attempting to renew cert (dudek.org) from


/etc/letsencrypt/renewal/myside.conf

produced an unexpected error:

'module' object has no attribute 'install_ssl_options_conf'. Skipping.



The solution was up upgrade my version of certbot, certbot-apache and also openssl, and lib-ssl-dev. The steps were as follows:

apt-get install --only-upgrade openssl
apt-get install --only-upgrade libssl-dev
apt-get install python-certbot-apache
pip install certbot-apache

Note that the last 2 steps should, in principle, not both be required, but sometimes are due to various quirks on older installations.
This process installed several new components on my older Ubuntu release, and messed up my python2 distribution somehow (possibly due to a bug in the installer for python3-certifi ) by installing some python 3 library like reprlib in the python2 distribution! I had to use:

rm -rf /usr/local/lib/python2.7/dist-packages/reprlib
rm -rf /usr/local/lib/python2.7/dist-packages/copyreg/

And then re-do

apt-get install python-certbot-apache


By Gregory Dudek at | Leave a comment |    

  

Well, it's been a long time since my last update. I'm working at/with Samsung these days and it's been filled with new opportunities and challenges. They are building a new AI lab in Montreal and staffing it up.


By Gregory Dudek at | Leave a comment |    
18 November
2018

  

International Symposium on Experimental Robotics

I went to the International Symposium on Experimental Robotics where our group had a couple of papers, and I also gave a talk at an associated local workshop. The meeting was, as usual, a great mixture of interesting work, professional networking, and a bit of exposure to the local culture.

My colleagues Ioannis and Stergios, with me
My colleagues Ioannis and Stergios, with me
(Click to expand)


ISER people assembled for a picture
ISER people assembled for a picture
(Click to expand)


Buenos Aires by day
Buenos Aires by day
(Click to expand)


ISER people
ISER people
(Click to expand)


Buenos Aires by night
Buenos Aires by night
(Click to expand)




Sightseeing
Sightseeing
(Click to expand)


Giving a talk
Giving a talk
(Click to expand)


A also gave a talk at an affiliated workshop
A also gave a talk at an affiliated workshop
(Click to expand)


People at the outreach workshop
With the organizers at the outreach workshop
(Click to expand)


Yiannis giving his talk
Yiannis giving his talk
(Click to expand)


Fancy hotel
Fancy hotel
(Click to expand)




By Gregory Dudek at | Leave a comment |    
31 October
2018

I had to opportunity to attend the tribute to Louis Dudek, held at the writer's chapel of St. Jax Church in downtown Montreal. He was, of course, my father and a famous Canadian poet, writer, critic and scholar. At the event a plaque was unveiled and a selection of writers and other people gave short presentations or readings, including Michael Gnarowski the organizer, publisher and writer, Bernhard Beutler who studied and translated my father's work, and poet Stephen Morrissey who gave a great presentation and also read a new poem for the occasion.

Stephen Morrissey's
blog
gives more detail and the beautiful text of his speech.













By Gregory Dudek at | Leave a comment |    
16 September
2018

It's too early to be certain, but ICRA 2019 is looking to be a big one, which is what we expected. The number of submissions to RA letters has exceeded previous records, and the number of regular submissions is climbing (see figure), and there are also a few typhoon/hurricane extended-deadline papers to come later.

The plot below shows submissions coming in, but the absolute number is misleading since it fails to indicate papers in the other input streams.


ICRA 2019 submissions
ICRA 2019 submissions
over time as the deadline approaches,
not including RA-letter and delayed papers
(Click to expand)



By Gregory Dudek at | Leave a comment |    
14 September
2018

Extensions for natural disasters

As the ICRA 2019 deadline was approaching, two natural disasters became apparent: Hurricane Florence and Typhoon Mangkhut. How were to to respond? No official standard policy for deadlines extensions due to natural disasters exists in our community, and some sub-communities like SIGGRAPH do not make exceptions in such cases. Worse yet, we don't have a good standard mechanism for monitoring such events. This is especially tricky since hurricanes and typhoons are intrinsically unpredictable and people can also get upset when extensions are given out selectively and without sufficient cause. Moreover, broad extensions cause a whole cascade of downstream problems and deadline changes what can have potentially serious repercussions.

In our case in 2018, we first became aware of Hurricane Florence (due to being contacted several days early on by members whose universities announced closure policies) and shortly afterwards developed a policy to provide deadline extensions for those who were experiencing extreme hardship.

Subsequently, we learned of Typhoon Mangkhut and extended the policy to that event, first informally and then via an official web site update that took some time to propagate.

This seems to have become a somewhat regular issue and ad hoc methods we used a few year ago when our community was much smaller are not adequate. We will have to develop better mechanisms for world-wide monitoring and adaptation to such emergencies.


By Gregory Dudek at | Leave a comment |    
13 September
2018

  

Submissions for ICRA 2019 are coming in.

We created a special policy for people and organizations being hit directly by hurricane Florence. Since that is probably not a huge fraction of our community, we opted for a solution that involves a substantial amount of manual intercession and verification.

I looks like the conference will be far bigger that originally predicted back when we made our bid many years ago. Best estimates from our team and our community at large are currently at about 4,000 people, but with quite a lot of variance.

We have repeatedly scaled up our plans and with the paper deadline imminent, we should finally have a solid estimate of how big the conference will be, although it's still hard to know the ratio of attendees to papers.


By Gregory Dudek at | Leave a comment |    

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