Rotating one or more pages in a PDF in linux

Had to rotate a single page of a PDF. Here’s how to do it using pdftk (from makandra.com):

  • rotate page 1 by 90 degrees clockwise:
pdftk in.pdf cat 1east output out.pdf # new pdftk
  • To rotate all pages clockwise:
pdftk in.pdf cat 1-endeast output out.pdf # new pdftk

The east etc. Read the rest of this entry »


Various remote work guides and tips

Here’s a place where I’m collecting various tips and tricks for remote work in light of the University of Lethbridge moving to “alternate methods of delivery.” I’ll update this as I go.

Some Zoom tips.

The university is encouraging us to use Zoom for meetings, office hours, and classes. Read the rest of this entry »


Zoom in the time of COVID-19: Setting up Zoom for classes and office hours at the U of L

The University of Lethbridge is moving to an ‘alternate delivery model’ for classes as of Wednesday March 18. Mostly, this seems to me subscribing to Zoom, a widely-used teleconferencing system, and encouraging faculty to use it. Since the University of Lethbridge has not previously subscribed to Zoom, this means that a lot of faculty members will be doing two new things starting on Wednesday: using Zoom and teaching on Zoom.

I’ve used Zoom a lot in the last couple of years for my research (in fact my lab has a subscription of its own). The following are some tips and hints for faculty that are using it for the first time to teach. They are based on my experience running workshops and meetings, rather than teaching. I’ll update them as I get tips and experience. They are not meant to replace online guides to using Zoom (such as this one from UC San Diego). Just things you might not think about or see in such guides. Read the rest of this entry »


Das Cabinet des Dr. Caligari/The Cabinet of Dr. Caligari (1920)


If…. (1968)


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