Archive for September, 2016

How To Conquer Your Fear

Frank Herbert taught us the “Litany against fear” in his Dune novels. Hayley Ashburn applies the litany in her highline walk, high up in the mountains. Quite an exploit, I’d say. 

Hayley Ashburn on a highline in the Italian Alps. Click the image to see the video on Vimeo.

Hayley Ashburn on a highline in the Italian Alps.
Click the image to see the video on Vimeo.

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xkcd: Earth Temperature Timeline

Visit XKCD’s website for the full, long version
(Just click on the picture).

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Will Donald Trump Sr. might make a good president? I don’t have a say in the matter, but I know the whole world will have to suffer the decisions made by the next President of the USA. Presidents don’t make decisions on their own, they are assisted/guided by advisors… and family members. That means that this little tidbit of investigative journalism is actually very bad news for the world: “Nazi Who Originated Donald Trump Jr.’s Skittles Analogy Was Hanged at Nuremberg“. Racism, its seems, is a big part of Trump’s state of mind and at the same time a big (somewhat hidden) theme in his campaign. That’s frightening news.

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For my own comfort I am documenting this little (but essential) tidbit on my blog: How to “Remove Old Kernels In Ubuntu With One Command“. It’s a post from 2010, but it should work, according to the comments. I will admit, however, that I handled my current problem using the (manual) instructions I found on “Ask Ubuntu”.

Here's what I saw

Here’s what I saw (with a larger number)

I have been updating my system regularly, as it should, since the initial installation. Using the manual instructions mentioned, I managed to delete all 4.2 kernels and more.

Admittedly, I also issued these commands:

> sudo apt-get clean


> sudo apt autoremove

Yes, that last one uses ‘apt and not ‘apt-get‘ – that’s how it was spelled somewhere, and it cleaned up a lot of stuff! I’m not sure if it’s best or safest way to make sure you’re only running the latest installed kernel, though. I know Linux is for geeks <grin />, but I can’t help agreeing with one of the commenters on the post mentioned: “There’s no excuse Ubuntu doesn’t do some kind of automatic cleanup…“, or at least does so with a single, simple command or tool.

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Last week, a relative of mine as well as a friend passed away. If nothing else, that should explain why I did not post any entries to this blog, even though I have a long list of subjects to write about. Patience, please.

While looking for portraits of said relative I stumbled upon photos I made a long time ago, in the first days of digital photography. I made them with my Nikon Coolpix 885 in 2002, as well as with the Nikon Coolpix 5400 in 2005: you’ll find copies of them on Flickr.

Made with a Nikon Coolpix 5400 in 2005

Made with a Nikon Coolpix 5400 in 2005

I find it quite remarkable that those images do not look that old, at least on a computer screen and without magnification. We may always be lusting for the latest technology and more resolution, but these photographs prove that you don’t need the latest stuff to make pictures that are worth looking at.

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I like this video a lot. It’s worth seeing several times, by the way, because it is more profound than you might think when seeing its title.

Don’t forget: “Photography is a language the whole world can understand“.

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The summer of 2016 is the worst summer in the history of our solar panels. “Worst” in the sense that the solar electricity production numbers of the months of June, July and August combined – the meteorological summer – are the lowest since 2010. And that is because all three months were below average – including August.


August managed to finish strongly, with hot and mostly sunny weather during the last two weeks; but that was insufficient to rectify the situation. Even taking into consideration that the efficiency of solar panels is known to decline a bit over the years, there is only one conclusion possible: the summer of 2016 was wel below average here in Belgium.

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