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The 2013 sci-fi blockbuster film Gravity, starring Sandra Bullock and George Clooney, popularized the notion of the Kessler syndrome. In the movie, Russia shoots down a defunct satellite and creates a cloud of debris, leading to serious tension in orbit.
The movie is fantastic, a true thriller, and while some liberties were taken with the depiction of outer space, the basic premise of a cascading series of collisions rendering orbits too cluttered with debris to be usable is valid. The idea was first proposed by NASA scientists Donald Kessler and Burton Cour-Palais nearly half a century ago.
Still, the movie was science fiction, right?
Are you interested in checking the changelog of a package on Debian or Ubuntu and Linux Mint? You may need to search to see if the particular CVE (Common Vulnerabilities and Exposures) is fixed. Suppose you have installed or upgraded a package in Debian or Ubuntu Linux. In that case, you can easily find out what changes have been made to the package, including new features or bug fixes. Here's how you can view the changelog of a Debian package in Debian or Ubuntu Linux.
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The post Debian/Ubuntu Linux show package changelog command appeared first on nixCraft.
Here is a quick tip that explains how to add a Mastodon verification link for the Discourse forum.
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I have many PDF files, and I need to convert them to a png file format, add a border to those images, and convert back all those images to pdf format. How can I convert pdf to image format on Linux and vice versa using the CLI?
The post How to convert pdf to image on Linux command line appeared first on nixCraft.
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