Mapping Trackball Buttons

For years, I’ve used a Logitech M570 wireless trackball with my Linux Mint PC. I generally prefer trackballs to mice — no need to lift and reposition after a bunch of movement — and I find that using my thumb, rather than my index finger (or, if I’m in a bad mood, my middle finger) …

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Oracle Java 8 Update

For quite a while, I was getting security nags from Firefox every time a web site wanted to run a Java applet. Firefox would tell me I needed to upgrade to the latest version of Java. That would have been fine, except that I was already running the latest Java (1.8.0_66 as of this writing). …

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The rJava Nightmare

I like R. I like Java. I hate the rJava package, or more precisely I hate installing or updating it. Something (often multiple somethings) always goes wrong. I forget that for some reason I need to invoke root privileges when installing it. It needs a C++ library that I could swear I have, except I …

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Updating Adobe Flash

Within the past week, give or take, Firefox started blocking the Adobe Shockwave plugin from running in web pages, due to a security problem with it. I could (and did, when I trusted the site) override the warning, but in general bypassing security is a bad idea. Even when the site is trusted, you have …

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