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Showing posts from June 14, 2017

Securing Your Linux System Bit by Bit

Securing Your Linux System Bit by Bit As daunting as securing your Linux system might seem, one thing to remember is that every extra step makes a difference. It’s almost always better to make a modest stride than let uncertainty keep you from starting. Fortunately, there are a few basic techniques that greatly benefit users at all levels, and knowing how to securely wipe your hard drive in Linux is one of them. Because I adopted Linux primarily with security in mind, this is one of the first things I learned. Once you have absorbed this lesson, you will be able to part with your hard drives safely. As you might have deduced, the usual way of deleting doesn’t always cut it. The most often-used processes for deleting files — clicking “delete” in the operating system or using the “rm” command — are not secure. When you use one of these methods, all your hard drive does is mark the area where the deleted file used to be as available for new data to be written there. In other words, the …

What Einstein’s quirky habits teach us

Albert Einstein Celebrated inventor and physicist Nikola Tesla swore by toe exercises – every night, he’d repeatedly ‘squish’ his toes, 100 times for each foot, according to the author Marc J Seifer. While it’s not entirely clear exactly what that exercise involved, Tesla claimed it helped to stimulate his brain cells.

The most prolific mathematician of the 20th Century, Paul Erdos, preferred a different kind of stimulant: amphetamine, which he used to fuel 20-hour number benders. When a friend bet him $500 that he couldn’t stop for a month, he won but complained “You’ve set mathematics back a month”.

Newton, meanwhile, bragged about the benefits of celibacy. When he died in 1727, he had transformed our understanding of the natural world forever and left behind 10 million words of notes; he was also, by all accounts, still a virgin (Tesla was also celibate, though he later claimed he fell in love with a pigeon).
Like it or not, our daily habits have a powerful impact on our brains