Top 10 Ways to Protect Your Linux Home System

As a result of articles referring to the threat of Worms and Viruses attacking Linux systems, many new Linux users are in a panic. They are running around wildly, weaping to their mothers for help...
or maybe not? I find very few new users who are either panic stricken regarding worms & viruses or for that matter even concerned. The few beginners who've asked me about the need and options tend to be curious rather than consumed by FUD related materials.
To help them out and calm any panic stricken nerves, I've completed a brief, encouraging and straightup list for protecting your Linux home system. Obviously, if you're using a Linux server in a business environment you'll need to go beyond some of these tips.
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Meltdown/PTI Mitigation Impact On BSDs vs. Linux
Besides the fresh BSD/Linux disk performance tests, some other tests I ran on various BSDs and Linux distributions this week was looking at the performance impact of Intel Meltdown CPU vulnerability mitigation on each of them, namely the performance impact of using kernel page-table isolation.
On DragonFlyBSD 5.2, TrueOS 18.03, Ubuntu 16.04, Ubuntu 18.04, and Clear Linux I ran tests when the mitigation was enabled and then again when it was off for seeing the performance impact.
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