Linux is a multi-user operating system. What does that mean? Like all good operating systems, you can have multiple user accounts on one machine. You can also have more than one user logged in at once ...

Password managers are a necessity to remain secure — even if you’re limited to the command line. If you aren’t using a password manager, you’re not doing security right. By not employing such a tool, ...

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If you can remember all of your passwords, they're not good passwords. I used to teach people how to create "good" passwords. Those passwords needed to be lengthy, hard to guess and easy to remember.

Linux provides a number of ways to control who has access to your files and what kind of access they have. Keeping your files private from anyone but those with superuser (root) access is easy on ...