If you consider yourself a good cook, you may or may not know how to make a souffle or baklava. But there are certain things you probably do know how to do that form the basis of many recipes. For ...

Sudo lets you run any terminal command as another user — hence "substitute user" — but the default and most common use for it ...

All but the most casual Linux users no doubt have encountered regular expressions, if only in a cursory manner. Regular expressions are extremely powerful and flexible pattern-matching and -replacing ...

In DDoS Protection, Gcore uses the bundle of XDP and regular expressions (regex). This article will explain why Gcore started using this solution (regex in XDP) and how they bound them via a ...

Regular expressions — the things you feed to programs like grep — are a bit like riding a bike. It seems impossible until you learn to do it, and then it’s easy. Part of their bad reputation is ...