David Leadbeater

Port knocking is mostly a bad idea. But people keep wanting to do it, for some false sense of security. If you don't consider it a security control but a way to keep garbage out of your logs, it might be valid. Here's one way to do it with OpenBSD's pf. More..

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Can your terminal do emojis? How big?

2025178 points161 comments Tools & Productivity details

Emojis are great. They're particularly useful to put in the output of scripts and get some eye catching output. At least provided they aren't overused, just like colour.