terminal,shortcuts,bash

Terminal Hotkey Raiders

This article introduces and sorts out some hotkeys of the terminal, let’s see what you don’t know? Come and try.

certbot,letencrypt

Manually update the full record of Whildcard certificate, tips on how to automatically update unbelievable

I wrote this record of manual update first, because I think about the future and then write an automatic update. That's how you have a control group. If we have used Let's encrypt to apply for a whildcard certificate, we will definitely find this passage after the successful application.

About TTFB

TTFB (Time To First Byte): The browser is waiting for the first byte of the response. TTFB stands for time to first byte. This time includes 1 round trip delay and the time for the server to prepare a response.