Text2McBook VS Purpur

Combine the book update with plausible deniability, and the various tools online that let you just bulk convert text into minecraft style books, and you have a pretty easy way to get information out there or to set up a drop zone to pass information on to other people. I wouldn't be surprised if there are spies out there in the wild right now that use Minecraft to share information. "Oh, minecraft? Yeah, my son plays it. What's that? He connected to a server in America? Yeah, he likes to play that one game. What is it called? Hungry Game? The server is probably in America." Meanwhile, the spy is setting up coordinates to drop a book in a chest ala modern day digital dead drop. Use a basic single use encryption on the text as well and you're golden.

Hey, i got inspired from you post and created a small script in python. It creates from a text file with your short stories another textfile with formated text which can easily be copy-pasted in a book in the game. You can check it out here: https://github.com/Neocky/Text2McBook

We will be downloading the Minecraft server files into this directory. To preface, there are numerous variations of server JARs that can be used (e.g. Spigot, Paper, Purpur each touting their own benefits). For this tutorial, we will be working with Paper, a fork of Spigot that is optimized for performance.

I Mostly Like Linux as a OS For a Server and PurpurMC (https://purpurmc.org) As a Server Software and i Mostly Use EssentialsX and WorldEdit and More Server Management Stuff.

If you prefer to go the old-school Bukkit/Spigot/Paper/Purpur route (which provides the greatest level of compatibility with pre-existing server plugins), I recommend the latter of the four. Each of these projects is a fork, built on each other in that same order. Each fork offers additional customisation, API, and performance enhancements over its predecessor.

I’d recommend Paper (which is a fork of spigot) or Purpur which is a fork of paper and pufferfish

If you're looking to re-add gravity duping I would recommend not using a plugin but switching your server software to PurpurMC. It is a fork/version of PaperMC that re-adds gravity duping as a config option as well as the ability to toggle back on things like tnt duping and several other features that the PaperMC devs arbitrarily decided were bugs (even though Mojang has explicitly not removed them).

Small addendum:\ If you want to keep using a paper derivative (as a drop-in replacement), you can use purpurMC instead. It provides a config option to enable gravity block duping by disabling sand.fix-duping. (At least for sand)

You can host a small purpur server

Have you tried re-downloading the latest purpur jar file from the purpur website?

tweak some configuration, try lower your entities spawn, I at last you might want to try PurPurMC for the server, it's paper fork with some modification, I feel a lot of improvement since using this fork...