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Minecraft Server Hibernation

Avoid wasting of resources by automatically starting your minecraft server when a player join and stopping it when no one is online
(for vanilla/modded on linux/windows/macos)

version: v2.4.4
Copyright (C) 2019-2021 gekigek99

Check the releases to download the binaries (for linux, windows and macos)

You can compile msh from the dev branch to access a more updated version but beware that it might still need testing

PROGRAM COMPILATION:

This version was successfully compiled in go version 1.15
Compilation procedure:

git clone https://github.com/gekware/minecraft-server-hibernation.git  
cd minecraft-server-hibernation/  
go build .

INSTRUCTIONS:

1. Install your desired minecraft server
2. Edit the parameters in config file as needed (check definitions):
   • Folder
   • FileName
   • StartServerParam
   • StopServer
   • * StopServerAllowKill
   • * HibernationInfo and StartingInfo
   • * TimeBeforeStoppingEmptyServer
   • * NotifyUpdate
3. * put the frozen icon you want in path/to/server.jar/folder (must be 64x64 and called server-icon-frozen.png)
4. on the router (to which the server is connected): forward port 25555 to server (tutorial)
5. on the server: open port 25555 (example: ufw firewall)
6. run the msh executable
7. you can connect to the server through port 25555

* = it's not compulsory to modify this parameter

remember to automatically run msh at reboot

DEFINITIONS:

only text in braces needs to be modified (remember to remove all braces)

Location of server folder and executable. You can find protocol/version here (but msh should set them automatically):

"Server": {
  "Folder": "{path/to/server/folder}",
  "FileName": "{server.jar}",
  "Protocol": 756,
  "Version": "1.17.1"
}

Commands to start and stop minecraft server:

"Commands": {
  "StartServer": "java <Commands.StartServerParam> -jar <Server.FileName> nogui",
  "StartServerParam": "-Xmx1024M -Xms1024M",
  "StopServer": "stop",
  "StopServerAllowKill": 10
}
# if StopServerAllowKill is more than 0, then the specified number is the amount of seconds
# given to the minecraft server to go offline, after which it is killed

Set the logging level for debug purposes

"Debug": 1
# 0 - NONE: no log
# 1 - BASE: basic log
# 2 - SERV: mincraft server log
# 3 - DEVE: developement log
# 4 - BYTE: connection bytes log

Hibernation and Starting server description

"InfoHibernation": "                   §fserver status:\n                   §b§lHIBERNATING",
"InfoStarting": "                   §fserver status:\n                    §6§lWARMING UP",

Set to false if you don't want to notify updates in game chat (every 20 minutes)

"NotifyUpdate": true

60 seconds is the time (after the last player disconnected) that the script waits before hibernating the minecraft server

"TimeBeforeStoppingEmptyServer": 30     #any parameter more than 30s is recommended

Some of these parameters can be configured with command-line arguments (--help to know which)

CREDITS:

Author: gekigek99

Contributors: najtin, f8ith, Br31zh, someotherotherguy, navidmafi, cromefire
Docker branch: lubocode

If you wish to contribute, please create a pull request using the dev branch as the base for your changes

Give a star to this repository on github!