Flags Generator

A simple script generator to start your Minecraft servers with optimal flags.

File Name

The name of the file that will be used to start your server.

Environment

The operating system that the server runs on.

Software

The software in which your Minecraft server will run on.

Memory

The amount of memory (RAM) to allocate to your server.

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0 GB

Flags

The collection of start arguments that typically optimize the server's performance.

Config

The various additions and modifications that can be made to your start script.

No GUI

Whether to display the built-in server management GUI.

Use Variables

Whether to use environment variables within the script to define memory, file name, and other commonly changed elements.

Auto-restart

Whether to automatically restart after it is stopped.

Script

The resulting script that can be used to start your server. Place this file in the same location as server.jar, then execute it!

#!/usr/bin/env bash

java -Xms0M -Xmx0M -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -jar server.jar