Minecraft World Management: Multiverse, WorldBorder and Backup Guide

# plugins/Multiverse-Core/worlds.yml — World settings
worlds:
  survival:
    environment: NORMAL
    generator: DEFAULT
    gameMode: SURVIVAL
    difficulty: HARD
    pvp: true
    hunger: true
    keepSpawnInMemory: true
    allowFlight: false
    autoHeal: true
    animals:
      spawn: true
      rate: 1
    monsters:
      spawn: true
      rate: 1
  creative:
    environment: NORMAL
    gameMode: CREATIVE
    difficulty: PEACEFUL
    pvp: false
    hunger: false
    keepSpawnInMemory: false
    allowFlight: true
    animals:
      spawn: true
    monsters:
      spawn: false

Chunky command order:
1. /chunky world <world>       → Select the target world
2. /chunky center <x> <z>     → Centre coordinates
3. /chunky radius <blocks>    → Radius (in blocks)
4. /chunky shape <shape>      → square or circle
5. /chunky start              → Start pre-generation
6. /chunky pause              → Pause
7. /chunky continue           → Resume
8. /chunky cancel             → Cancel

#!/bin/bash
# minecraft-backup.sh — Automatic world backup script

# Settings
SERVER_DIR="/opt/minecraft"
BACKUP_DIR="/opt/backups/minecraft"
DATE=$(date +%Y-%m-%d_%H-%M)
RETENTION_DAYS=7
SCREEN_NAME="minecraft"

# Create the backup folder
mkdir -p "$BACKUP_DIR"

# Announce the backup and turn off auto-saving
screen -S $SCREEN_NAME -p 0 -X stuff "say §6Backup starting, you may notice a brief delay...$(printf '\r')"
screen -S $SCREEN_NAME -p 0 -X stuff "save-off$(printf '\r')"
screen -S $SCREEN_NAME -p 0 -X stuff "save-all$(printf '\r')"
sleep 5

# Compress the worlds
cd "$SERVER_DIR"
tar -czf "$BACKUP_DIR/worlds_$DATE.tar.gz" \
  world/ world_nether/ world_the_end/ \
  survival/ creative/ skyblock/ \
  --exclude='*.tmp' --exclude='session.lock'

# Turn saving back on
screen -S $SCREEN_NAME -p 0 -X stuff "save-on$(printf '\r')"
screen -S $SCREEN_NAME -p 0 -X stuff "say §aBackup complete!$(printf '\r')"

# Clean up old backups
find "$BACKUP_DIR" -name "worlds_*.tar.gz" -mtime +$RETENTION_DAYS -delete

echo "[$DATE] Backup complete: $BACKUP_DIR/worlds_$DATE.tar.gz"

# bukkit.yml — Entity spawn limits
spawn-limits:
  monsters: 50        # Default: 70
  animals: 8           # Default: 10
  water-animals: 3     # Default: 5
  water-ambient: 10    # Default: 20
  water-underground-creature: 3  # Default: 5
  axolotls: 3          # Default: 5
  ambient: 1           # Default: 15

ticks-per:
  animal-spawns: 400   # Default: 400
  monster-spawns: 4    # Default: 1 — raise it to save CPU

# paper-world-defaults.yml (Paper 1.19+)
chunks:
  max-auto-save-chunks-per-tick: 8
  auto-save-interval: 6000     # every 5 minutes
  delay-chunk-unloads-by: 10s  # chunk unload delay
  prevent-moving-into-unloaded-chunks: true
  entity-per-chunk-save-limit:
    arrow: 16
    ender_pearl: 8
    experience_orb: 16
    fireball: 8
    snowball: 8
    small_fireball: 8

# plugins/Multiverse-NetherPortals/config.yml
worlds:
  survival:
    nether: survival_nether
    end: survival_the_end
  creative:
    nether: creative_nether
    end: creative_the_end

#!/bin/bash
# end-reset.sh — End world reset script
SERVER_DIR="/opt/minecraft"
SCREEN_NAME="minecraft"

# Warn the players
screen -S $SCREEN_NAME -p 0 -X stuff "say §c[!] The End world will be reset in 5 minutes!$(printf '\r')"
sleep 300

# Teleport players in the End back to spawn
screen -S $SCREEN_NAME -p 0 -X stuff "mv tp survival world_the_end$(printf '\r')"
sleep 5

# Unload and delete the world
screen -S $SCREEN_NAME -p 0 -X stuff "mv unload world_the_end$(printf '\r')"
sleep 3
screen -S $SCREEN_NAME -p 0 -X stuff "mv delete world_the_end$(printf '\r')"
screen -S $SCREEN_NAME -p 0 -X stuff "mv confirm$(printf '\r')"
sleep 5

# Recreate it
screen -S $SCREEN_NAME -p 0 -X stuff "mv create world_the_end THE_END$(printf '\r')"
sleep 10

screen -S $SCREEN_NAME -p 0 -X stuff "say §aThe End world has been reset! Happy exploring.$(printf '\r')"