Mykhailo Ivanchenko
cd694a67b6
Drops the standalone fileserver systemd unit from setup-server.sh in favor of Gitea's already-public raw-file serving. Adds VR (Vivecraft) and quest (FTB Quests) mod docs, the DH/Chunky server-side crash warning, and documents the real deployment target (always-on homelab box, not a venue-local machine).
126 lines
4.9 KiB
Bash
Executable File
126 lines
4.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# One-time setup for the LAN party's dedicated box: installs a Forge 1.20.1
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# Minecraft server and wraps it in lazymc (auto-sleep when empty / auto-wake
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# on connect), as a systemd service so it runs unattended for the 3 days.
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#
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# File distribution (install.sh/install.ps1/modpack.zip) is NOT handled by
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# this script — see HOSTING.md, it's served from Gitea instead.
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#
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# Target: a Linux machine (Debian/Ubuntu/etc with systemd) at the venue.
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# Run as a normal user with sudo rights: ./setup-server.sh
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set -euo pipefail
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# ---- EDIT ME ----
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FORGE_MC_VERSION="1.20.1"
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FORGE_BUILD="47.4.28" # current recommended build for 1.20.1 — check files.minecraftforge.net if this is stale
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MC_PUBLIC_PORT=25565 # what players connect to (lazymc listens here)
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MC_INTERNAL_PORT=25566 # real server listens here, lazymc proxies to it
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SLEEP_AFTER="5m" # idle time before lazymc stops the real server
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MIN_RAM="2G"
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MAX_RAM="6G" # 5-8 players; see ../HOSTING.md sizing table — bump to 8G (9-12p) or 10-12G (13-15p)
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# ------------------
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BASE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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SERVER_DIR="$BASE_DIR/mcserver"
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FORGE_VERSION="${FORGE_MC_VERSION}-${FORGE_BUILD}"
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command -v java >/dev/null || { echo "Java not found. Install a Java 17+ JDK (e.g. 'sudo apt install -y openjdk-17-jre-headless') then re-run."; exit 1; }
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mkdir -p "$SERVER_DIR"
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# ---- 1. Install the Forge server ----
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if [[ ! -f "$SERVER_DIR/run.sh" ]]; then
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echo "==> Downloading Forge $FORGE_VERSION installer"
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installer_url="https://maven.minecraftforge.net/net/minecraftforge/forge/${FORGE_VERSION}/forge-${FORGE_VERSION}-installer.jar"
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curl -fsSL -o "$SERVER_DIR/forge-installer.jar" "$installer_url"
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read -rp "Do you accept the Minecraft EULA (https://aka.ms/MinecraftEULA)? [y/N] " eula_ans
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[[ "$eula_ans" =~ ^[Yy]$ ]] || { echo "EULA not accepted, aborting."; exit 1; }
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echo "==> Running Forge server installer"
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(cd "$SERVER_DIR" && java -jar forge-installer.jar --installServer)
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echo "eula=true" > "$SERVER_DIR/eula.txt"
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else
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echo "==> Forge server already installed, skipping"
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fi
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# server.properties: lazymc will rewrite host/port/rcon itself, we just set gameplay-relevant bits
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touch "$SERVER_DIR/server.properties"
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for kv in "online-mode=false" "motd=LAN Party - Create & Delight" "difficulty=normal" "max-players=20"; do
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key="${kv%%=*}"
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if grep -q "^${key}=" "$SERVER_DIR/server.properties" 2>/dev/null; then
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sed -i "s/^${key}=.*/${kv}/" "$SERVER_DIR/server.properties"
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else
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echo "$kv" >> "$SERVER_DIR/server.properties"
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fi
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done
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mkdir -p "$SERVER_DIR/mods"
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echo "==> NOTE: copy the same mod jars from your client modpack's mods/ folder into $SERVER_DIR/mods/ (Create, Flywheel, Farmer's Delight + addons, JEI, etc.) before first boot."
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# ---- 2. Install lazymc ----
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if [[ ! -x "$BASE_DIR/lazymc" ]]; then
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echo "==> Downloading latest lazymc"
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api_url="https://api.github.com/repos/timvisee/lazymc/releases/latest"
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release_json="$(curl -fsSL "$api_url")"
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asset_url="$(echo "$release_json" | grep -oE '"browser_download_url": *"[^"]+linux-x64"' | cut -d'"' -f4 | head -n1)"
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[[ -n "$asset_url" ]] || { echo "Could not find linux-x64 lazymc asset" >&2; exit 1; }
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curl -fsSL -o "$BASE_DIR/lazymc" "$asset_url"
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chmod +x "$BASE_DIR/lazymc"
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else
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echo "==> lazymc already present, skipping"
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fi
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cat > "$BASE_DIR/lazymc.toml" <<EOF
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[server]
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directory = "$SERVER_DIR"
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command = "bash run.sh nogui -Xms${MIN_RAM} -Xmx${MAX_RAM}"
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address = "127.0.0.1:${MC_INTERNAL_PORT}"
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freeze_process = false
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wake_whitelist = false
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[public]
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address = "0.0.0.0:${MC_PUBLIC_PORT}"
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[time]
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sleep_after = "${SLEEP_AFTER}"
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minimum_online_time = "1m"
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[motd]
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sleeping = "☀ Server is asleep, join to wake it up"
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starting = "⏳ Server is starting, hang tight..."
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[rcon]
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enabled = true
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port = 25575
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EOF
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echo "==> Wrote lazymc.toml (sleeps after ${SLEEP_AFTER} empty, public port ${MC_PUBLIC_PORT} -> internal ${MC_INTERNAL_PORT})"
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# ---- 3. systemd services ----
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sudo tee /etc/systemd/system/mc-lazymc.service >/dev/null <<EOF
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[Unit]
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Description=LAN party Minecraft server (via lazymc)
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After=network.target
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[Service]
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Type=simple
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WorkingDirectory=${BASE_DIR}
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ExecStart=${BASE_DIR}/lazymc
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Restart=on-failure
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User=${USER}
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[Install]
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WantedBy=multi-user.target
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EOF
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sudo systemctl daemon-reload
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sudo systemctl enable --now mc-lazymc.service
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echo "==> Done."
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echo " - Minecraft server: public port ${MC_PUBLIC_PORT}, sleeps after ${SLEEP_AFTER} idle, wakes on connect."
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echo " - Install scripts + modpack.zip are served from Gitea, not this box — see ../HOSTING.md."
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echo " - Copy your client mod jars into ${SERVER_DIR}/mods/ if you haven't yet, then: sudo systemctl restart mc-lazymc"
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if command -v ufw >/dev/null && sudo ufw status | grep -q "Status: active"; then
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echo "==> ufw is active — opening ${MC_PUBLIC_PORT}/tcp"
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sudo ufw allow "${MC_PUBLIC_PORT}/tcp"
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fi
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