add start_server.sh and xorg confs; simplify README

Author: YaningDylan

vagen/envs/eb_alfred/README.md

@@ -23,65 +23,13 @@ mv EB-ALFRED /path/to/EmbodiedBench/embodiedbench/envs/eb_alfred/data/json_2.1.0
 
 ## Per-Boot Setup
 
-### 1. Start Xorg (GPU-accelerated, Xvfb will not work)
+### 1. Start Xorg + Server
 
 ```bash
-# Get GPU BusID (hex → decimal, e.g. 0x41 → 65)
-nvidia-smi --query-gpu=pci.bus_id --format=csv,noheader
-
-cat > /tmp/xorg0.conf << 'EOF'
-Section "Device"
-    Identifier  "GPU0"
-    Driver      "nvidia"
-    BusID       "PCI:65:0:0"
-    Option      "AllowEmptyInitialConfiguration" "True"
-EndSection
-Section "Monitor"
-    Identifier  "Monitor0"
-    HorizSync   28.0-80.0
-    VertRefresh 48.0-75.0
-    Modeline    "1920x1080" 172.80 1920 2040 2248 2576 1080 1081 1084 1118
-EndSection
-Section "Screen"
-    Identifier  "Screen0"
-    Device      "GPU0"
-    Monitor     "Monitor0"
-    DefaultDepth 24
-    SubSection  "Display"
-        Depth   24
-        Modes   "1920x1080"
-        Virtual 1920 1080
-    EndSubSection
-EndSection
-Section "ServerLayout"
-    Identifier "Layout0"
-    Screen 0 "Screen0"
-EndSection
-EOF
-
-# Single GPU
-Xorg -noreset +extension GLX -config /tmp/xorg0.conf :0 &
-
-# Dual GPU (repeat with second config for :1)
-Xorg -noreset +extension GLX -config /tmp/xorg1.conf :1 &
-
-# Verify
-grep "Virtual screen size" /var/log/Xorg.0.log
-```
-
-### 2. Start Server
-
-```bash
-python -m vagen.envs.eb_alfred.serve \
-    --port 8000 \
-    --capacity 90 \
-    --startup-concurrency 6 \
-    --x-displays 0,1
-
-curl http://localhost:8000/health
+bash vagen/envs/eb_alfred/start_server.sh
 ```
 
-### 3. SSH Tunnel (if training machine is remote)
+### 2. SSH Tunnel (if training machine is remote)
 
 ```bash
 # On env server

vagen/envs/eb_alfred/start_server.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+cp "$SCRIPT_DIR/xorg0.conf" /tmp/xorg0.conf
+cp "$SCRIPT_DIR/xorg1.conf" /tmp/xorg1.conf
+
+Xorg -noreset +extension GLX -config /tmp/xorg0.conf :0 &
+Xorg -noreset +extension GLX -config /tmp/xorg1.conf :1 &
+
+sleep 2
+
+python -m vagen.envs.eb_alfred.serve \
+    --port 8000 \
+    --capacity 90 \
+    --startup-concurrency 6 \
+    --x-displays 0,1

vagen/envs/eb_alfred/xorg0.conf

@@ -0,0 +1,27 @@
+Section "Device"
+    Identifier  "GPU0"
+    Driver      "nvidia"
+    BusID       "PCI:65:0:0"
+    Option      "AllowEmptyInitialConfiguration" "True"
+EndSection
+Section "Monitor"
+    Identifier  "Monitor0"
+    HorizSync   28.0-80.0
+    VertRefresh 48.0-75.0
+    Modeline    "1920x1080" 172.80 1920 2040 2248 2576 1080 1081 1084 1118
+EndSection
+Section "Screen"
+    Identifier  "Screen0"
+    Device      "GPU0"
+    Monitor     "Monitor0"
+    DefaultDepth 24
+    SubSection  "Display"
+        Depth   24
+        Modes   "1920x1080"
+        Virtual 1920 1080
+    EndSubSection
+EndSection
+Section "ServerLayout"
+    Identifier "Layout0"
+    Screen 0 "Screen0"
+EndSection

vagen/envs/eb_alfred/xorg1.conf

@@ -0,0 +1,27 @@
+Section "Device"
+    Identifier  "GPU1"
+    Driver      "nvidia"
+    BusID       "PCI:97:0:0"
+    Option      "AllowEmptyInitialConfiguration" "True"
+EndSection
+Section "Monitor"
+    Identifier  "Monitor1"
+    HorizSync   28.0-80.0
+    VertRefresh 48.0-75.0
+    Modeline    "1920x1080" 172.80 1920 2040 2248 2576 1080 1081 1084 1118
+EndSection
+Section "Screen"
+    Identifier  "Screen1"
+    Device      "GPU1"
+    Monitor     "Monitor1"
+    DefaultDepth 24
+    SubSection  "Display"
+        Depth   24
+        Modes   "1920x1080"
+        Virtual 1920 1080
+    EndSubSection
+EndSection
+Section "ServerLayout"
+    Identifier "Layout1"
+    Screen 0 "Screen1"
+EndSection