Nexus Node Auto-Run Script with Swap Setup

Nexus

#!/bin/bash

### === CONFIGURATION ===
NODE_ID=7065410
LOG_FILE=nexus.log

### === 1. Enable 4G Swap (if missing) ===
if ! swapon --show | grep -q '/swapfile'; then
  echo "[*] Creating 4G swap file..."
  sudo fallocate -l 4G /swapfile
  sudo chmod 600 /swapfile
  sudo mkswap /swapfile
  sudo swapon /swapfile
  echo '/swapfile none swap sw 0 0' | sudo tee -a /etc/fstab
else
  echo "[*] Swap file already exists."
fi

### === 2. Auto-Run Nexus in a Restart Loop ===
echo "[*] Starting Nexus node with auto-restart..."
while true; do
  echo "[$(date)] Starting nexus-network..."
  nexus-network start --node-id $NODE_ID >> $LOG_FILE 2>&1
  echo "[$(date)] nexus-network crashed. Restarting in 10 seconds..." >> $LOG_FILE
  sleep 10
done