Verificación del uso de recursos de VPS cada 15 minutos

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      "position": [
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      "parameters": {
        "text": "=System resources are above the threshold.\n\nCPU: {{ $json.CPU.toNumber().round(2) }}%\nRAM: {{ $json.RAM.toNumber().round(2) }}%\nDisk: {{ $json.Disk.toNumber().round(2) }}%",
        "options": {},
        "subject": "System Resource Alert",
        "toEmail": "change@me.com",
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      "name": "Verificar uso de RAM",
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      "parameters": {
        "command": "free | awk '/Mem:/ {printf \"%.2f\", (1 - $7/$2) * 100}'"
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      "credentials": {
        "sshPassword": {
          "id": "VMCCUQkaq46q3CpB",
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    {
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      "parameters": {
        "command": "df -h | awk '$NF==\"/\"{printf \"%.2f\", $5}'"
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      "name": "Verificar uso de CPU",
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      "parameters": {
        "command": "top -bn 1 | grep \"Cpu(s)\" | sed \"s/.*, *\\([0-9.]*\\)%* id.*/\\1/\" | awk '{print 100 - $1}'"
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      "name": "Combinar resultados de verificación",
      "type": "n8n-nodes-base.merge",
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      "parameters": {
        "mode": "combineBySql",
        "query": "SELECT input1.stdout as CPU, input2.stdout as Disk, input3.stdout as RAM FROM input1 LEFT JOIN input2 ON input1.name = input2.id LEFT JOIN input3 ON input1.name = input3.id",
        "numberInputs": 3
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      "parameters": {
        "conditions": {
          "number": [
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              "value1": "={{ $json.CPU }}",
              "value2": 80,
              "operation": "largerEqual"
            },
            {
              "value1": "={{ $json.Disk }}",
              "value2": 80,
              "operation": "largerEqual"
            },
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              "operation": "largerEqual"
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      ],
      "parameters": {
        "width": 320,
        "height": 280,
        "content": "## Update email addresses\nUpdate From and To email addresses in this node to receive notifications"
      },
      "typeVersion": 1
    },
    {
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      "position": [
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      ],
      "parameters": {
        "width": 320,
        "height": 260,
        "content": "## Check VPS resource usage every 15 minutes\nThis workflow checks VPS CPU, RAM and Disk usage every 15 minutes and if any of it exceeds 80% will inform you by email"
      },
      "typeVersion": 1
    },
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      ],
      "parameters": {
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        "height": 280,
        "content": "## Update threshold\nIf needed, you can increase/decrease the 80% threshold in this node individually per resource "
      },
      "typeVersion": 1
    },
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      "name": "Activador programado",
      "type": "n8n-nodes-base.scheduleTrigger",
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      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes",
              "minutesInterval": 15
            }
          ]
        }
      },
      "typeVersion": 1.2
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