Grafana dashboard: Node exporter stats
Description: Dashboard to get an overview of one server

Based on https://grafana.net/dashboards/704.
Support CPU, memory, disk I/O, network I/O, network connections, etc

{
  "__inputs": [
    {
      "name": "DS_OAM-PROMETHEUS",
      "label": "oam-prometheus",
      "description": "your prometheus here",
      "type": "datasource",
      "pluginId": "prometheus",
      "pluginName": "Prometheus"
    }
  ],
  "__requires": [
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      "type": "grafana",
      "id": "grafana",
      "name": "Grafana",
      "version": "4.1.1"
    },
    {
      "type": "panel",
      "id": "graph",
      "name": "Graph",
      "version": ""
    },
    {
      "type": "datasource",
      "id": "prometheus",
      "name": "Prometheus",
      "version": "1.0.0"
    },
    {
      "type": "panel",
      "id": "singlestat",
      "name": "Singlestat",
      "version": ""
    },
    {
      "type": "panel",
      "id": "table",
      "name": "Table",
      "version": ""
    }
  ],
  "annotations": {
    "list": []
  },
  "description": "Dashboard to get an overview of one server",
  "editable": true,
  "gnetId": 1523,
  "graphTooltip": 0,
  "hideControls": false,
  "id": null,
  "links": [],
  "refresh": "5s",
  "rows": [
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      "collapse": false,
      "height": 95,
      "panels": [
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          "colors": [
            "rgba(245, 54, 54, 0.9)",
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          ],
          "datasource": "${DS_OAM-PROMETHEUS}",
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          "error": false,
          "format": "none",
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            "minValue": 0,
            "show": false,
            "thresholdLabels": false,
            "thresholdMarkers": true
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          "id": 12,
          "interval": null,
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          "mappingType": 1,
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          "postfixFontSize": "50%",
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          "prefixFontSize": "50%",
          "rangeMaps": [
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          "span": 1,
          "sparkline": {
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            "full": false,
            "lineColor": "rgb(31, 120, 193)",
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          },
          "targets": [
            {
              "expr": "count(count by(cpu)(node_cpu{instance=~\"$server\"}))",
              "intervalFactor": 2,
              "refId": "A",
              "step": 600
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          ],
          "thresholds": "",
          "title": "Cores",
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          "datasource": "${DS_OAM-PROMETHEUS}",
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          "postfixFontSize": "50%",
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          "span": 2,
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            "full": false,
            "lineColor": "rgb(31, 120, 193)",
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          },
          "targets": [
            {
              "expr": "sum(node_filesystem_size{instance=~\"$server\", device=~\"/dev/.*\"})",
              "intervalFactor": 1,
              "refId": "A",
              "step": 300
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          ],
          "thresholds": "",
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            {
              "op": "=",
              "text": "N/A",
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          "datasource": "${DS_OAM-PROMETHEUS}",
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          "error": false,
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            {
              "expr": "node_memory_MemTotal{instance=~\"$server\"}",
              "intervalFactor": 1,
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              "step": 300
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          "thresholds": "",
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          "datasource": "${DS_OAM-PROMETHEUS}",
          "editable": true,
          "error": false,
          "format": "percentunit",
          "gauge": {
            "maxValue": 100,
            "minValue": 0,
            "show": false,
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          },
          "id": 11,
          "interval": null,
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          "mappingTypes": [
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          "postfixFontSize": "50%",
          "prefix": "",
          "prefixFontSize": "50%",
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            "full": false,
            "lineColor": "rgb(31, 120, 193)",
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          },
          "targets": [
            {
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              "intervalFactor": 2,
              "legendFormat": "",
              "refId": "A",
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          ],
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          "title": "Load",
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          "valueMaps": [
            {
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          "datasource": "${DS_OAM-PROMETHEUS}",
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          },
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            {
              "expr": "time() - node_boot_time{instance=~\"$server\"}",
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          ],
          "thresholds": "",
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          "datasource": "${DS_OAM-PROMETHEUS}",
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            {
              "expr": "sum(irate(node_exporter_scrape_duration_seconds_sum{instance=~\"$server\"}[5m]))",
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              "refId": "A",
              "step": 600
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          ],
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      "height": 233,
      "panels": [
        {
          "alerting": {},
          "aliasColors": {},
          "bars": false,
          "datasource": "${DS_OAM-PROMETHEUS}",
          "editable": true,
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          "fill": 1,
          "grid": {},
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              "zindex": 3
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          ],
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          "stack": true,
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              "target": ""
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              "legendFormat": "Free",
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          "timeShift": null,
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          "tooltip": {
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            "values": []
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              "format": "short",
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          ]
        },
        {
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          "datasource": "${DS_OAM-PROMETHEUS}",
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          "grid": {},
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          "lines": true,
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          "points": false,
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            {
              "alias": "Swap Out",
              "transform": "negative-Y"
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          "span": 3,
          "stack": false,
          "steppedLine": false,
          "targets": [
            {
              "expr": "node_vmstat_pswpin{instance=~\"$server\"}",
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            {
              "expr": "node_vmstat_pswpout{instance=~\"$server\"}",
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          ],
          "thresholds": [],
          "timeFrom": null,
          "timeShift": null,
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            "value_type": "cumulative"
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            "values": []
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          "thresholds": "10, 20",
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            {
              "expr": "min(node_filesystem_free{fstype=~\"xfs|ext4\",instance=~\"$server\"} / node_filesystem_size{fstype=~\"xfs|ext4\",instance=~\"$server\"})",
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          "valueMaps": [
            {
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      "repeatIteration": null,
      "repeatRowId": null,
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      "title": "Memory",
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      "panels": [
        {
          "alerting": {},
          "aliasColors": {
            "AVG": "#DEDAF7"
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          "datasource": "${DS_OAM-PROMETHEUS}",
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