Grafana dashboard: Server Status
Description: PROMETHEUS DASHBOARD
Include : 
http 200; 300; 400; 500
cpu usage and overall cpu utilization filter (clik + ctrl for multiple select)
load average
disk write/read
network in/out
host choice
interval choice
flat color !
and some informations in the top left corner of certain graph

# PROMETHEUS DASHBOARD

## Include : 

- http 200; 300; 400; 500
- cpu usage and overall cpu utilization filter (clik + ctrl for multiple select)
- load average
- disk write/read
- network in/out
- host choice
- interval choice
- flat color !
- and some informations in the top left corner of certain graph
---
## install promotheus

**[change the version](https://prometheus.io/download/)**

```
sudo useradd --no-create-home --shell /bin/false prometheus
sudo mkdir /etc/prometheus
sudo mkdir /var/lib/prometheus
sudo chown prometheus:prometheus /etc/prometheus
sudo chown prometheus:prometheus /var/lib/prometheus

cd ~
curl -LO https://github.com/prometheus/prometheus/releases/download/v2.0.0/prometheus-2.0.0.linux-amd64.tar.gz
tar xvf prometheus-2.0.0.linux-amd64.tar.gz
sudo cp prometheus-2.0.0.linux-amd64/prometheus /usr/local/bin/
sudo cp prometheus-2.0.0.linux-amd64/promtool /usr/local/bin/
sudo chown prometheus:prometheus /usr/local/bin/prometheus
sudo chown prometheus:prometheus /usr/local/bin/promtool
sudo cp -r prometheus-2.0.0.linux-amd64/consoles /etc/prometheus
sudo cp -r prometheus-2.0.0.linux-amd64/console_libraries /etc/prometheus
sudo chown -R prometheus:prometheus /etc/prometheus/consoles
sudo chown -R prometheus:prometheus /etc/prometheus/console_libraries
rm -rf prometheus-2.0.0.linux-amd64.tar.gz prometheus-2.0.0.linux-amd64

sudo touch /etc/prometheus/prometheus.yml 
sudo chown prometheus:prometheus /etc/prometheus/prometheus.yml

sudo bash -c 'cat << EOF > /etc/systemd/system/prometheus.service
[Unit]
Description=Prometheus
Wants=network-online.target
After=network-online.target

[Service]
User=prometheus
Group=prometheus
Type=simple
ExecStart=/usr/local/bin/prometheus \
    --config.file /etc/prometheus/prometheus.yml \
    --storage.tsdb.path /var/lib/prometheus/ \
    --web.console.templates=/etc/prometheus/consoles \
    --web.console.libraries=/etc/prometheus/console_libraries

[Install]
WantedBy=multi-user.target
EOF'
```

---
## install Prometheus node Exporter

**[change the version](https://prometheus.io/download/)**

```
sudo useradd --no-create-home --shell /bin/false node_exporter

cd ~
curl -LO https://github.com/prometheus/node_exporter/releases/download/v0.15.1/node_exporter-0.15.1.linux-amd64.tar.gz
tar xvf node_exporter-0.15.1.linux-amd64.tar.gz
sudo cp node_exporter-0.15.1.linux-amd64/node_exporter /usr/local/bin
sudo chown node_exporter:node_exporter /usr/local/bin/node_exporter
rm -rf node_exporter-0.15.1.linux-amd64.tar.gz node_exporter-0.15.1.linux-amd64

sudo bash -c 'cat << EOF > /etc/systemd/system/node_exporter.service
[Unit]
Description=Node Exporter
Wants=network-online.target
After=network-online.target

[Service]
User=node_exporter
Group=node_exporter
Type=simple
ExecStart=/usr/local/bin/node_exporter

[Install]
WantedBy=multi-user.target
EOF'
```

---
## Configurations Prometheus + Prometheus node Exporter

```
sudo bash -c 'cat << EOF > /etc/prometheus/prometheus.yml
global:
  scrape_interval: 15s

scrape_configs:
  - job_name: 'prometheus'
    scrape_interval: 5s
    static_configs:
      - targets: ['localhost:9090']
  - job_name: 'node_exporter'
    scrape_interval: 5s
    static_configs:
      - targets: ['localhost:9100']  
EOF'
```

---
## Run Prometheus + Prometheus node Exporter

```
sudo systemctl daemon-reload
sudo systemctl start prometheus
sudo systemctl start node_exporter
```

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    {
      "name": "DS__PROMETHEUS_",
      "label": "_Prometheus_",
      "description": "basic api Prometheus + Prometheus node Exporter",
      "type": "datasource",
      "pluginId": "prometheus",
      "pluginName": "Prometheus"
    }
  ],
  "__requires": [
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      "version": "6.0.1"
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  "annotations": {
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      {
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "type": "dashboard"
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          "expr": "http_requests_total{code=\"200\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "refId": "A"
        }
      ],
      "thresholds": "",
      "timeFrom": null,
      "timeShift": null,
      "title": "TOTAL OF HTTP 200",
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
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      ],
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      "cacheTimeout": null,
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      "colors": [
        "#299c46",
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      ],
      "datasource": "${DS__PROMETHEUS_}",
      "description": "4xx Client Error",
      "format": "none",
      "gauge": {
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        "thresholdLabels": false,
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      "postfix": "",
      "postfixFontSize": "50%",
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      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
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      },
      "tableColumn": "",
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        {
          "expr": "http_requests_total{code=\"400\"}",
          "format": "time_series",
          "hide": false,
          "intervalFactor": 1,
          "refId": "A"
        }
      ],
      "thresholds": "",
      "timeFrom": null,
      "timeShift": null,
      "title": "TOTAL OF HTTP 400",
      "type": "singlestat",
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      "valueMaps": [
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      "colorBackground": false,
      "colorValue": true,
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      "postfixFontSize": "50%",
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      "prefixFontSize": "50%",
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        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": true
      },
      "tableColumn": "",
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        {
          "expr": "clamp_max(sum by () (avg by (mode) ( (clamp_max(rate(node_cpu{instance=\"$host\",mode!=\"idle\",mode!=\"iowait\"}[$interval]),1)) or (clamp_max(irate(node_cpu{instance=\"$host\",cpu=\"$cpu\",mode!=\"idle\",mode!=\"iowait\"}[5m]),1)) )) *100,100)",
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          "interval": "$interval",
          "intervalFactor": 1,
          "refId": "A"
        }
      ],
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    },
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      "aliasColors": {
        "load 1m": "#2980b9"
      },
      "bars": true,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS__PROMETHEUS_}",
      "description": "On Linux at least, the load average and CPU utilization are actually two different things. Load average is a measurement of how many tasks are waiting in a kernel run queue (not just CPU time but also disk activity) over a period of time.",
      "fill": 1,
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          "expr": "node_load1",
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      ],
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      ],
      "datasource": "${DS__PROMETHEUS_}",
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        "minValue": 0,
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        "thresholdLabels": false,
        "thresholdMarkers": true
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      "prefixFontSize": "50%",
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      ],
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        "full": false,
        "lineColor": "rgb(31, 120, 193)",
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      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "http_requests_total{code=\"300\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "refId": "A"
        }
      ],
      "thresholds": "",
      "timeFrom": null,
      "timeShift": null,
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      "colorValue": false,
      "colors": [
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        "rgba(237, 129, 40, 0.89)",
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      ],
      "datasource": "${DS__PROMETHEUS_}",
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        "minValue": 0,
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        "thresholdLabels": false,
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        "thresholdLabels": false,
        "thresholdMarkers": true
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      },
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        {
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          "interval": "$interval",
          "intervalFactor": 1,
          "refId": "A"
        }
      ],
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      "title": "All Cores - user",
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    },
    {
      "aliasColors": {
        "Mem Buffer + cache": "#e67e22",
        "Mem Free": "#2ecc71",
        "Mem Use": "#e74c3c"
      },
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      "cacheTimeout": null,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS__PROMETHEUS_}",
      "decimals": null,
      "description": "Mem cache is oversized ? Run : \n```\nsync; echo 3 > /proc/sys/vm/drop_caches\n```",
      "fill": 5,
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 0,
        "y": 4
      },
      "hideTimeOverride": false,
      "id": 2,
      "interval": "",
      "legend": {
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        "max": false,
        "min": false,
        "rightSide": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 3,
      "links": [],
      "nullPointMode": "null as zero",
      "paceLength": 10,
      "percentage": true,
      "pointradius": 1,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "stack": true,
      "steppedLine": false,
      "targets": [
        {
          "expr": "((node_memory_MemTotal - node_memory_Buffers - node_memory_MemFree - node_memory_Cached) / node_memory_MemTotal) * 100",
          "format": "time_series",
          "hide": false,
          "instant": false,
          "intervalFactor": 1,
          "legendFormat": "Mem Use",
          "refId": "A"
        },
        {
          "expr": "((node_memory_Buffers + node_memory_Cached) / node_memory_MemTotal) * 100",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Mem Buffer + cache",
          "refId": "C"
        },
        {
          "expr": "(node_memory_MemFree / node_memory_MemTotal) * 100",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Mem Free",
          "refId": "B"
        }
      ],
      "thresholds": [],
      "timeFrom": "30m",
      "timeRegions": [],
      "timeShift": null,
      "title": "RAM STATUT",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "transparent": true,
      "type": "graph",
      "xaxis": {
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        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "short",
          "label": "% of total",
          "logBase": 1,
          "max": "110",
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": false
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {
        "Max Core Utilization": "#e74c3c",
        "iowait": "#e67e22",
        "softirq": "#9b59b6",
        "steal": "#8e44ad",
        "system": "#3498db",
        "user": "#2ecc71"
      },
      "bars": false,
      "cacheTimeout": null,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS__PROMETHEUS_}",
      "decimals": null,
      "fill": 5,
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 12,
        "y": 4
      },
      "hideTimeOverride": false,
      "id": 15,
      "interval": "",
      "legend": {
        "alignAsTable": true,
        "avg": true,
        "current": false,
        "hideEmpty": true,
        "hideZero": true,
        "max": true,
        "min": true,
        "rightSide": false,
        "show": true,
        "sort": null,
        "sortDesc": null,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 3,
      "links": [],
      "nullPointMode": "null as zero",
      "paceLength": 10,
      "percentage": false,
      "pointradius": 1,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [
        {
          "alias": "Max Core Utilization",
          "lines": false,
          "pointradius": 1,
          "points": true,
          "stack": false
        }
      ],
      "stack": true,
      "steppedLine": false,
      "targets": [
        {
          "expr": "clamp_max(max by () (sum  by (cpu) ( (clamp_max(rate(node_cpu{instance=\"$host\",mode!=\"idle\",mode!=\"iowait\"}[$interval]),1)) or (clamp_max(irate(node_cpu{instance=\"$host\",mode!=\"idle\",mode!=\"iowait\"}[5m]),1)) )),1)",
          "format": "time_series",
          "hide": false,
          "interval": "$interval",
          "intervalFactor": 1,
          "legendFormat": "Max Core Utilization",
          "refId": "A"
        },
        {
          "expr": "clamp_max((avg by (mode) ( (clamp_max(rate(node_cpu{instance=\"$host\",mode!=\"idle\"}[$interval]),1)) or (clamp_max(irate(node_cpu{instance=\"$host\",mode!=\"idle\"}[5m]),1)) )),1)",
          "format": "time_series",
          "interval": "$interval",
          "intervalFactor": 1,
          "legendFormat": "{{mode}}",
          "refId": "G"
        }
      ],
      "thresholds": [],
      "timeFrom": "30m",
      "timeRegions": [],
      "timeShift": null,
      "title": "$host - OVERALL CPU UTILIZATION",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "transparent": true,
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "decimals": null,
          "format": "percentunit",
          "label": "% of total",
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": "0",
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {
        "Bytes Written": "#3498db"
      },
      "bars": false,
      "cacheTimeout": null,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS__PROMETHEUS_}",
      "fill": 5,
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 0,
        "y": 12
      },
      "id": 10,
      "legend": {
        "avg": false,
        "current": false,
        "hideEmpty": false,
        "hideZero": false,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 3,
      "links": [],
      "nullPointMode": "null",
      "paceLength": 10,
      "percentage": false,
      "pointradius": 2,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "node_disk_bytes_written",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Bytes Written",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "DISK WRITE",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "transparent": true,
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "bits",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "flops",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": false
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": 10000
      }
    },
    {
      "aliasColors": {
        "In: ens3": "#27ae60",
        "Out: ens3": "#c0392b"
      },
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS__PROMETHEUS_}",
      "decimals": 2,
      "fill": 3,
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 12,
        "y": 12
      },
      "id": 20,
      "legend": {
        "alignAsTable": true,
        "avg": true,
        "current": false,
        "max": true,
        "min": true,
        "rightSide": true,
        "show": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "connected",
      "paceLength": 10,
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "irate(node_network_transmit_bytes{device!=\"lo\"}[1m])",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Out: {{ device }}",
          "refId": "B"
        },
        {
          "expr": "irate(node_network_receive_bytes{device!=\"lo\"}[1m])",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "In: {{ device }}",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "NETWORK IN/OUT",
      "tooltip": {
        "shared": true,
        "sort": 2,
        "value_type": "individual"
      },
      "transparent": true,
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "Bps",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": false
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {
        "Bytes Read": "#2ecc71"
      },
      "bars": false,
      "cacheTimeout": null,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS__PROMETHEUS_}",
      "fill": 5,
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 0,
        "y": 20
      },
      "id": 9,
      "legend": {
        "avg": false,
        "current": false,
        "hideEmpty": false,
        "hideZero": false,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 3,
      "links": [],
      "nullPointMode": "null",
      "paceLength": 10,
      "percentage": false,
      "pointradius": 2,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "node_disk_bytes_read",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Bytes Read",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "DISK READ",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "transparent": true,
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "bits",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "flops",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": false
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": 10000
      }
    }
  ],
  "refresh": "5s",
  "schemaVersion": 18,
  "style": "dark",
  "tags": [],
  "templating": {
    "list": [
      {
        "auto": true,
        "auto_count": 200,
        "auto_min": "1s",
        "current": {
          "text": "1s",
          "value": "1s"
        },
        "hide": 0,
        "label": "Interval",
        "name": "interval",
        "options": [
          {
            "selected": false,
            "text": "auto",
            "value": "$__auto_interval_interval"
          },
          {
            "selected": true,
            "text": "1s",
            "value": "1s"
          },
          {
            "selected": false,
            "text": "5s",
            "value": "5s"
          },
          {
            "selected": false,
            "text": "1m",
            "value": "1m"
          },
          {
            "selected": false,
            "text": "5m",
            "value": "5m"
          },
          {
            "selected": false,
            "text": "1h",
            "value": "1h"
          },
          {
            "selected": false,
            "text": "6h",
            "value": "6h"
          },
          {
            "selected": false,
            "text": "1d",
            "value": "1d"
          }
        ],
        "query": "1s,5s,1m,5m,1h,6h,1d",
        "refresh": 2,
        "skipUrlSync": false,
        "type": "interval"
      },
      {
        "allValue": null,
        "current": {},
        "datasource": "${DS__PROMETHEUS_}",
        "definition": "label_values({__name__=~\"node_cpu\", job!=\"prometheus\"}, instance)",
        "hide": 0,
        "includeAll": false,
        "label": "Host",
        "multi": false,
        "name": "host",
        "options": [],
        "query": "label_values({__name__=~\"node_cpu\", job!=\"prometheus\"}, instance)",
        "refresh": 1,
        "regex": "",
        "skipUrlSync": false,
        "sort": 1,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      },
      {
        "allValue": null,
        "current": {},
        "datasource": "${DS__PROMETHEUS_}",
        "definition": "label_values(node_cpu{instance=\"$host\"}, cpu)",
        "hide": 2,
        "includeAll": false,
        "label": "CPU",
        "multi": false,
        "name": "cpu",
        "options": [],
        "query": "label_values(node_cpu{instance=\"$host\"}, cpu)",
        "refresh": 1,
        "regex": "",
        "skipUrlSync": false,
        "sort": 3,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      }
    ]
  },
  "time": {
    "from": "now-6h",
    "to": "now"
  },
  "timepicker": {
    "refresh_intervals": [
      "5s",
      "10s",
      "30s",
      "1m",
      "5m",
      "15m",
      "30m",
      "1h",
      "2h",
      "1d"
    ],
    "time_options": [
      "5m",
      "15m",
      "1h",
      "6h",
      "12h",
      "24h",
      "2d",
      "7d",
      "30d"
    ]
  },
  "timezone": "",
  "title": "Server Status",
  "uid": "NcqaXJCiz",
  "version": 35,
  "description": "PROMETHEUS DASHBOARD\nInclude : \nhttp 200; 300; 400; 500\ncpu usage and overall cpu utilization filter (clik + ctrl for multiple select)\nload average\ndisk write/read\nnetwork in/out\nhost choice\ninterval choice\nflat color !\nand some informations in the top left corner of certain graph"
}