diff --git a/dashboard/ovpn-admin.json b/dashboard/ovpn-admin.json
deleted file mode 100644
index f7f83f7..0000000
--- a/dashboard/ovpn-admin.json
+++ /dev/null
@@ -1,974 +0,0 @@
-{
-  "annotations": {
-    "list": [
-      {
-        "builtIn": 1,
-        "datasource": {
-          "type": "datasource",
-          "uid": "grafana"
-        },
-        "enable": true,
-        "hide": true,
-        "iconColor": "rgba(0, 211, 255, 1)",
-        "name": "Annotations & Alerts",
-        "target": {
-          "limit": 100,
-          "matchAny": false,
-          "tags": [],
-          "type": "dashboard"
-        },
-        "type": "dashboard"
-      }
-    ]
-  },
-  "editable": true,
-  "fiscalYearStartMonth": 0,
-  "graphTooltip": 0,
-  "id": 54,
-  "links": [],
-  "liveNow": false,
-  "panels": [
-    {
-      "datasource": {
-        "type": "prometheus",
-        "uid": "$ds_prometheus"
-      },
-      "fieldConfig": {
-        "defaults": {
-          "decimals": 1,
-          "mappings": [],
-          "thresholds": {
-            "mode": "percentage",
-            "steps": [
-              {
-                "color": "green",
-                "value": null
-              },
-              {
-                "color": "red",
-                "value": 10
-              }
-            ]
-          },
-          "unit": "d"
-        },
-        "overrides": []
-      },
-      "gridPos": {
-        "h": 5,
-        "w": 7,
-        "x": 5,
-        "y": 0
-      },
-      "id": 2,
-      "options": {
-        "colorMode": "value",
-        "graphMode": "none",
-        "justifyMode": "center",
-        "orientation": "auto",
-        "reduceOptions": {
-          "calcs": [
-            "last"
-          ],
-          "fields": "",
-          "values": false
-        },
-        "textMode": "auto"
-      },
-      "pluginVersion": "8.5.2",
-      "targets": [
-        {
-          "expr": "ovpn_server_cert_expire",
-          "interval": "",
-          "legendFormat": "",
-          "refId": "A"
-        }
-      ],
-      "title": "Server cert valid time",
-      "type": "stat"
-    },
-    {
-      "datasource": {
-        "type": "prometheus",
-        "uid": "$ds_prometheus"
-      },
-      "fieldConfig": {
-        "defaults": {
-          "decimals": 1,
-          "mappings": [],
-          "thresholds": {
-            "mode": "percentage",
-            "steps": [
-              {
-                "color": "green",
-                "value": null
-              },
-              {
-                "color": "red",
-                "value": 10
-              }
-            ]
-          },
-          "unit": "d"
-        },
-        "overrides": []
-      },
-      "gridPos": {
-        "h": 5,
-        "w": 7,
-        "x": 12,
-        "y": 0
-      },
-      "id": 3,
-      "options": {
-        "colorMode": "value",
-        "graphMode": "none",
-        "justifyMode": "center",
-        "orientation": "auto",
-        "reduceOptions": {
-          "calcs": [
-            "last"
-          ],
-          "fields": "",
-          "values": false
-        },
-        "textMode": "auto"
-      },
-      "pluginVersion": "8.5.2",
-      "targets": [
-        {
-          "expr": "ovpn_server_ca_cert_expire",
-          "interval": "",
-          "legendFormat": "",
-          "refId": "A"
-        }
-      ],
-      "title": "Server CA cert valid time",
-      "type": "stat"
-    },
-    {
-      "datasource": {
-        "type": "prometheus",
-        "uid": "$ds_prometheus"
-      },
-      "fieldConfig": {
-        "defaults": {
-          "mappings": [],
-          "thresholds": {
-            "mode": "absolute",
-            "steps": [
-              {
-                "color": "green",
-                "value": null
-              },
-              {
-                "color": "semi-dark-orange",
-                "value": 200
-              }
-            ]
-          }
-        },
-        "overrides": []
-      },
-      "gridPos": {
-        "h": 5,
-        "w": 6,
-        "x": 0,
-        "y": 5
-      },
-      "id": 4,
-      "options": {
-        "colorMode": "value",
-        "graphMode": "none",
-        "justifyMode": "center",
-        "orientation": "auto",
-        "reduceOptions": {
-          "calcs": [
-            "last"
-          ],
-          "fields": "",
-          "values": false
-        },
-        "textMode": "auto"
-      },
-      "pluginVersion": "8.5.2",
-      "targets": [
-        {
-          "expr": "ovpn_clients_total",
-          "interval": "",
-          "legendFormat": "",
-          "refId": "A"
-        }
-      ],
-      "title": "Total clients",
-      "type": "stat"
-    },
-    {
-      "datasource": {
-        "type": "prometheus",
-        "uid": "$ds_prometheus"
-      },
-      "fieldConfig": {
-        "defaults": {
-          "mappings": [],
-          "thresholds": {
-            "mode": "absolute",
-            "steps": [
-              {
-                "color": "green",
-                "value": null
-              },
-              {
-                "color": "red",
-                "value": 80
-              }
-            ]
-          }
-        },
-        "overrides": []
-      },
-      "gridPos": {
-        "h": 5,
-        "w": 6,
-        "x": 6,
-        "y": 5
-      },
-      "id": 5,
-      "options": {
-        "colorMode": "value",
-        "graphMode": "none",
-        "justifyMode": "center",
-        "orientation": "auto",
-        "reduceOptions": {
-          "calcs": [
-            "last"
-          ],
-          "fields": "",
-          "values": false
-        },
-        "textMode": "auto"
-      },
-      "pluginVersion": "8.5.2",
-      "targets": [
-        {
-          "expr": "ovpn_clients_connected",
-          "interval": "",
-          "legendFormat": "",
-          "refId": "A"
-        }
-      ],
-      "title": "Connected clients",
-      "type": "stat"
-    },
-    {
-      "datasource": {
-        "type": "prometheus",
-        "uid": "$ds_prometheus"
-      },
-      "fieldConfig": {
-        "defaults": {
-          "mappings": [],
-          "thresholds": {
-            "mode": "absolute",
-            "steps": [
-              {
-                "color": "green",
-                "value": null
-              },
-              {
-                "color": "semi-dark-orange",
-                "value": 10
-              }
-            ]
-          }
-        },
-        "overrides": []
-      },
-      "gridPos": {
-        "h": 5,
-        "w": 6,
-        "x": 12,
-        "y": 5
-      },
-      "id": 7,
-      "options": {
-        "colorMode": "value",
-        "graphMode": "none",
-        "justifyMode": "center",
-        "orientation": "auto",
-        "reduceOptions": {
-          "calcs": [
-            "last"
-          ],
-          "fields": "",
-          "values": false
-        },
-        "textMode": "auto"
-      },
-      "pluginVersion": "8.5.13",
-      "targets": [
-        {
-          "expr": "ovpn_clients_expired",
-          "interval": "",
-          "legendFormat": "",
-          "refId": "A"
-        }
-      ],
-      "title": "Revoked clients",
-      "type": "stat"
-    },
-    {
-      "datasource": {
-        "type": "prometheus",
-        "uid": "$ds_prometheus"
-      },
-      "fieldConfig": {
-        "defaults": {
-          "mappings": [],
-          "thresholds": {
-            "mode": "absolute",
-            "steps": [
-              {
-                "color": "green",
-                "value": null
-              },
-              {
-                "color": "red",
-                "value": 1
-              }
-            ]
-          }
-        },
-        "overrides": []
-      },
-      "gridPos": {
-        "h": 5,
-        "w": 6,
-        "x": 18,
-        "y": 5
-      },
-      "id": 6,
-      "options": {
-        "colorMode": "value",
-        "graphMode": "none",
-        "justifyMode": "center",
-        "orientation": "auto",
-        "reduceOptions": {
-          "calcs": [
-            "last"
-          ],
-          "fields": "",
-          "values": false
-        },
-        "textMode": "auto"
-      },
-      "pluginVersion": "8.5.2",
-      "targets": [
-        {
-          "expr": "ovpn_clients_expired",
-          "interval": "",
-          "legendFormat": "",
-          "refId": "A"
-        }
-      ],
-      "title": "Expired clients",
-      "type": "stat"
-    },
-    {
-      "aliasColors": {},
-      "bars": false,
-      "dashLength": 10,
-      "dashes": false,
-      "datasource": {
-        "type": "prometheus",
-        "uid": "$ds_prometheus"
-      },
-      "fieldConfig": {
-        "defaults": {
-          "links": []
-        },
-        "overrides": []
-      },
-      "fill": 2,
-      "fillGradient": 0,
-      "gridPos": {
-        "h": 8,
-        "w": 12,
-        "x": 0,
-        "y": 10
-      },
-      "hiddenSeries": false,
-      "id": 9,
-      "legend": {
-        "avg": false,
-        "current": false,
-        "hideEmpty": true,
-        "max": false,
-        "min": false,
-        "show": false,
-        "total": false,
-        "values": false
-      },
-      "lines": true,
-      "linewidth": 1,
-      "nullPointMode": "null as zero",
-      "options": {
-        "alertThreshold": true
-      },
-      "percentage": false,
-      "pluginVersion": "8.5.2",
-      "pointradius": 2,
-      "points": false,
-      "renderer": "flot",
-      "seriesOverrides": [],
-      "spaceLength": 10,
-      "stack": false,
-      "steppedLine": false,
-      "targets": [
-        {
-          "expr": "ovpn_client_bytes_received",
-          "interval": "",
-          "legendFormat": "{{ client }}",
-          "refId": "A"
-        }
-      ],
-      "thresholds": [],
-      "timeRegions": [],
-      "title": "Сlient bytes received",
-      "tooltip": {
-        "shared": true,
-        "sort": 0,
-        "value_type": "individual"
-      },
-      "type": "graph",
-      "xaxis": {
-        "mode": "time",
-        "show": true,
-        "values": []
-      },
-      "yaxes": [
-        {
-          "format": "decbytes",
-          "logBase": 1,
-          "show": true
-        },
-        {
-          "format": "short",
-          "logBase": 1,
-          "show": false
-        }
-      ],
-      "yaxis": {
-        "align": false
-      }
-    },
-    {
-      "aliasColors": {},
-      "bars": false,
-      "dashLength": 10,
-      "dashes": false,
-      "datasource": {
-        "type": "prometheus",
-        "uid": "$ds_prometheus"
-      },
-      "fieldConfig": {
-        "defaults": {
-          "links": []
-        },
-        "overrides": []
-      },
-      "fill": 2,
-      "fillGradient": 0,
-      "gridPos": {
-        "h": 8,
-        "w": 12,
-        "x": 12,
-        "y": 10
-      },
-      "hiddenSeries": false,
-      "id": 10,
-      "legend": {
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-        "current": false,
-        "hideEmpty": true,
-        "max": false,
-        "min": false,
-        "show": false,
-        "total": false,
-        "values": false
-      },
-      "lines": true,
-      "linewidth": 1,
-      "nullPointMode": "null as zero",
-      "options": {
-        "alertThreshold": true
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-      "percentage": false,
-      "pluginVersion": "8.5.2",
-      "pointradius": 2,
-      "points": false,
-      "renderer": "flot",
-      "seriesOverrides": [],
-      "spaceLength": 10,
-      "stack": false,
-      "steppedLine": false,
-      "targets": [
-        {
-          "expr": "ovpn_client_bytes_sent",
-          "interval": "",
-          "legendFormat": "{{ client }}",
-          "refId": "A"
-        }
-      ],
-      "thresholds": [],
-      "timeRegions": [],
-      "title": "Сlient bytes sent",
-      "tooltip": {
-        "shared": true,
-        "sort": 0,
-        "value_type": "individual"
-      },
-      "type": "graph",
-      "xaxis": {
-        "mode": "time",
-        "show": true,
-        "values": []
-      },
-      "yaxes": [
-        {
-          "format": "decbytes",
-          "logBase": 1,
-          "show": true
-        },
-        {
-          "format": "short",
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-          "show": false
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-      ],
-      "yaxis": {
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-      "dashLength": 10,
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-      "fillGradient": 0,
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-      "pointradius": 2,
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-      "spaceLength": 10,
-      "stack": false,
-      "steppedLine": false,
-      "targets": [
-        {
-          "expr": "rate(ovpn_client_bytes_received[1m])",
-          "interval": "",
-          "legendFormat": "{{ client }}",
-          "refId": "A"
-        }
-      ],
-      "thresholds": [],
-      "timeRegions": [],
-      "title": "Clients bytes received rate",
-      "tooltip": {
-        "shared": true,
-        "sort": 0,
-        "value_type": "individual"
-      },
-      "type": "graph",
-      "xaxis": {
-        "mode": "time",
-        "show": true,
-        "values": []
-      },
-      "yaxes": [
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-          "$$hashKey": "object:93",
-          "format": "Bps",
-          "logBase": 1,
-          "show": true
-        },
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-          "$$hashKey": "object:94",
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-      "seriesOverrides": [],
-      "spaceLength": 10,
-      "stack": false,
-      "steppedLine": false,
-      "targets": [
-        {
-          "expr": "rate(ovpn_client_bytes_sent[1m])",
-          "interval": "",
-          "legendFormat": "{{ client }}",
-          "refId": "A"
-        }
-      ],
-      "thresholds": [],
-      "timeRegions": [],
-      "title": "Client bytes sent rate ",
-      "tooltip": {
-        "shared": true,
-        "sort": 0,
-        "value_type": "individual"
-      },
-      "type": "graph",
-      "xaxis": {
-        "mode": "time",
-        "show": true,
-        "values": []
-      },
-      "yaxes": [
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-          "format": "Bps",
-          "logBase": 1,
-          "show": true
-        },
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-          "format": "short",
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-          "show": false
-        }
-      ],
-      "yaxis": {
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-      }
-    },
-    {
-      "datasource": {
-        "type": "prometheus",
-        "uid": "$ds_prometheus"
-      },
-      "description": "value show last connection check time",
-      "fieldConfig": {
-        "defaults": {
-          "custom": {
-            "align": "center",
-            "displayMode": "auto",
-            "width": 20
-          },
-          "mappings": [],
-          "noValue": "Currently there are no connections",
-          "thresholds": {
-            "mode": "absolute",
-            "steps": [
-              {
-                "color": "green"
-              }
-            ]
-          },
-          "unit": "dateTimeAsIso"
-        },
-        "overrides": []
-      },
-      "gridPos": {
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-        "w": 12,
-        "x": 0,
-        "y": 26
-      },
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-        "graphMode": "none",
-        "justifyMode": "auto",
-        "orientation": "horizontal",
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-          ],
-          "fields": "",
-          "values": false
-        }
-      },
-      "pluginVersion": "7.0.6",
-      "targets": [
-        {
-          "expr": "ovpn_client_connection_info * 1000",
-          "format": "time_series",
-          "interval": "",
-          "legendFormat": "{{ client }}-{{ip}}",
-          "refId": "A"
-        }
-      ],
-      "title": "Connection info",
-      "type": "stat"
-    },
-    {
-      "datasource": {
-        "type": "prometheus",
-        "uid": "$ds_prometheus"
-      },
-      "description": "value shows when connection was started",
-      "fieldConfig": {
-        "defaults": {
-          "custom": {
-            "align": "center",
-            "displayMode": "auto",
-            "width": 20
-          },
-          "mappings": [],
-          "noValue": "Currently there are no connections",
-          "thresholds": {
-            "mode": "absolute",
-            "steps": [
-              {
-                "color": "green"
-              }
-            ]
-          },
-          "unit": "dateTimeAsIso"
-        },
-        "overrides": []
-      },
-      "gridPos": {
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-        "w": 12,
-        "x": 12,
-        "y": 26
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-        "graphMode": "none",
-        "justifyMode": "auto",
-        "orientation": "horizontal",
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-          ],
-          "fields": "",
-          "values": false
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-      "pluginVersion": "7.0.6",
-      "targets": [
-        {
-          "expr": "ovpn_client_connection_from * 1000",
-          "format": "time_series",
-          "interval": "",
-          "legendFormat": "{{ client }}-{{ip}}",
-          "refId": "A"
-        }
-      ],
-      "title": "Connection from",
-      "type": "stat"
-    },
-    {
-      "datasource": {
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-        "uid": "$ds_prometheus"
-      },
-      "fieldConfig": {
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-          "mappings": [],
-          "min": 0,
-          "thresholds": {
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-            "steps": [
-              {
-                "color": "green"
-              },
-              {
-                "color": "red",
-                "value": 7
-              },
-              {
-                "color": "dark-orange",
-                "value": 14
-              },
-              {
-                "color": "#EAB839",
-                "value": 30
-              },
-              {
-                "color": "green",
-                "value": 31
-              }
-            ]
-          }
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-        "overrides": []
-      },
-      "gridPos": {
-        "h": 14,
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-        "x": 0,
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-      },
-      "id": 19,
-      "options": {
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-        "graphMode": "none",
-        "justifyMode": "center",
-        "orientation": "auto",
-        "reduceOptions": {
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-            "last"
-          ],
-          "fields": "",
-          "values": false
-        }
-      },
-      "pluginVersion": "7.0.6",
-      "targets": [
-        {
-          "expr": "ovpn_client_cert_expire ",
-          "format": "time_series",
-          "interval": "",
-          "legendFormat": "{{ client }}",
-          "refId": "A"
-        }
-      ],
-      "title": "Client cert valid days",
-      "type": "stat"
-    }
-  ],
-  "refresh": false,
-  "schemaVersion": 36,
-  "style": "dark",
-  "tags": [],
-  "templating": {
-    "list": [
-      {
-        "current": {
-          "selected": false,
-          "text": "default",
-          "value": "default"
-        },
-        "hide": 0,
-        "includeAll": false,
-        "multi": false,
-        "label": "Prometheus",
-        "name": "ds_prometheus",
-        "options": [],
-        "query": "prometheus",
-        "refresh": 1,
-        "regex": "",
-        "skipUrlSync": false,
-        "type": "datasource"
-      }
-    ]
-  },
-  "time": {
-    "from": "now-15m",
-    "to": "now"
-  },
-  "timepicker": {
-    "refresh_intervals": [
-      "10s",
-      "30s",
-      "1m",
-      "5m",
-      "15m",
-      "30m",
-      "1h",
-      "2h",
-      "1d"
-    ]
-  },
-  "timezone": "",
-  "title": "Ovpn-Admin",
-  "uid": "Z7qmFI0Gk",
-  "version": 1,
-  "weekStart": ""
-}
\ No newline at end of file
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