diff --git a/src/homework/10-monitoring/10.3/img/grafana_discord_test_alert.png b/src/homework/10-monitoring/10.3/img/grafana_discord_test_alert.png
new file mode 100644
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diff --git a/src/homework/10-monitoring/10.3/img/grafana_node_exporter_dashboard.png b/src/homework/10-monitoring/10.3/img/grafana_node_exporter_dashboard.png
new file mode 100644
index 0000000..280fc48
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diff --git a/src/homework/10-monitoring/10.3/img/grafana_node_exporter_dashboard_alerts.png b/src/homework/10-monitoring/10.3/img/grafana_node_exporter_dashboard_alerts.png
new file mode 100644
index 0000000..d03f943
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diff --git a/src/homework/10-monitoring/10.3/readme.md b/src/homework/10-monitoring/10.3/readme.md
index f94af95..28dc7df 100644
--- a/src/homework/10-monitoring/10.3/readme.md
+++ b/src/homework/10-monitoring/10.3/readme.md
@@ -55,8 +55,41 @@ avg(node_load15{})
 
 - Количество свободной оперативной памяти
 
-// todo
+```text
+node_memory_MemTotal_bytes - node_memory_Active_bytes
+```
 
 - Количество места на файловой системе
 
-// todo
+```text
+node_filesystem_avail_bytes{mountpoint="/"}
+```
+
+![grafana_node_exporter_dashboard](./img/grafana_node_exporter_dashboard.png)
+
+### Задание 3
+
+> Создайте для каждой Dashboard подходящее правило alert (можно обратиться к первой лекции в блоке "Мониторинг").
+> Дополнительно нужно завести удобный для вас канал нотификации, например Telegram или Email и отправить туда тестовые события.
+>
+> Для решения ДЗ - приведите скриншот вашей итоговой Dashboard и скриншоты тестовых событий из каналов нотификаций.
+
+Dashboard с настроенными alerts:
+
+![grafana_node_exporter_dashboard_alerts](./img/grafana_node_exporter_dashboard_alerts.png)
+
+Тестовая нотификация в `discord`:
+
+[grafana_discord_test_alert](./img/grafana_discord_test_alert.png)
+
+### Задание 4
+
+> Сохраните ваш Dashboard.
+> 
+> Для этого перейдите в настройки Dashboard, выберите в боковом меню "JSON MODEL".
+> 
+> Далее скопируйте отображаемое json-содержимое в отдельный файл и сохраните его.
+> 
+> В решении задания - приведите листинг этого файла.
+
+Файл с dashboard: [stack/grafana/dashboard_backup.json](./stack/grafana/dashboard_backup.json)
diff --git a/src/homework/10-monitoring/10.3/stack/docker-compose.yml b/src/homework/10-monitoring/10.3/stack/docker-compose.yml
index df212a2..f474eb8 100644
--- a/src/homework/10-monitoring/10.3/stack/docker-compose.yml
+++ b/src/homework/10-monitoring/10.3/stack/docker-compose.yml
@@ -32,7 +32,7 @@ services:
       - 9090
     depends_on:
       node-exporter:
-        condition: service_completed_successfully
+        condition: service_started
 
   grafana:
     image: grafana/grafana:9.1.7
diff --git a/src/homework/10-monitoring/10.3/stack/grafana/dashboard_backup.json b/src/homework/10-monitoring/10.3/stack/grafana/dashboard_backup.json
index 407e8d3..7b9ed54 100644
--- a/src/homework/10-monitoring/10.3/stack/grafana/dashboard_backup.json
+++ b/src/homework/10-monitoring/10.3/stack/grafana/dashboard_backup.json
@@ -162,6 +162,101 @@
       "title": "CPU Load Average",
       "type": "gauge"
     },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "PBFA97CFB590B2093"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 10,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "smooth",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "dashed"
+            }
+          },
+          "displayName": "mem available",
+          "mappings": [],
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 1073741824
+              }
+            ]
+          },
+          "unit": "decbytes"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 11,
+        "x": 13,
+        "y": 0
+      },
+      "id": 6,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": false
+        },
+        "tooltip": {
+          "mode": "multi",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "PBFA97CFB590B2093"
+          },
+          "editorMode": "code",
+          "expr": "node_memory_MemTotal_bytes - node_memory_Active_bytes",
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Свободная оперативная память",
+      "type": "timeseries"
+    },
     {
       "datasource": {
         "type": "prometheus",
@@ -276,6 +371,101 @@
       ],
       "title": "Нагрузка на node",
       "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "PBFA97CFB590B2093"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "dashed"
+            }
+          },
+          "displayName": "fs available",
+          "mappings": [],
+          "min": 0,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 10737418240
+              }
+            ]
+          },
+          "unit": "decbytes"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 9,
+        "w": 11,
+        "x": 13,
+        "y": 8
+      },
+      "id": 8,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "multi",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "PBFA97CFB590B2093"
+          },
+          "editorMode": "code",
+          "expr": "node_filesystem_avail_bytes{mountpoint=\"/\"}",
+          "legendFormat": "__auto",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Свободное место на диске",
+      "type": "timeseries"
     }
   ],
   "refresh": false,
@@ -293,6 +483,6 @@
   "timezone": "",
   "title": "node-exporter",
   "uid": "NwsNrL44z",
-  "version": 1,
+  "version": 4,
   "weekStart": ""
 }