### Install Azure Monitor Go modules

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/logs/tutorial-logs-ingestion-code.md

Use go get to install the required Azure Monitor Ingestion Logs and Azure Identity client modules.

```bash
go get github.com/Azure/azure-sdk-for-go/sdk/monitor/ingestion/azlogs
go get github.com/Azure/azure-sdk-for-go/sdk/azidentity
```

--------------------------------

### Add a time filter to the query

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/logs/get-started-queries.md

Example of adding a time filter to a Kusto query.

```Kusto
SecurityEvent
| where TimeGenerated > ago(30m) 
| where toint(Level) >= 10
```

--------------------------------

### Navigate to the .NET 6 example directory

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/profiler/profiler-containers.md

Change directory to the .NET 6 example path.

```bash
cd examples/EnableServiceProfilerForContainerAppNet6
```

--------------------------------

### Table-based query example

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/logs/get-started-queries.md

Returns 10 results from the SecurityEvent table, in no specific order. This common way to get a glance at a table helps you to understand its structure and content.

```Kusto
SecurityEvent
| take 10
```

--------------------------------

### Initialize PerfInsights

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/vm/performance-diagnostics-run.md

Navigate to the installation directory and execute the tool to view available parameters.

```console
cd <the path of PerfInsights folder>
PerfInsights
```

--------------------------------

### Navigate to the container app example directory

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/profiler/profiler-containers.md

Change the working directory to the specific example folder for .NET 6 container apps.

```bash
cd ApplicationInsights-Profiler-AspNetCore

cd examples/EnableServiceProfilerForContainerAppNet6
```

--------------------------------

### Casting for numerical comparisons

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/logs/get-started-queries.md

Example showing how to cast a string column to a numerical type for comparisons.

```Kusto
SecurityEvent | where toint(Level) >= 10
```

--------------------------------

### Aggregate groups of rows using summarize

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/logs/get-started-queries.md

Example of using the 'summarize' operator with 'count' to aggregate rows.

```Kusto
Perf
| where TimeGenerated > ago(1h)
| summarize count() by ObjectName
```

--------------------------------

### Clone the sample project repository

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/profiler/profiler-containers.md

Use this command to clone the repository containing the container app examples.

```bash
git clone https://github.com/microsoft/ApplicationInsights-Profiler-AspNetCore.git
```

--------------------------------

### Example of creating AKS extension with full configuration

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/containers/kubernetes-monitoring-enable-arc.md

This example demonstrates a complete `az k8s-extension create` command with specific resource IDs for Azure Monitor and Grafana workspaces.

```azurecli
az k8s-extension create --name azuremonitor-metrics --cluster-name "my-cluster"--resource-group "my-resource-group" --cluster-type connectedClusters --extension-type Microsoft.AzureMonitor.Containers.Metrics --configuration-settings azure-monitor-workspace-resource-id "/subscriptions/aaaa0a0a-bb1b-cc2c-dd3d-eeeeee4e4e4e/resourceGroups/my-resource-group/providers/microsoft.monitor/accounts/my-workspace" grafana-resource-id="/subscriptions/aaaa0a0a-bb1b-cc2c-dd3d-eeeeee4e4e4e/resourceGroups/my-resource-group/providers/Microsoft.Dashboard/grafana/my-workspace"
```

--------------------------------

### Define and use custom fields with extend

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/logs/get-started-queries.md

Example of using the 'extend' operator to add a custom column.

```Kusto
SecurityEvent
| top 10 by TimeGenerated
| extend EventCode=substring(Activity, 0, 4)
```

--------------------------------

### Log count per log starting with Dicom100 error code and CorrelationId

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/reference/queries/ahdsdicomdiagnosticlogs.md

Get the count of logs starting with Dicom100 error emitted from Dicom service per CorrelationId. The result contains count by CorrelationId.

```kql
AHDSDicomDiagnosticLogs
| where Message startswith "DICOM100:"
| summarize Count = count() by CorrelationId

```

--------------------------------

### Example configuration error output

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/containers/container-insights-prometheus-logs.md

Sample output indicating an unsupported or missing configuration schema version.

```text
***************Start Config Processing******************** 
config::unsupported/missing config schema version - 'v21' , using defaults
```

--------------------------------

### Initialize PerfInsights on Linux

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/vm/performance-diagnostics-run.md

Navigate to the PerfInsights directory and execute the script to view available command-line parameters.

```bash
cd <the path of PerfInsights folder>
sudo python perfinsights.py
```

--------------------------------

### Where operator

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/logs/get-started-queries.md

Use the `where` operator to filter query results. This example returns only `SecurityEvent` records where `Level equals _8`.

```Kusto
SecurityEvent
| where Level == 8
```

--------------------------------

### Helm Release Output Example

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/containers/kubernetes-monitoring-disable.md

Example output showing the status of the azmon-containers-release-1 chart.

```text
NAME                            NAMESPACE       REVISION        UPDATED                                 STATUS          CHART                           APP VERSION
azmon-containers-release-1      default         3               2020-04-21 15:27:24.1201959 -0700 PDT   deployed        azuremonitor-containers-2.7.0   7.0.0-1
```

--------------------------------

### Include or exclude columns in query results using project

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/logs/get-started-queries.md

Example of using the 'project' operator to select specific columns.

```Kusto
SecurityEvent 
| top 10 by TimeGenerated 
| project TimeGenerated, Computer, Activity
```

--------------------------------

### Search query example

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/logs/get-started-queries.md

Searches the SecurityEvent table for records that contain the phrase "Cryptographic." Of those records, 10 records are returned and displayed.

```Kusto
search in (SecurityEvent) "Cryptographic"
| take 10
```

--------------------------------

### Configuration file example

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/app/java-standalone-config.md

This example shows what a configuration file looks like with multiple components. Configure specific options based on your needs.

```json
{
  "connectionString": "...",
  "role": {
    "name": "my cloud role name"
  },
  "sampling": {
    "percentage": 100
  },
  "jmxMetrics": [
  ],
  "customDimensions": {
  },
  "instrumentation": {
    "logging": {
      "level": "INFO"
    },
    "micrometer": {
      "enabled": true
    }
  },
  "proxy": {
  },
  "preview": {
    "processors": [
    ]
  },
  "selfDiagnostics": {
    "destination": "file+console",
    "level": "INFO",
    "file": {
      "path": "applicationinsights.log",
      "maxSizeMb": 5,
      "maxHistory": 1
    }
  }
}
```

--------------------------------

### Include or exclude columns in query results using project with renaming and new columns

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/logs/get-started-queries.md

Example of using 'project' to rename columns and define new ones.

```Kusto
SecurityEvent
| top 10 by TimeGenerated 
| project Computer, TimeGenerated, EventDetails=Activity, EventCode=substring(Activity, 0, 4)
```

--------------------------------

### Build and Run Docker Container

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/profiler/profiler-containers.md

Commands to build the Docker image and start the container instance.

```bash
docker build -t profilerapp .
```

```bash
docker run -d -p 8080:80 --name testapp profilerapp
```

--------------------------------

### Top operator

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/logs/get-started-queries.md

Use the `top` operator to sort the entire table on the server side and then return the top records. This example returns the latest 10 records.

```Kusto
SecurityEvent
| top 10 by TimeGenerated
```

--------------------------------

### Get Started with Application Insights JavaScript SDK

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/fundamentals/whats-new.md

A quick and easy method to get started with the Azure Monitor Application Insights JavaScript SDK.

```javascript
<script type="text/javascript">
  var appInsights = window.appInsights || function(config) {
    function r(diag) {
      d.push(diag);
    }
    var d = [],
      i = document.createElement('script'),
      s = document.getElementsByTagName('script')[0];
    i.src = config.url || '//az416426.azureedge.net/ai.2/applicationinsights.js';
    i.async = true;
    i.onreadystatechange = function() {
      if (this.readyState === 'loaded' || this.readyState === 'complete') {
        this.onreadystatechange = null;
        for (var i = 0; i < d.length; i++) {
          r(d[i]);
        }
      }
    };
    i.onload = function() {
      for (var i = 0; i < d.length; i++) {
        r(d[i]);
      }
    };
    s.parentNode.insertBefore(i, s);
    var n = function(name) {
        var specified = config.names || [];
        for (var i = 0; i < specified.length; i++) {
          if (specified[i].name === name) return specified[i].value;
        }
      },
      o = function(name, value) {
        if (config.ignoreDuplicateCustomProperties && config.ignoreDuplicateCustomProperties.value && config.ignoreDuplicateCustomProperties.value.indexOf(name) !== -1) {
          return;
        }
        r({
          type: 2,
          name: name,
          value: value
        });
      };
    var p = function(name) {
      r({
        type: 5,
        name: name
      });
    };
    var a = window.console;
    var c = config.logLevel || 0;
    var e = function(msg, level) {
      if (c & level) {
        var method;
        if (method = (a && a[level])) {
          a[level](msg);
        }
      }
    };
    return {
      trackEvent: function(name, properties) {
        r({
          type: 3,
          name: name,
          properties: properties
        });
      },
      trackPageView: function(name, url, properties, systemProperties) {
        r({
          type: 4,
          name: name,
          url: url,
          properties: properties,
          systemProperties: systemProperties
        });
      },
      trackException: function(exception, properties) {
        r({
          type: 7,
          exception: exception,
          properties: properties
        });
      },
      trackMetric: function(name, value, properties) {
        r({
          type: 6,
          name: name,
          value: value,
          properties: properties
        });
      },
      trackTrace: function(message, properties) {
        r({
          type: 5,
          message: message,
          properties: properties
        });
      },
      flush: function() {
        e('flushing telemetry...', 0);
        var ai = this;
        setTimeout(function() {
          for (var i = 0; i < d.length; i++) {
            var item = d[i];
            if (item.type === 2) {
              ai.setAuthenticatedUserContext(item.name, item.value);
            } else if (item.type === 1) {
              ai.clearAuthenticatedUserContext();
            } else {
              appInsights.track(item);
            }
          }
          d = [];
        }, 0);
      },
      setAuthenticatedUserContext: function(accountId, storeRegion, callback) {
        r({
          type: 2,
          name: accountId,
          value: storeRegion
        });
      },
      clearAuthenticatedUserContext: function() {
        r({
          type: 1
        });
      },
      startTrackPage: function(name) {
        p(name);
      },
      stopTrackPage: function(name, url, properties, systemProperties) {
        var pageView = {
          name: name,
          url: url,
          properties: properties,
          systemProperties: systemProperties
        };
        r({
          type: 4,
          name: name,
          url: url,
          properties: properties,
          systemProperties: systemProperties
        });
      },
      startTrackEvent: function(name) {
        r({
          type: 3,
          name: name
        });
      },
      stopTrackEvent: function(name, properties, systemProperties) {
        r({
          type: 3,
          name: name,
          properties: properties,
          systemProperties: systemProperties
        });
      },
      startTrackMetric: function(name) {
        r({
          type: 6,
          name: name
        });
      },
      stopTrackMetric: function(name, value, properties, systemProperties) {
        r({
          type: 6,
          name: name,
          value: value,
          properties: properties,
          systemProperties: systemProperties
        });
      },
      startTrackTrace: function(message) {
        r({
          type: 5,
          message: message
        });
      },
      stopTrackTrace: function(message, properties, systemProperties) {
        r({
          type: 5,
          message: message,
          properties: properties,
          systemProperties: systemProperties
        });
      },
      log: function(msg, level) {
        e(msg, level);
      },
      setOfflineMode: function(isOffline) {
        if (isOffline) {
          r({
            type: 10
          });
        } else {
          r({
            type: 11
          });
        }
      },
      config: config
    };
  }({
    instrumentationKey: 'YOUR_INSTRUMENTATION_KEY'
  });

  window.appInsights = appInsights;
  appInsights.trackPageView('Home Page');
</script>
```

--------------------------------

### Create a new MVC project

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/profiler/profiler-containers.md

Initialize a new ASP.NET Core MVC project using the .NET CLI.

```powershell
dotnet new mvc -n EnableServiceProfilerForContainerApp
```

--------------------------------

### Install and start cron service on RHEL/CentOS

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/agents/agent-linux-troubleshoot.md

Install cron service binaries and start the service on RHEL/CentOS systems.

```bash
# To Install the service binaries
sudo yum install -y crond
# To start the service
sudo service crond start
```

--------------------------------

### Dockerfile example for Application Insights

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/app/java-get-started-supplemental.md

A Dockerfile example demonstrating how to copy the Application Insights agent JAR, configuration file, and set the connection string environment variable.

```dockerfile
FROM ...

COPY target/*.jar app.jar

COPY agent/applicationinsights-agent-3.7.8.jar applicationinsights-agent-3.7.8.jar 

COPY agent/applicationinsights.json applicationinsights.json

ENV APPLICATIONINSIGHTS_CONNECTION_STRING="CONNECTION-STRING"
        
ENTRYPOINT["java", "-javaagent:applicationinsights-agent-3.7.8.jar", "-jar", "app.jar"]
```

--------------------------------

### KEDA Pods Status Example

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/containers/integrate-keda.md

This is an example output showing the status of KEDA pods. All pods should be in a 'Running' state.

```bash
NAME                                               READY   STATUS    RESTARTS       AGE
keda-admission-webhooks-ffcb8f688-kqlxp            1/1     Running   0              4m
keda-operator-5d9f7d975-mgv7r                      1/1     Running   1 (4m ago)     4m
keda-operator-metrics-apiserver-7dc6f59678-745nz   1/1     Running   0              4m
```

--------------------------------

### Install and start cron service on SUSE

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/agents/agent-linux-troubleshoot.md

Install cron service binaries and start the service on SUSE systems.

```bash
# To Install the service binaries
sudo zypper in cron -y
# To start the service
sudo systemctl enable cron
sudo systemctl start cron
```

--------------------------------

### Install and start cron service on Ubuntu/Debian

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/agents/agent-linux-troubleshoot.md

Install cron service binaries and start the service on Ubuntu/Debian systems.

```bash
# To Install the service binaries
sudo apt-get install -y cron
# To start the service
sudo service cron start
```

--------------------------------

### List VMs by Availability and Power State (KQL)

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/service-health/includes/resource-health.md

Use this KQL query to retrieve virtual machines and summarize their health by power and availability states. It includes resource group and resource ID for detailed visibility. Excludes deallocated virtual machines.

```kusto
Resources
| where type =~ 'microsoft.compute/virtualmachines'
| project resourceGroup, Id = tolower(id), PowerState = tostring( properties.extended.instanceView.powerState.code)
| join kind=leftouter (
  HealthResources
  | where type =~ 'microsoft.resourcehealth/availabilitystatuses'
  | where tostring(properties.targetResourceType) =~ 'microsoft.compute/virtualmachines'
  | project targetResourceId = tolower(tostring(properties.targetResourceId)), AvailabilityState = tostring(properties.availabilityState))
  on $left.Id == $right.targetResourceId
| project-away targetResourceId
| where PowerState != 'PowerState/deallocated'
```

--------------------------------

### Install and start cron service on Oracle Linux

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/agents/agent-linux-troubleshoot.md

Install cron service binaries and start the service on Oracle Linux systems.

```bash
# To Install the service binaries
sudo yum install -y cronie
# To start the service
sudo service crond start
```

--------------------------------

### Install .NET client libraries

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/logs/tutorial-logs-ingestion-code.md

Install the Azure Monitor Ingestion client library and the Azure Identity library. The Azure Identity library is required for authentication.

```dotnetcli
dotnet add package Azure.Identity
dotnet add package Azure.Monitor.Ingestion
```

--------------------------------

### Install Dependency Agent on Linux

Source: https://github.com/microsoftdocs/azure-monitor-docs/blob/main/articles/azure-monitor/vm/vminsights-dependency-agent.md

Run the installer script with sudo privileges to install or upgrade the Dependency Agent on a Linux machine. Check logs in /var/opt/microsoft/dependency-agent/log if it fails to start.

```bash
sudo <path>/InstallDependencyAgent-Linux64.bin
```