Monitoring Technology Dashboard for Linux

  • Release version: Yokohama
  • Updated January 30, 2025
  • 2 minutes to read
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    Summary of Monitoring Technology Dashboard for Linux

    The Linux Monitoring Technology Dashboard enables ServiceNow customers to monitor the health and performance of their Linux infrastructure efficiently. It highlights the top five configuration items (CIs) and servers with the highest resource consumption over the past six hours and displays the 50 most recent active alerts on Linux servers. This dashboard helps quickly identify resource-intensive components and active issues to maintain system stability.

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    Access and Requirements

    To use the dashboard, navigate to All > AIOps Dashboards > Monitoring Technology Dashboards and select Linux Server. Ensure the following prerequisites are met for proper functionality:

    • Work within the Agent Client Collector Monitoring scope in your ServiceNow instance.
    • Enable the agentclientcollectoradmin and dashboardadmin roles.
    • Activate Metric Intelligence on the MID Server.
    • Enable the Linux OS Events and Linux OS Metrics policies to allow metric-to-CI mapping.
    • Use clotho plugin version 1.19.0.10 or later; follow upgrade instructions if migrating from earlier releases.

    Dashboard Features and Usage

    The dashboard provides detailed metric insights and alert management:

    • View specific data points by hovering over widgets to see detailed pop-up information.
    • Access the Alerts tab to review the 50 most recent active alerts for Linux CIs.
    • Filter dashboard data by time range, selected CIs, or operating systems to focus analysis.
    • Change metric grouping by categories such as Host name, Class, Operating System, or OS Version for customized views.

    Monitored Metrics

    The Metrics subtab displays top-performing CIs and servers based on these key metrics over the last six hours:

    • CPU Utilization and CPU Usage
    • System Uptime
    • Load Average
    • Memory and Memory Distribution
    • Processes
    • Network Utilization
    • Swap
    • Disk Usage

    Customization

    Customers can customize individual widgets on the Linux Monitoring Technology Dashboard to adjust parameters such as alert timeframes. Additionally, customized widgets can be incorporated when building tailored dashboards, allowing for more targeted monitoring aligned with specific operational needs.

    With the Linux Monitoring Technology Dashboard, you can monitor the health and performance of your Linux infrastructure. The dashboard enables you to identify the CIs and servers in your system with the highest resource consumption, and also the most recent active alerts.

    Overview of the dashboard

    The Monitoring Technology Dashboard shows the five CIs and servers with the highest metric readouts during the past six hours. The dashboard also shows the 50 most recent active alerts on your OS's servers.

    To view the dashboard, navigate to All > AIOps Dashboards > Monitoring Technology Dashboards and select Linux Server.

    Using the Monitoring Technology Dashboard for Linux

    Before using the Monitoring Technology Dashboard for Linux:
    • Ensure that you’re working in the Agent Client Collector Monitoring scope in your ServiceNow instance.
    • Ensure that the agent_client_collector_admin and dashboard_admin roles are enabled.
    • Enable Metric Intelligence on the MID Server.
    • Ensure that the Linux OS Events and Linux OS Metrics policies are enabled.

      Enabling these policies activates metric to CI mapping.

    • Ensure that the clotho plugin version 1.19.0.10 or above is enabled.
    • After upgrading from a previous version, follow the procedure described in the ACC-M Dashboard Filters are not working when upgraded from Tokyo/Utah to Vancouver [KB1438042] article in the NOW Support Knowledge Base.

    Point to the relevant widget to view a specific point of data and all of its details in a pop-up window. Select the Alerts tab to view the 50 most recent active alerts for CIs.

    You can filter the dashboard data according to the following filters:
    Table 1. Dashboard filters
    Filter name Description
    Time range filter The time range for which you want metric data to display on the dashboard.
    Metrics by selected CI filter The CIs for which you want metric data to display on the dashboard.
    Metrics by selected OS filter The OS for which you want metric data to display on the dashboard.

    On the right side of widgets displaying a single metric, you can select the More options icon (More options icon) and select Change group by. Select the category you want to view the metric by: Host name, Class, Operating System, or OS Version.

    Linux server dashboard

    Linux Server dashboard
    The Metrics subtab displays the top five performing CIs and servers over the past six hours, according to the following metrics.
    • CPU Utilization
    • System Uptime
    • CPU Usage
    • Load Average
    • Memory
    • Memory Distribution
    • Processes
    • Network Utilization
    • Swap
    • Disk Usage

    You can customize the appearance of the individual widgets on the Linux Monitoring Technology Dashboard. For example, you could change the timeframe for which the alerts appear. You can also include customized widgets when you are creating a custom dashboard. For more information, see Customize the Monitoring Technology Dashboard.