Documentation forSecurity Event Manager

Install the SEM Agent on Linux and Unix

Install the SEM Agent locally on a Linux and Unix operating system. When the installation is completed, the agent automatically starts and connects to SEM.

See SEM Agent pre-installation checklist for agent download information and a pre-install checklist.

About the installation

By default, the SEM Agents are installed in the following folder: 


Download the SEM Agent installer

  1. Log in to the SolarWinds Customer Portal using your SolarWinds ID (SWI).

  2. Click Downloads > Download Product.

  3. Click the Products drop-down menu and select Security Event Manager (SEM), formerly Log & Event Manager (LEM).

  4. Click the Licenses drop-down menu and select your license tier.

  5. Scroll down to Agent Downloads.

  6. Click the Local Agent Installer drop-down menu, select a Linux release, and then click Download.

  7. Review the message in the pop-up window, and then click Finish Download.

    The installer is downloaded to your system.

    For example:


    where <version> is the SEM release version.

    For example:


Run the SEM Agent installer on Linux or Unix

  1. Copy the installer file to a local or network location.
  2. Open a Terminal window.
  3. Change directories to the folder that contains the installer.
  4. In the Terminal window, enter the following command to convert the installer into an executable application.

    chmod +x SolarWinds-SEM-<version>-Agent-LinuxInstaller.bin

    where <version> is the SEM installer version you downloaded from the Customer Portal.

    For example:

    chmod +x SolarWinds-SEM-2023.2-Agent-LinuxInstaller.bin
  5. Run the following command as root:


    For example:

  6. Press Enter to start the installer.
  7. Press Enter to page through the End User License Agreement. If you agree with the agreement, enter y to accept the terms.
  8. Enter a custom installation path or press Enter to accept the default (recommended).
  9. Enter the hostname or IP address of the SEM Manager.

    Use the fully qualified domain name for your SEM Manager when you deploy SEM agents on a different domain. For example, enter

  10. Press Enter twice to accept the default port values, and then press Enter again to proceed.
  11. Review the Pre-Installation Summary, and then press Enter.
  12. After the installation is completed, press Enter to exit the installer.

    The SEM Agent begins sending alerts to SEM.

    If you need to install the agent on additional servers, see Install the Linux (or Unix) agent on multiple servers for instructions.

Next steps:

Uninstall the SEM Agent on Linux or Unix

  1. Log in to your Linux system as root.
  2. Stop the SolarWinds SEM Agent service.
  3. Delete the /usr/local/contego/ContegoSPOP folder.
  4. Remove any startup scripts.

    The SEM Agent is uninstalled.