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How to Install CrowdStrike Falcon Sensor

Summary: CrowdStrike Falcon Sensor can be installed using these instructions for Windows, Mac, and Linux.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

This article covers the installation process for CrowdStrike Falcon Sensor.

Affected Products:

  • CrowdStrike Falcon Sensor

Affected Operating Systems:

  • Windows
  • Mac
  • Linux

Cause

Not applicable

Resolution

Note: Before installation, ensure that all requirements are met by referencing CrowdStrike Falcon Sensor System Requirements.

Click Windows, macOS, or Linux for the installation process.

Windows

CrowdStrike Falcon Sensor can be installed on Windows through the:

  • UI (user interface)
  • CLI (command-line interface)

Click the appropriate method for more information.

UI

To install the product by UI:
  1. Double-click WindowsSensor.exe.

CrowdStrike Falcon Sensor installer

Note: For information about obtaining the installer, reference How to Download the CrowdStrike Falcon Sensor.
  1. If User Account Control (UAC) is enabled, click Yes. Otherwise go to Step 3.

User Account Control prompt

  1. In the install UI:
    1. Accept the license agreement.
    2. Populate the Customer ID.
    3. Click Install.

CrowdStrike Falcon Sensor Setup UI

Note:
  1. On successful installation, click Close.

Completed installer prompt

CLI

Note: Switches are not case-sensitive.
 
Switch Required Purpose
/install Yes Installs the CrowdStrike Falcon Sensor.
/passive No The installer shows a minimal UI with no prompts.
/quiet No Suppresses UI and prompts.
/norestart No Prevents the host from restarting after installation.
/log No Changes the default installation log directory from %Temp% to a new location. The new location must be contained in quotation marks ("").
 
 
Note: Parameters are case-sensitive.
 
Parameter Value Required Purpose
CID= See Examples1 Yes Uses customer identification (CID) to associate sensor to CrowdStrike Falcon Console.
NO_START= 0 (Default) No Starts the sensor immediately after installation.
1 Prevents the sensor from starting after installation. The next time the host boots, the sensor is assigned an agent ID (AID).
VDI= 1 No Configures sensor for a virtual desktop infrastructure (VDI) environment. Updates AID after system initialization.
APP_PROXYNAME= See Examples No Configures sensor to use a proxy connection. Cannot be used with PACURL.
APP_PROXYPORT= See Examples No Specifies APP_PROXYNAME port.
PACURL= See Examples No Configures a proxy connection using a PAC file. Cannot be used with either APP_PROXYNAME or APP_PROXYPORT.
PROXYDISABLE= 0 (Default) No Attempts to connect to CrowdStrike Falcon Console using any available proxy connections.
1 The parameter ignores any automatic proxy connection.
ProvNoWait= 0 (Default) No The parameter uninstalls the sensor if unable to connect to CrowdStrike Falcon Console within 10 minutes.
1 The parameter prevents uninstall if unable to connect to CrowdStrike Falcon Console.

1Reference How to Obtain the CrowdStrike Customer Identification (CID) for more information.

Note: For information about obtaining the installer, reference How to Download the CrowdStrike Falcon Sensor.

CLI Installation Examples:

Example #1:

WindowsSensor.exe /install NO_START=1 CID=ABCDEF123GHI-J6

Example #1 contains:

  • Installer = WindowsSensor.exe
  • CID = ABCDEF123GHI-J6
  • Silent install = No
    • Default value since not defined.
  • End-user installation prompts = Yes
    • Default value since not defined.
  • Start sensor post installation = Yes
    • Default value since not defined.
  • VDI deployment = No
    • Default since not defined.
  • Configured Proxy/Port = No
    • Default value since not defined.
  • Connect using automatic proxy connection = Yes
    • Default value since not defined.
  • Uninstall if unable to connect to CrowdStrike Falcon Console = Yes
    • Default value since not defined.
  • Installation Directory = %TEMP%
    • Default value since not defined.

Example #2:

WindowsSensor.exe /install NO_START=1 /quiet /norestart ProvNoWait=1 CID=ABCDEF123GHI-J6 /log "C:\Logs"

Example #2 contains:

  • Installer = WindowsSensor.exe
  • CID = ABCDEF123GHI-J6
  • Silent install = Yes
  • End-user installation prompts = No
  • Start sensor post installation = No
    • Default value since not defined.
  • VDI deployment = No
    • Default since not defined.
  • Configured Proxy/Port = No
    • Default value since not defined.
  • Connect using automatic proxy connection = Yes
    • Default value since not defined.
  • Uninstall if unable to connect to CrowdStrike Falcon Console = No
  • Installation Directory = C:\Logs

Example #3:

WindowsSensor.exe /install VDI=1 NO_START=1 APP_PROXYNAME=proxy.domain.com APP_PROXYPORT=1234 ProvNoWait=1 PROXYDISABLE=1 /quiet CID=ABCDEF123GHI-J6

Example #3 contains:

  • Installer = WindowsSensor.exe
  • CID = ABCDEF123GHI-J6
  • Silent install = Yes
  • End-user installation prompts = No
  • Start sensor post installation = No
  • VDI deployment = Yes
  • Configured Proxy/Port = proxy.domain.com/1234
  • Connect using automatic proxy connection = No
  • Uninstall if unable to connect to CrowdStrike Falcon Console = No
  • Installation Directory = %TEMP%
    • Default value since not defined.

macOS

v5.10.9003 and Later

To install the product:
  1. In the Apple menu, click Go and then select Utilities.

Utilities

  1. In the Utilities folder, double-click Terminal.

Terminal

  1. In Terminal, type sudo installer -verboseR -package [INSTALLPATH]/FalconSensorMacOS.pkg -target / and then press Enter.
Note:
  1. Populate the password for sudo and then press Enter.

Terminal with the command populated and entered

  1. Type sudo /Library/CS/falconctl license 'CID' and then press Enter.

Image depicts Terminal with the command populated

Note:
  1. If running:
    1. macOS Mojave (10.14.5) and later:
      1. Kernel Extensions must be approved for product functionality. For more information, reference How to Allow Dell Data Security Kernel Extensions on macOS.
      2. Full Disk Access must be granted for full protection. For more information, reference How to Grant Full Disk Access for the CrowdStrike Falcon Sensor.
    2. macOS High Sierra (10.13) or later:
      1. Kernel Extensions must be approved for product functionality. For more information, reference How to Allow Dell Data Security Kernel Extensions on macOS.
    3. macOS Sierra (10.12) and earlier, no further action is required.

Linux

Click Red Hat Enterprise Linux, CentOS, Amazon Linux, Ubuntu, or SLES for the steps to install CrowdStrike Falcon Sensor.

Red Hat Enterprise Linux, CentOS, Amazon Linux

CrowdStrike Falcon Sensor must be installed using Terminal on Linux.

To install the product by Terminal for Red Hat Enterprise Linux, CentOS, or Amazon Linux:
  1. Open the Linux Terminal.
  2. In Terminal, type sudo yum install falcon-sensor-[VERSION].[EXT] and then press Enter.

Terminal with the command populated

Note:
  • [VERSION] = The version of the CrowdStrike Falcon Sensor installer file
  • [EXT] = The extension of the CrowdStrike Falcon Sensor installer file
    • Installer extensions can differ between Linux distributions.
  • For information about obtaining the installer, reference How to Download the CrowdStrike Falcon Sensor.
  1. Type Y and then press Enter to confirm installation.

Terminal with the command populated and entered

  1. Type sudo /opt/CrowdStrike/falconctl -s –cid=[CID] and then press Enter.

Terminal with the command populated

Note:
  • [CID] = Customer Identification for CrowdStrike Falcon Console
  • [CID] is only present on installers that are downloaded from Google Chrome.
  • For information about obtaining the installer, reference How to Download the CrowdStrike Falcon Sensor.
  1. Type:
    1. Hosts with SysVinit: service falcon-sensor start and then press Enter.
    2. Hosts with Systemd: systemctl start falcon-sensor and then press Enter.

Terminal with the command populated

Ubuntu

CrowdStrike Falcon Sensor must be installed using Terminal on Linux.

To install the product by Terminal for Ubuntu:
  1. Open the Linux Terminal.
  2. In Terminal, type sudo dpkg -i falcon-sensor-[VERSION].[EXT] and then press Enter.
Note:
  • [VERSION] = The version of the CrowdStrike Falcon Sensor installer file
  • [EXT] = The extension of the CrowdStrike Falcon Sensor installer file
    • Installer extensions can differ between Linux distributions.
  • For information about obtaining the installer, reference How to Download the CrowdStrike Falcon Sensor.
  1. Type Y and then press Enter to confirm installation.
  1. Type sudo /opt/CrowdStrike/falconctl -s –cid=[CID] and then press Enter.
Note:
  • [CID] = Customer Identification for CrowdStrike Falcon Console
  • [CID] is only present on installers that are downloaded from Google Chrome.
  • For information about obtaining the installer, reference How to Download the CrowdStrike Falcon Sensor.
  1. Type:
    1. Hosts with SysVinit: service falcon-sensor start and then press Enter.
    2. Hosts with Systemd: systemctl start falcon-sensor and then press Enter.

SLES

CrowdStrike Falcon Sensor must be installed using Terminal on Linux.

To install the product by Terminal for SLES:
  1. Open the Linux Terminal.
  2. In Terminal, type sudo zypper install falcon-sensor-[VERSION].[EXT] and then press Enter.
Note:
  • [VERSION] = The version of the CrowdStrike Falcon Sensor installer file
  • [EXT] = The extension of the CrowdStrike Falcon Sensor installer file
    • Installer extensions can differ between Linux distributions.
  • For information about obtaining the installer, reference How to Download the CrowdStrike Falcon Sensor.
  1. Type Y and then press Enter to confirm installation.
  1. Type sudo /opt/CrowdStrike/falconctl -s –cid=[CID] and then press Enter.
Note:
  • [CID] = Customer Identification for CrowdStrike Falcon Console
  • [CID] is only present on installers that are downloaded from Google Chrome.
  • For information about obtaining the installer, reference How to Download the CrowdStrike Falcon Sensor.
  1. Type:
    1. Hosts with SysVinit: service falcon-sensor start and then press Enter.
    2. Hosts with Systemd: systemctl start falcon-sensor and then press Enter.

To contact support, reference Dell Data Security International Support Phone Numbers.
Go to TechDirect to generate a technical support request online.
For additional insights and resources, join the Dell Security Community Forum.

Affected Products

CrowdStrike
Article Properties
Article Number: 000126124
Article Type: Solution
Last Modified: 05 jan 2024
Version:  18
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