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### How to uninstall Microsoft Defender for Endpoint on Linux Servers
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Create uninstallation YAML file (eg: /etc/ansible/playbooks/uninstall_mdatp.yml) which uses mde_installer.sh. You can also download the file directly from [GitHub](/defender-endpoint/linux-support-events)
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Create uninstallation YAML file (for example: /etc/ansible/playbooks/uninstall_mdatp.yml) which uses mde_installer.sh. You can also download the file directly from [GitHub](/defender-endpoint/linux-support-events)
Run the belowcommand to uninstall MDE using the above playbook
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Run the followingcommand to uninstall Defender for Endpoint by using the playbook:
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```bash
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ansible-playbook -i /etc/ansible/hosts /etc/ansible/playbooks/uninstall_mdatp.yml --extra-vars "mde_installer_script=<path to mde_installer.sh>"
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```
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## Deploy Defender for Endpoint using Ansible by configuring repositories manually
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Follow the steps below after [downloading the onboarding package]() and completing [pre-requisites]() to deploy Defender for Endpoint by manually configuring the repositories for each Linux distribution.
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Follow the steps in this section after downloading the onboarding package and meeting prerequisites to deploy Defender for Endpoint by manually configuring the repositories for each Linux distribution.
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### Create Ansible YAML files
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- Create the Ansible install and uninstall YAML files.
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- For apt-based distributions use the following YAML file:
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- For apt-based distributions, use the following YAML file:
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```bash
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cat install_mdatp.yml
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state: absent
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```
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- For dnf-based distributions use the following YAML file:
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- For dnf-based distributions, use the following YAML file:
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```bash
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cat install_mdatp_dnf.yml
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state: absent
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```
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## Apply the above playbook using the following command
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## Apply the playbook
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Now run the tasks files under `/etc/ansible/playbooks/` or relevant directory.
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In this step, you apply the playbook. Run the tasks files under `/etc/ansible/playbooks/` or relevant directory.
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- Installation:
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```
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## Troubleshoot installation issues
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For self-troubleshooting, do the following
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1. Refer to [Log installation issues](linux-resources.md#log-installation-issues) for more information on how to find the automatically generated log that is created by the installer when an error occurs.
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2. Refer to [Installation issues](/defender-endpoint/linux-support-install) for more information on commonly occurring installation issues
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3. If health of the device is false, refer to [MDE agent health issues](/defender-endpoint/health-status)
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4. For product performance issues, refer to [Troubleshoot performance issues](/defender-endpoint/linux-support-perf), [performance tuning](https://review.learn.microsoft.com/en-us/defender-endpoint/linux-support-perf?branch=main)
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5. For proxy and connectivity issues, refer to [Troubleshoot cloud connectivity issues](/defender-endpoint/linux-support-connectivity)
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To get support from Microsoft, raise a support ticket and provide log dump by [running client analyser](/defender-endpoint/run-analyzer-macos-linux)
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1. For information on how to find the log that's generated automatically when an installation error occurs, see [Log installation issues](linux-resources.md#log-installation-issues).
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2. For information about common installation issues, see [Installation issues](/defender-endpoint/linux-support-install).
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3. If health of the device is `false`, see [Defender for Endpoint agent health issues](/defender-endpoint/health-status).
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4. For product performance issues, see [Troubleshoot performance issues](/defender-endpoint/linux-support-perf).
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5. For proxy and connectivity issues, see [Troubleshoot cloud connectivity issues](/defender-endpoint/linux-support-connectivity).
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6. To get support from Microsoft, open a support ticket, and provide the log files created by using the [client analyser](/defender-endpoint/run-analyzer-macos-linux).
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## How to configure policies for Microsoft Defender on Linux
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You can configure AV/EDR settings on your endpoints using following methods
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3. Refer to [set preferences](/defender-endpoint/linux-preferences) to learn more about the available settings
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4. Refer to [security settings management](/mem/intune/protect/mde-security-integration) to configure settings via Microsoft Defender Portal
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You can configure antivirus or EDR settings on your endpoints using following methods:
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- See [Set preferences for Microsoft Defender for Endpoint on Linux](/defender-endpoint/linux-preferences).
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- See [security settings management](/mem/intune/protect/mde-security-integration) to configure settings in the Microsoft Defender portal.
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## Operating system upgrades
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When upgrading your operating system to a new major version, you must first uninstall Defender for Endpoint on Linux, install the upgrade, and finally reconfigure Defender for Endpoint on Linux on your device.
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## References
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## See also
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- [Add or remove YUM repositories](https://docs.ansible.com/ansible/latest/collections/ansible/builtin/yum_repository_module.html)
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