# MDM for Linux: Securely manage your devices from Hexnode

Linux is the robust, open-source kernel foundation for distributions like Ubuntu, Fedora, and Debian. Managing these endpoints effectively is critical for enterprise security. Hexnode UEM delivers a powerful MDM for Linux solution, offering granular control over device fleets ranging from developer workstations to digital signage.

Below is a breakdown of the core capabilities available for getting started with Linux device management.

Core Management Features 
-------------------------

### Device Enrollment 

Streamline the onboarding process for your Linux fleet. Hexnode allows for quick enrollment via the **Command Line Interface (CLI)**, enabling administrators to bulk-enroll devices efficiently using simple script execution.

- **Key Action**: [Enroll devices](https://www.hexnode.com/mobile-device-management/help/linux-device-enrollment-in-hexnode-uem/) using CLI commands.
- **Benefit**: Reduces manual setup time and ensures devices connect immediately to the MDM server.

### Password Policy Enforcement 

Secure your endpoints by enforcing strict [authentication standards](https://www.hexnode.com/mobile-device-management/help/configure-password-policy-for-linux-devices-from-hexnode/). You can configure and deploy complex password policies to ensure all managed Linux devices meet organization security compliance.

- **Capabilities**: Set complexity requirements, expiration dates, and history restrictions.

### Device Restrictions 

Grant or deny access to specific device features to maintain productivity and security. Hexnode UEM enables admins to lock down devices or [restrict access](https://www.hexnode.com/mobile-device-management/help/configure-restrictions-for-linux-devices-enrolled-in-hexnode/) to non-essential system functions.

- **Use Case**: Prevent unauthorized external media use or restrict specific system settings.

### OS Updates & Patch Management 

Keep your environment secure against vulnerabilities by managing [OS updates](https://www.hexnode.com/mobile-device-management/help/how-to-install-os-updates-on-linux-devices/). Hexnode facilitates the scheduling and deployment of critical updates to optimize performance and close security gaps.

- **Why it matters**: Automating updates ensures compliance without disrupting user workflows.

### Custom Script Execution 

Go beyond standard configurations by deploying [Custom Scripts](https://www.hexnode.com/mobile-device-management/help/how-to-create-and-execute-custom-scripts-on-linux/). Administrators can automate routine tasks, push complex configurations, or install software packages not natively supported by the UI.

- **Flexibility**: Bash or Python scripts can be pushed directly from the Hexnode console.

### Network Security (Wi-Fi) 

Ensure seamless and secure connectivity by pushing pre-configured [Wi-Fi settings](https://www.hexnode.com/mobile-device-management/help/how-to-set-up-wi-fi-for-linux-devices/) to devices. This prevents users from connecting to insecure networks and ensures devices automatically join corporate networks.

### Remote View & Control 

Troubleshoot issues without [physical access](https://www.hexnode.com/mobile-device-management/help/enable-remote-view-on-linux-devices-from-hexnode-uem/).

- **Remote View**: Monitor the device screen in real-time from the Hexnode console.
- **Remote Control**: Intervene directly to resolve technical issues, reducing downtime for remote employees.

### Web Content Filtering 

Enhance productivity and security by managing web access. The [Web Content Filtering](https://www.hexnode.com/mobile-device-management/help/how-to-set-up-web-content-filtering-on-linux-devices/) feature allows admins to block access to malicious or non-compliant websites, ensuring devices are used strictly for business purposes.

### Certificate Management 

Deploy and manage digital [certificates](https://www.hexnode.com/mobile-device-management/help/manage-certificate-deployment-on-linux-using-hexnode-uem/) to secure communications and validate device identity. This is essential for accessing encrypted corporate resources and setting up secure VPN or Wi-Fi connections.

### Wallpaper Customization 

Standardize your corporate branding across all endpoints. Create and deploy a [Wallpaper Policy](https://www.hexnode.com/mobile-device-management/help/how-to-set-wallpaper-on-linux-devices/) to set specific backgrounds on target Linux devices, ensuring a professional and uniform look.

### Local Account Management 

Remotely manage [local user accounts](https://www.hexnode.com/mobile-device-management/help/manage-local-user-accounts-on-linux-devices-enrolled-in-hexnode-uem/) on target devices. This feature allows admins to add, delete, or modify user accounts, ensuring only authorized personnel have access to specific machines.

### Live Terminal Access 

Execute commands in real-time with [Live Terminal](https://www.hexnode.com/mobile-device-management/help/how-to-activate-live-terminal-on-linux/). This feature provides direct root-level access to the device’s command line from the web console for advanced troubleshooting and auditing.

Troubleshooting Common Linux MDM Issues 
----------------------------------------

### Issue: Remote View/Control is showing a black screen or failing to connect. 

**Probable Cause**: The **FUSE (Filesystem in Userspace)** library might be missing, or the device is using a display manager other than X11 (e.g., Wayland).

**Solution**:

- Ensure the device is running the **X11 display manager** (Remote Control often has limited support for Wayland).
- Install the FUSE library via terminal: 
    - Debian/Ubuntu: sudo apt install fuse
    - Fedora/CentOS: sudo dnf install fuse

### Issue: Device enrollment fails via CLI. 

**Probable Cause**: Incorrect server name, network firewalls blocking communication, or incorrect system time.

**Solution**:

- Verify the portal name is entered correctly in the enrollment script.
- Ensure port **443** is open for outbound traffic to Hexnode servers.
- Check that the device’s system time and date are synchronized with an NTP server.

### Issue: Custom scripts are returning “Execution Failed”. 

**Probable Cause**: Syntax errors in the script or insufficient permissions.

**Solution**:

- Test the script locally on a test machine before deployment.
- Ensure the script includes the correct shebang (e.g., #!/bin/bash) at the top.
- Verify the script does not require interactive user input (prompts), as MDM scripts run in the background.