VPN Manager ​

GM Desktop VPN Manager is a visual VPN service management tool for Linux servers. It covers User Certificates, Permissions, Permission Groups, Configuration, Logs, and User Monitoring.

Core Features ​

Initialization ​

Auto Install ​

On first launch, the system detects VPN Admin installation status. If not installed, automatic installation begins.

• Auto Detection & Install: Automatically installs VPN Admin stable version with progress display.
• View Logs: Click "View Logs" during installation to monitor progress.

Service Startup ​

After installation, if the VPN service is not running, the page guides you to start it.

• Service Status: Bottom-left shows status ("Not Running" in red).
• Auth Method: Bottom-left shows current auth method (e.g., "No Auth").
• Start Now: Center prompt with "Start Now" button.

User Certificates ​

VPN Client Certificate Management. Create, download, and manage client certificates.

• Certificate List: Table showing client name, IP, notes, creation time, and actions.
• Search: Top search box with client name dropdown filter.
• Batch Operations: Bottom batch operations dropdown with pagination.
• Certificate Actions: Each record provides:
  • Certificate Icon: View certificate details.
  • Download: Download client certificate file.
  • More Menu (⋮): View permissions, edit, delete.

Create Certificate ​

Permissions ​

Fine-Grained VPN Access Control. Define target IPs and policies for VPN user access.

• Permission List: Table showing name, target, policy, creation time, and actions.
• Search: Top search box with permission name filter.
• Permission Actions: Four operations per record:
  • Assign to User: Assign permission to specific users.
  • Association Config: Manage permission-group associations.
  • Edit: Modify permission info.
  • Delete: Remove the permission rule.

Create Permission ​

Permission Groups ​

Group-Based Batch Permission Management. Group multiple permissions together for batch assignment to users.

• Group List: Table showing name, creation time, default permission toggle, and actions.
• Search: Quick search for permission groups.
• Default Permission: Toggle per group — when set as default, new users automatically inherit the group's permissions.
• Actions: Association config, edit, and delete.

Association Config ​

• All Permissions (left): Available permissions with search and select-all.
• Permission Group (right): Currently associated permissions.
• Operation: Move permissions from left to right, click "Confirm" to save.

Configuration ​

VPN Global Parameter Configuration. Visual adjustment of VPN service core parameters.

• Open Config File: Top-right button for direct OpenVPN config editing.
• Save: Click "Save" to restart service with new settings.

Logs ​

VPN Runtime Log Viewer. View complete VPN service status logs.

• Log Content: Terminal-style display of VPN runtime parameters — IPv6 config, inter-client communication, rate limiting, max clients, routing restrictions, auth script config, etc.
• Real-Time Refresh: Logs update in real-time as the service runs.

User Monitoring ​

Real-Time Online User Status. Table display of all currently connected VPN users.

• Monitor Table:

• Search: Quick user lookup.
• Pagination: Bottom pagination (default 20 per page).