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GLPI Agent: The Definitive Guide to Taming Your IT Inventory
R
Rodolfo Echenique
Automated Translation: This article was originally written in Spanish and translated by Gemini AI.
Are you still tracking your equipment inventory in an Excel file called "Inventario_Final_V3_AHORA_SI.xlsx"? It's time to modernize. The GLPI Agent is the heart of IT Asset Management (ITAM). It is responsible for querying your equipment and sending that data to your server so you don't have to manually count RAMs.
At Central Node, we know that visibility is the foundation of security. If you don't know what you have, you can't protect it. Today, we are going to configure the GLPI agent like true professionals, avoiding manual configurations prone to errors.
1. Context: How does this work?
Before hitting "Next, Next," let's understand the architecture. The agent collects data (Hardware, Software, Antivirus) and sends it via HTTP/HTTPS to your server.
2. Environment Preparation (Server Side)
Depending on your GLPI version, the configuration changes slightly. This is crucial and is usually failure point #1:
- GLPI 10+ (Native): Inventory is already integrated. You do not strictly need extra plugins.
- GLPI 9.x (Legacy): You need the GLPI Inventory plugin installed and activated under .
Configuration > Plugins
3. Official Download
Golden rule of security: never download administration tools from third-party sites. Always use the official repository.
- Windows, Linux & Mac: Official GLPI Agent GitHub
- Android: Available on the Google Play Store as "GLPI Agent".
4. Intelligent Installation on Windows
Although the original tutorial suggested manually editing the Windows Registry (regedit), as Network Engineers, we recommend configuring the URL during installation. Manually touching the registry is delicate and difficult to scale.
- Run the installer.
.msi - Choose the Complete or Typical installation.
- Attention here! When prompted for the server URL ("Server URL"), enter the correct path:
- For GLPI 10 or higher:
http://your-server/marketplace/glpiinventory
- For GLPI 10 or higher:
- If you use a self-signed certificate (typical in intranets), check the "No check SSL" box (although having valid certificates is ideal).
Technical Note: You do not need to install the "Graphical Agent" unless you want the end-user to be able to manually force the inventory from their taskbar. In corporate environments, we usually hide it.
5. The "Hacker" Method: Registry Adjustment (Troubleshooting)
If you made a mistake during installation or need to change the server IP without reinstalling, then yes, we go to the registry. But let's do it carefully.
- Open .
regedit - Navigate to:
HKEY_LOCAL_MACHINE\SOFTWARE\GLPI-Agent - Find the server key.
- Edit the value with the new URL (you can list several separated by commas).
http://your-server/marketplace/glpiinventory
6. Restarting the Service (PowerShell Way)
The GLPI Agent on Windows is not just a little window; it is a Windows Service. Closing the window is not enough. To apply changes, restart the service correctly.
Open PowerShell as Administrator and run:
Restart-Service glpi-agent
Or if you prefer the graphical interface:
- Press and type
Win + R.services.msc - Find GLPI Agent in the list.
- Right-click > Restart.
7. Forcing the first inventory
Don't want to wait for automatic scheduling? Force the immediate submission from your browser by opening:
http://localhost:62354Click on "Force an inventory". If you see a green success bar, congratulations! Your equipment is now part of the matrix.
Does managing hundreds of agents seem complicated?
Asset management is fundamental, but it consumes time. At Central Node, we specialize in implementing, securing, and maintaining robust IT infrastructures so that you can focus only on growing your business.
Contact us today for an audit of your infrastructure.