Debian Server OS Administration

• Upgrading to Debian 13 (From Debian 11 or Debian 12)

  ggCircuit provides an upgrade script that moves a ggRock server from Debian 11 (Bullseye) or Debian 12 (Bookworm) to Debian 13 (Trixie). It upgrades one release at a time, reboots, and carries on by itself until it reaches Trixie. This article covers how to prepare, run the upgrade, check the result, and what to do if something stops. Plan for downtime. The server restarts at the end of every step, and ggRock restarts during the upgrade. Diskless stations cannot boot or keep running witFew readers

• Using Cockpit Virtual Machines on ggRock (Advanced)

  The Debian Control Panel can manage virtual machines, but the Virtual Machines tab is not installed by default. This guide shows how to add it and how to use it for one common task: changing a VM's CPU type. ⚠️ Advanced users only. This tab is mainly used by ggCircuit support. ggRock manages its own VMs and network, so changes made here can conflict with it. If you're not sure, contact support before continuing. 📌 When You Need This Some tasks can't be done from the ggRock adminFew readers

Debian Server OS Installation

• I. -📥 How to Download Debian and Rufus

  If you're getting ready to install **ggRock**, the first step is downloading the Debian Linux installation image and a tool like **Rufus** to create a bootable USB. Follow the stepSome readers

• Appendix II: 🛠️ Installing Debian on a Software RAID1 Array (with GRUB Redundancy)

  This guide walks you through installing Debian onto a RAID1 array using either the **Debian Installer** or manually with `mdadm`, and ensures **GRUB is installed on both drives**—sSome readers

• III. - 🐧 Install Debian Linux

  Table of Contents ### **Instructions** In order to install and set up ggRock we would need to complete following steps: * [https://ggcircuit.atlassian.net/wiki/spaces/GKB/pages/158Few readers

• II. - 💾 Create a Bootable Debian Installer

  --- Table of Contents ### **Instructions** In order to install and set up ggRock we would need to complete following steps: * [https://ggcircuit.atlassian.net/wiki/spaces/GKB/pagesFew readers

• Install Debian OS (Deprecated)

  ## This article helps guide the user through the first step of the installation - Debian (Linux) OS. ### **Phase 1. Download and prepare flash drive** Download Debian 10 x86-64 .ISFew readers

• Appendix III: Install the GRUB Boot Loader

  --- **Appendix III:** Install the GRUB Boot Loader This article describes necessary steps for installing and configuring the GRUB boot loader to a software-based RAID1 array. --- #Few readers

Debian Server OS Troubleshooting

• View the ggRock Server Log

  This article describes steps necessary to view the log for the ggRock Server Application using journalctl. Exit Language: ### **View the ggRock Server Log** 1. Access the server coFew readers

• Wake on LAN Troubleshooting (Debian/ggRock Edition)

  --- none ## Part 1: Debian Linux – Sending a Wake-on-LAN Magic Packet 1. **Install a WOL utility** ``` sudo apt update sudo apt install wakeonlan ``` 2. **Enable “magic-packet” on Few readers

• Resolving System Instability and iSCSI Timeouts on Intel E800 Series (ICE) Adapters

  Resolving System Instability and iSCSI Timeouts on Intel E800 Series (ICE) Adapters Symptoms Systems utilizing Intel E810 or other 800-series network adapters (governed by the ice driver) may experience the following issues, particularly in diskless or iSCSI-booted environments: Complete System Hangs: The server becomes unresponsive during high I/O events, such as Virtual Machine (VM) boots or large file transfers. iSCSI Connection Drops: Kernel logs show `Did not receiveFew readers

• ggRock Server Offline - Disk Full

  GGRock Server Offline — Disk Full (Log Files) Applies to: GGRock servers running on Debian Linux Signs / Symptoms Unable to access the GGRock Web UI or Debian control panel — locally or via port 443 / 9090 Login attempts return: "The server didn't respond in time. Please try again later." Root Cause The /var/log partition has filled up with oversized logFew readers

Getting Started with ggRock

• ggRock Installation Guide

  ggRock Installation This master articles describes the entire process of the ggRock installation from start to finish, including special cases ggRock installation requires a set-upFeatured

• Recommended Top-Down Reboot Procedure for ggRock

  Recommended Top-Down Reboot Procedure for ggRock A top-down reboot is recommended when restarting the ggRock service, server, and network equipment. Perform it during a period when client machines can be shut down. Shut down all client PCs. In the ggRock UI, restart the ggRock service. Clear all writebacks while the machines are shut down. Shut down the ggRock server. Turn off all network equipment. Turn on the network equipment and wait about 5 minutes. Power on the ggRFew readers

• 📘 About ggRock - Table of Contents

  ### **ℹ️** **About ggRock** Articles in this section contain general information about ggRock and its usage. ### ⚙️ **How ggRock works** This article describes the basics of the ggFew readers

• Adding a New Machine Type to a ggRock Image using the ggRock IC Tool (Legacy Process)

  This article details processes for adding a new PC/motherboard type to an existing ggRock system image. ### **Problem** A new Machine type or motherboard type appears within your gFew readers

• Adding a New Machine Type to a ggRock Image using the ggRock Image Creation Tool (Deprecated)

  This article details processes for adding a new PC/motherboard type to an existing ggRock system image using the ggRock Image Creation Tool. Langue:**Problem** A new Machine type oFew readers

ggRock Administration

• Recommended Game Launcher Configuration

  Recommended Game Launcher Configuration This article describes recommended game launcher configuration when installing to your games drive ### **Table of Contents** ### [Battle.netPopular

• VII. - 🖼️ Create, Configure, and Test ggRock Images

  This guide walks you through setting up your **System Image** and **Games Image** in ggRock, and testing that everything works smoothly via PXE boot. --- Table of Contents ### **InSome readers

• Installing or Updating the ggLeap Client on a ggRock Machine

  ## Installing or Updating the ggLeap Client on a ggRock Machine This article describes steps necessary to install or update the ggLeap client on a ggRock Machine. ### General OutliSome readers

• ggRock Administration

  ### **Introduction and Theory** * [**How ggRock works**](https://help.ggcircuit.com/knowledge/how-ggrock-works) * [**Writebacks and Snapshots**](https://help.ggcircuit.com/knowledgSome readers

• Updating Games, Apps, or Other Software with ggRock (from a ggRock VM)

  Updating Games, Apps, or Other Software with ggRock (from a ggRock VM) This article describes the general procedure for updating games, apps, or other software when using ggRock, uSome readers

• Epic Games Launcher - Multiple System Images

  This article describes steps necessary to mitigate extra administrative work when using the Epic Games Launcher with Multiple System Images. ### **Problem** Multiple System Images Some readers

• ggRock Server and Application Ports

  This article describes the ports required for functionality of the ggRock application and Debian server OS administration. ### **Network Ports** This is the list of all ports requiFew readers

• ggRock Web UI Overview

  A visual guide to the new and improved ggRock Web UI. ### ggRock Web UI Overview ![](https://ggcircuit.atlassian.net/wiki/download/attachments/15861145/undefined-Mar-31-2025-12-36-Few readers

• ggRock Image Creation Tool Manual (Deprecated)

  A thorough guide to the (now deprecated) ggRock Image Creation Tool ### **Introduction** The ggRock Team acknowledges that a wide variety of hardware configurations exist in centerFew readers

• ggRock Machines

  ## Machines A visual guide to the Machines tab and all of its features. The main view of the ggRock Web UI is the Machines tab. On the Machines tab, several columns display informaFew readers

• Updating Games, Apps, or Other Software with ggRock (from a Physical Machine)

  This article describes the general procedure for updating games, apps, or other software when using ggRock, using a physical machine. ### **Problem** A game, application, or other Few readers

• 🎮 ggRock Games Drive: Recommended Configuration

  This guide provides recommended best practices for organizing your **Games Drive** in a ggRock environment. While there’s flexibility based on your preferences, following these guiFew readers

• Separating System Image from Games Images in ggRock

  Description of a request to hold system and game images on separate drives or arrays.**Problem** It may be desirable to separate System Images from Game Images in terms of the ggRoFew readers

• How to Install ggLeap to ggRock Machine

  Exit Language: English This article describes steps necessary to install the ggLeap client to a ggRock Machine. ![](https://ggcircuit.atlassian.net/wiki/download/attachments/158603Few readers

• 🔐 ggRock Security

  This article outlines the key security considerations you should take into account when planning to integrate ggRock into your infrastructure. --- ## 🧱 Infrastructure Exposure TherFew readers

• 🔥 Configuring iptables for ggRock Functionality

  This guide provides a reference configuration for setting up the `iptables` firewall to permit proper ggRock server and client functionality. > 📝 **Note:** > Replace any placeholdeFew readers

• ggLeap Startup Commands with Diskless Boot

  ggLeap Startup Commands with Diskless Boot This article aims to explain the process of configuring ggLeap startup commands when using a diskless boot solution ### **Problem** ggLeaFew readers

• Using a single ggRock Game Image with Multiple System Images

  Using a single ggRock Game Image with Multiple System Images This article describes how to configure one game image to be used with multiple system images ### **Problem** Your CentFew readers

• ggRock Images

  Images A visual and thorough guide to the Images tab. ### **Table of Contents** * [**About**](https://help.ggcircuit.com/knowledge/images#About) * [**Image Compatibility**](https:/Few readers

• Quick Guide on How to Use Wushowhide

  ## Wushowhide is a Microsoft troubleshooting tool that allows users to manage Windows updates by hiding or showing specific updates. It is useful for preventing the installation ofFew readers

• Adding new Drives to your Array

  ## Easy steps on how you can add new drives to your Array Once you have seated the new drives on your server #### Click configure Array ![](https://ggcircuit.atlassian.net/wiki/dowFew readers

• 🧠 How to Find the ggRock Server Address Using Command Prompt

  --- This article explains how to quickly locate the **ggRock Server IP address** using the built-in `ipconfig /all` command. The default gateway is typically your router’s IP addreFew readers

• Changing the Owner of a ggRock Server

  This article describes steps necessary to change the owner user of a ggRock server (this is the user that can perform offline actions). ### **Problem** As a center owner, it may beFew readers

• How to verify the status of the ggRock Service

  ## This article describes steps necessary to check the status of the ggRock server application using systemctl. ### **Check the status of the ggRock service** 1. Access the server Few readers

• Set Machine Hardware Name from ggRock

  This article describes how the user can set the name for the Machines using ggRock and ggLeap. **NOTE:** *As of ggRock 0.9, it is no longer necessary to run scripts such as this onFew readers

• Installing ggLeap to ggRock Machine

  ## This article describes steps necessary to install the ggLeap client to a ggRock Machine. Login to the ggLeap webadmin and download the ggLeap installer. ![](https://ggcircuit.atFew readers

• Steps to locate your ggRock Server IP address

  ## The intention of this article is to provide different ways to locate your ggRock server for admin tasks. **Open** a **Command Prompt** window on a PC booted to your ggRock serveFew readers

• Updating ggRock from the Command Line

  Updating ggRock from the Command Line This article describes the necessary steps to update ggRock from the command line. In some cases it may be desirable to run updates for ggRockFew readers

• Converting your Array from RAID0-RAID10 and RAID10-RAID0

  ## This article details steps necessary to convert from a RAID0 Array configuration to a RAID10 redundant configuration and back again. ### **Problem** If you did not configure a rFew readers

• Active Directory Support

  Enabling Active Directory Support in ggRock This guide outlines the steps to enable Active Directory (AD) Support for your system images within the ggRock Web UI. Once configured, any machine booting from the modified image will automatically attempt to bind to your AD domain. ⚠️ Critical Requirement: NetBIOS Naming Conventions Before enabling Active Directory, ensure your Machine Names in ggRock adhere to Microsoft NetBIOS standards. Failure to follow these rules will prevent machFew readers

• ggRock Server NIC speed checking

  ## This article describes steps necessary to check the NIC speed of your ggRock Server using the ifconfig command. ### **Check ggRock Server NIC Speed** 1. Access the server consolFew readers

• 🛡️ Fix: Call of Duty Secure Attestation Failing on ggRock Stations

  Call of Duty's Secure Attestation check can fail on ggRock diskless stations even when TPM 2.0 and Secure Boot both pass. This guide shows how to fix it with a ggLeap startup item that repairs each station's TPM certificate chain every time it boots. 📌 Symptoms The **Call of Duty SecureFew readers

• 🛠️ Fix: "Failed to Connect to Server" When Opening a VM Console (noVNC)

  When you open a VM from the ggRock admin panel, such as ToolchainVM or an image VM, the noVNC screen shows a red banner reading "Failed to connect to server", and the console never loads. 📌 Who This Affects Servers updated to Debian 12 or Debian 13 that are running a recent version of ggRock. 🔎 What Causes It The console connects through a WebSocket path that changed from `/wFew readers

• 🧱 Creating a RAID 10 Game Array in ggRock (First-Time Setup)

  ggRock builds RAID 10 from mirrored stripes, so you won't find "RAID 10" in the list of stripe types when you first set up the array. This guide shows how to build it from scratch on a new server, using four drives as the example. 📌 How RAID 10 Looks in ggRock In the Array tab, a RAID 10 array is shown as stripes, and each stripe is labeled Mirrored. With four drives you get two stripes with two drives each: Stripe 1 (Mirrored): drive 1 and drive 2 **Stripe 2 (MirroredFew readers

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ggRock Array

• TRIM Management

  This article summarizes the TRIM process and how ggRock uses this built-in facility of your hardware to maintain optimal performance. ### What is TRIM? Trimming is the process of eFew readers

• Array

  Array Addition, Removal, and Configuration of disks, management of arrays. ### **Table of Contents** * [**About**](#) * [**Array Status**](#) * [**Viewing Drive Information**](#) *Few readers

• 🔐 A Guide to RAID Array Types – Ranked by Data Security

  When setting up your ggRock system, choosing the right RAID type is crucial for balancing **data protection**, **performance**, and **storage capacity**. Below is a ranked list of Few readers

• How to add new Drives to your Array

  Easy steps on how you can add new drives to your Array Once you have seated the new drives on your server #### Click configure Array ![](https://ggcircuit.atlassian.net/wiki/downloFew readers

• How to Convert your Array from RAID0-RAID10 and RAID10-RAID0

  This article details steps necessary to convert from a RAID0 Array configuration to a RAID10 redundant configuration and back again. ### **Problem** If you did not configure a reduFew readers

• Replacing all ggRock Array Drives (Forklift Storage Upgrade)

  This article outlines the procedure for performing a "forklift" upgrade of all drives in your ggRock array. This process involves replacing all existing array drives with new ones,Few readers

• ggRock ZFS Array Planner

  ggRock Array PlannerFew readers

ggRock FAQ

• 🖥️ ggRock Hardware Requirements

  This article outlines the recommended hardware for ggRock and addresses common hardware-related questions. --- ### Hold Up! || If you're inundated with all this information don't wPopular

• 📥 How Writebacks and Snapshots Work in ggRock

  This article covers the fundamentals of ggRock’s diskless boot system—specifically, how **Writebacks** and **Snapshots** are used to manage changes to your Images. --- ## 💾 What IsSome readers

• 🧠 ggRock Basics: How It Works

  This article introduces the core concepts of ggRock, designed to help beginners understand the fundamentals of diskless booting. --- ## What is ggRock? ggRock is a **diskless boot Some readers

• ❓ ggRock FAQ – You've Got Questions, We've Got Answers!

  ## **Hold Up!** || If you're inundated with all this information don't worry, we're here to assist! || Reach out to us at sales@ggcircuit.com || We'll be more than happy to discussSome readers

• ggRock User Login Questions

  Common questions centering around ggRock Login ### **Q: How do I add multiple users to ggRock?** A: ggRock 1.0 includes a user management and permissions system. ### **Q: How is thSome readers

• 🔐 ggRock Licensing

  This article breaks down how ggRock licensing works, what restrictions apply, and how to stay within the limits of your license. --- ## 📘 Basic Licensing Concepts ggRock offers twoFew readers

• What version of Debian is supported by ggRock?

  ## The purpose of this article is to provide timely and accurate information regarding OS support requirements for the ggRock server application. ### ggRock supports Debian 11 (BulFew readers

• 🛍️ ggRock Bring Your Own Server FAQ

  To ensure the best performance and support experience, we recommend centers using ggRock image management software rely on a **ggCircuit-supplied and configured server**. ### Q: MyFew readers

ggRock Images

• Images

  Images A visual and thorough guide to the Images tab. none --- ### **About** Images are a logical way to categorize and organize the data we wish to store in ggRock. We refer to imSome readers

• ggLeap and ggRock Network Communication Requirements

  This article aims to provide network communication requirements for cloud-hosted ggCircuit services ### **Outbound IPs** * **Fastly:** ggLeap API runs through Fastly, requiring theSome readers

• Automated Snapshot and Writeback Removal

  || This article details the settings and usage of the automated snapshot and writeback removal facility within ggRock. ### **Problem** Without maintenance, over time snapshots willFew readers

ggRock Installation

• IV. - 🖥 Install the ggRock Server Application

  This guide walks you through the first-time installation of the ggRock Server Application. The process is mostly automated 🛠️ but does include some command-line work and basic fileSome readers

• VI. - ⚙️ Configure the ggRock Array

  --- This guide walks you through your **first-time ggRock Array setup**. The Array stores all your Windows system images and game/application images. Getting this right ensures speSome readers

• V. - 🚀 First-time Setup and Accessing the ggRock Server Application

  This guide provides step-by-step instructions for accessing the ggRock Server Application (ggRock Web UI) for the first time. The process involves logging in with a ggLeap account Some readers

• Install ggRock (Deprecated)

  ## This article helps guide the user through the second step of the installation - installing ggRock application package. In order to install ggRock you should have a server with DFew readers

• Appendix I: Multiple Server Network Interfaces

  This article outlines alternate steps for configuring the network if your server has multiple Network Interface Cards (NICs) installed. --- ## ⚙️ Configure the Network 1. On the **Few readers

• Install the Debian OS on Your Server

  ## This article describes the procedure for installing the recommended ggCircuit-Provided Unattended Debian OS Netinstall ISO image. ### **Table of Contents** * [**Executive SummarFew readers

• Install Guide - ggRock Server Application

  ## This guide provides a walkthrough of necessary steps for installing the ggRock application for the first time. #### Access Server Console Access the server console via a direct Few readers

• III. - 🐧 Install Debian Linux 13

  This guide walks you through installation of the Debian OS on your ggRock server. Table of Contents I. -📥 How to Download Debian and Rufus II. - 💾 Create a Bootable Debian Installer III. - 🐧 Install Debian Linux 🎯 You Are Here [**IV. - 🖥 Install the ggRock Server ApplicaFew readers

ggRock Machines

• ggRock Virtual Machines Administration manual

  This article aims to help users set up their ggRock Virtual Machines (VMs) as well as manage and operate them This functionality allows you to create Virtual Machines running basedFew readers

• Machines

  Machines A visual guide to the Machines tab and all of its features. The main view of the ggRock Web UI is the Machines tab. On the Machines tab, several columns display informatioFew readers

• Virtual Machines

  Creating and Using Virtual Machines Exit Language  ### *Few readers

• Changing a VM's Screen Resolution

  1. Boot up a VM in ggRock. 2. Put the VM in Admin Mode 3. When in Admin mode, hold Shift and Press Windows - it will reboot. 4. Click Troubleshoot>Advanced>UEFI Settings 5. Go to DFew readers

ggRock Portal

• Portal

  This article describes the "Portal" tab within the ggRock Web UI, which provides access to a mechanism to submit product ideas. ### **Submitting an idea** To submit an idea, click Few readers

ggRock Scheduler

• ggRock Scheduler

  This feature allows users to schedule a machine to Turn on, Restart or Shutdown. This also allows users to easily switch between their local drives powering the PCs and ggRock takiFew readers

• ggRock Scheduler - Adding New Behavior

  Behaviors are defined as a collection of related entries that describe the behavior of a machine. Similar to our ggLeaps very own PC groups function. It lets you apply schedule to Few readers

ggRock Settings

• Settings

  A visual and thorough guide to all settings available in ggRock Ex anguag Eli ### **Table of Contents** * [**General**](https://app.hubspot.com/knowledge/8226353/edit/57366107989#hFew readers

• Updates

  Exi * [**Update Safety**](https://app.crisp.chat/website/574ccbdb-fedc-4721-8ca2-1639892b6db8/helpdesk/articles/en/9448f129-85bb-43eb-aa94-5783bc6017ef/) * [**Badging**](https://apFew readers

• ggRock Settings Graphical Overview

  Few readers

ggRock Troubleshooting

• Cannot access ggRock Web UI, This site can't be reached

  This site can't be reached This article describes a workaround and a solution to an issue which might prevent access to the ggRock Web. ### **Problem** Cannot access the ggRock WebSome readers

• 🪟 How to Activate Windows on ggRock Systems

  Seeing that pesky **“Activate Windows”** watermark on your Machines? Whether it's showing up on the desktop or bleeding through the ggLeap UI — don't worry, we've got you covered! Some readers

• ggRock Troubleshooting

  ### **Booting Machines** * [ggRock Machine Secure Boot Violation when booting with a UEFI BIOS](https://ggcircuit.atlassian.net/wiki/x/yQfy) * ggRock Client Machine boot stuck on "Some readers

• FIFA 23 Install Guide (Windows 10 | ggRock)

  Guide on how to install FIFA 23 to avoid BSOD or boot loop issues for Windows 10 | ggRock ### Step 1 * Boot up your VM in local drives mode ### Step 2 * Log in to your EA Account aSome readers

• Grafana Repository Issue (2025 Version)

  ### What’s Going On? * The repository’s key (fingerprint `B53AE77BADB630A683046005963FA27710458545`) expired on **2025‑08‑23**. * This expired key causes the InRelease file signatuFew readers

• ggRock Expand your root logical volume

  Here’s a polished version of your guide with a professional tone, concise phrasing, and emojis as bullet points for clarity and engagement: --- # 🔧 Expanding the Root Logical VolumFew readers

• ggRock Client Machine boot stuck on "Media test failed, check cable."

  Client Machine boot stuck on "Media test failed, check cable." Media test failed check cable ### **Problem** The following error appears on bootup: PXE-E61: Media test failure, cheFew readers

• Cannot perform a remote backup to a Debian target server due to disabled root SSH access

  Unlocking SSH Under Root on Debian OS Target Server Via Terminal for Remote Backup ### **Problem** Cannot perform a remote backup to a Debian target server. Debian has SSH access uFew readers

• ggRock Client Machine boot stuck on "No more network devices"

  Connection timed out ([http://ipxe.org/4c126092)](http://ipxe.org/4c126092)) No more network devices. ### **Problem** The following error appears on bootup: Connection timed out ([Few readers

• 🛠️ Troubleshooting Client PC Performance Issues

  ## 🧪 Step-by-Step Diagnostic Procedure When a client machine is reported to be sluggish or underperforming, follow these steps to investigate: --- ### 1. 🌐 Check Network ConnectionFew readers

• ggRock Client Machine boot stuck on Windows loading icon (spinning dots)

  ### **Problem** Upon booting a ggRock-managed client, the operating system never loads, but rather becomes stuck at the Windows loading screen with a spinning indefinite progress iFew readers

• 🧩 PXE Boot Fails with PXE-E21 (Remote Host Cancelled)

  🧩 PXE Boot Fails with PXE-E21 (Remote Host Cancelled) Caused by Rogue DHCP Helper or Secondary DHCP Server 🔎 Overview This issue occurs when a ggRock server is configured for full DHCP + PXE, but another device on the same network segment is also responding to DHCP requests. Common client error: PXE-E21: Remote host cancelled This is almost always caused by: A DHCP helper (IP helper-address) A second DHCP server A PXE responder (Acronis, WDS, etc.) A network device rFew readers

• How to utilize memtest to test your ggRock server's memory

  Problem Client crashes, BSOD (blue screen), and other performance and reliability issues can be related to the RAM in your ggRock server if it is not ECC RAM. Solution Install and Few readers

• ggRock Machine Boot stuck on "Could not boot image: Error 0x3d222083"

  ### **Problem** The following error occurs during the boot process: Boot from SAN device 0x80 failed: Error 0x3d222083 ([http://ipxe.org/3d222083](http://ipxe.org/3d222083) ) CouldFew readers

• ggRock Client Machine boot stuck on "No DHCP or proxyDHCP offers were received."

  ### **Problem** The following error appears on bootup: PXE-E51: No DHCP or proxyDHCP offers were received. ![](https://ggcircuit.atlassian.net/wiki/download/attachments/15861375/unFew readers

• PXE Boot Troubleshooting

  This article details steps to troubleshoot connectivity during the PXE boot phase of ggRock ### Problem Computers fail to PXE boot with "No More Network Devices" or any other PXE-rFew readers

• Cannot boot one system, unable to delete from ggRock Web UI

  ### **Problem** A single PC in the center is unable to boot, and it cannot be deleted from the ggRock Web UI. The error message displayed may indicate "no more network devices". ##Few readers

• ggRock Machine Secure Boot Violation when booting with a UEFI BIOS

  Secure Boot Violation Invalid signature detected. Check Secure Boot Policy in Setup Reset/Clear Cryptographic Keys Disable Secure Boot ggRock Machine Secure Boot Violation when booFew readers

• ggRock Client Machine Used to Build Image - Cannot Boot to System Image

  ### **Problem** Cannot boot the Machine used to build a System Image via ggRock. If the system does boot successfully, changes to the System Image made do not appear in ggRock, no Few readers

• ggRock VM boot stuck on "Booting from SAN device 0x80"

  ### **Problem** Attempting to power on a VM results in the boot process hanging with an indefinite progress indicator from Windows, and/or "Booting from SAN device 0x80" as the lasFew readers

• ggRock Client Machine boot stuck on "Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key"

  Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key BIOS Configuration ggRock Server Check ### **Problem** The following error appearsFew readers

• How to check the status of the ggRock Service

  This article describes steps necessary to check the status of the ggRock server application using systemctl. ### **Check the status of the ggRock service** 1. Access the server conFew readers

• Detected Hardware Unit Hang

  Detected Hardware Unit Hang. This article aims to help users troubleshoot Detected Hardware Unit Hang errors that usually lead to a heavy performance impact on client PCs. This errFew readers

• Powering on all Machines in the center only results in a few being turned on

  Powering on multiple systems ### **Problem** When powering on all machines, only a few of them successfully boot. ### **Solution 1** The best solution to this problem is to configuFew readers

• ggRock System Image Windows Driver Installation (Missing Device Drivers)

  ### **Problem** General system instability, USB device issues, or other issues centered around inability to use devices, or devices non-functional. ### **Solution** Ensure that allFew readers

• 🛠️ Troubleshooting: Add Hardware Wizard Fails for Multiple Drivers on ggRock

  If the **Add Hardware** wizard in ggRock fails for multiple drivers, the issue may stem from the **Toolchain VM not obtaining an IP address**. This guide walks you through verifyinFew readers

• ggRock Client Machine Black Screen with Mouse Cursor Only

  Only A black screen with only a mouse cursor is displayed ### **Problem** PCs randomly display only a black screen with a mouse cursor. ### **Solution** Do not boot PCs with monitoFew readers

• ggRock indicates a VM is running when it is not, cannot control VM, internal server error

  ### **Problem** The ggRock server says a VM is running even when it is not. Cannot reboot the VM, shutdown the VM, or delete the VM. ### **Solution 1** Restart the ggRock service 1Few readers

• How to update network configuration using the ggRock Image Creation Tool

  ### **Problem** After some major feature updates (e.g. to Windows 10 20H2) the system image may be rendered un-bootable. ### **Solution** ### 1. Create a VM. **Create** (if not alrFew readers

• Cannot log into the ggRock Web UI

  ### **Problem** When attempting to log into the ggRock Web UI, a "Username or password is incorrect." error is displayed in the upper-right corner of the ggRock Web UI. ### **SolutFew readers

• ggRock Web UI Inaccessible, ggRock Client Machines will not boot (Advanced).

  This article describes a scenario where the root filesystem is full, resulting in Web UI inaccessibility and failure to boot Machines. ### **Problem** The ggRock Web UI is inaccessFew readers

• ggRock Fix BSOD on Reboot or Shutdown

  For customers experiencing a blue screen of death (BSOD) on restart or shutdown of their system. 1. Boot or reboot a PC to your latest system image snapshot 1. In ggRock enable **KFew readers

• Advanced: Remove current owner / license from a ggRock server

  Use this procedure when you need to dissociate a ggRock server from its current center — for example when the server is being sold or transferred so the buyer can register it to a Few readers

• Call of Duty: Warzone accounts shadowban using ggRock

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• Unable to locate target IQN errors in ggRock log

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• Windows Blue Screen on ggRock Boot after installation of some game titles

  Configure the setting pictured found via Control Panel -> System and Security -> System. ### Problem After installing some game titles or otherwise modifying the Windows "Crash DumFew readers

• Empty UI but PCs boot, console displays "Failed to add dependency on libvirtd, ignoring: Unknown error -22"

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• ggRock Client Machine boot stuck on "proxyDHCP offers were received. No DHCP offers were received."

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• Grafana - Conflicting Values set Error

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• Network Driver and RAM Issues

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• ggRock Client Machine boot stuck on "No boot filename received."

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• Esportal AntiCheat Causes Systems Freezes and Slowness

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• ggRock Client Machine Blue Screen "IO1_INITIALIZATION_FAILED"

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• ggRock Client Machine boot stuck on "Could not locate boot server."

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• Grafana Repository Issue

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• ggRock Client Machine boot stuck, Array Full

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• How to use Memtest to check the memory of your ggRock server

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• ggRock Machines Have Incorrect Drive Letter for Games Image

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• Internal Server Error, No Records Available, Machines and Array tabs Empty

  This article summarizes and provides a solution for a situation which can result in internal server errors and blank displays for Machines, Array, and Images ### Problem "Internal Few readers

• ggRock Server Unreachable, ZFS crashing, ggrock-linux-configurator not updating IP

  ggRock Machines Unable to Boot Error Message "Internal Server Error" is displayed in the ggRock Web UI whenever you click on the "Machines" or "Array" tab. Troubleshooting steps inFew readers

• Internal Server Error: No records found. The Machines and Array tabs are empty.

  ## This article summarizes and provides a solution for a situation which can result in internal server errors and blank displays for Machines, Array, and Images ### Problem "InternFew readers

• ggRock Client Machine boot stuck on "Nothing to boot: No such file or directory"

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• ggRock Client Machine Blue Screen - "inaccessible boot device"

  ### **Problem** The following blue screen appears: INACCESSIBLE\_BOOT\_DEVICE ![](https://ggcircuit.atlassian.net/wiki/download/attachments/15861259/undefined-Mar-31-2025-02-26-41-Few readers

• Slow machines and freezes - Network Cable Issue

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• Grafana Stops Working After Debian Updates

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• ggRock Machines consume twice the IP addresses. Double provisioning of IP addresses for ggRock

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• ggRock Client Machine boot stuck on "Filename: http://xxxxxxxx... [connecting]

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• ggRock Client Machine has either minor hardware differences, or has the same hardware but requires re-installing drivers to function

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• ggRock License Inactive - Expired

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• Counter-Strike: Global Offensive - Trust Factor Issues - ggLeap Client

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• Can't apply writeback "Keeping writeback for an old snapshot is not allowed"

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• After a new installation of ggRock, unable to change password or log in due to being returned to the initial login screen (0.1.853 ONLY)

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• How to modify network settings with the ggRock Image Creation Tool

  ### **Problem** After some major feature updates (e.g. to Windows 10 20H2) the system image may be rendered un-bootable. ### **Solution** ### 1. Create a VM. **Create** (if not alrFew readers

• Keep Writebacks doesn't get Enabled

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• When using a RAID 5 Array, space is not displayed appropriately in the ggRock Web UI Array Tab

  ### **Problem** The ggRock Array is configured as RAID 5. After RAID parity, the Array usage/free space is misrepresented which may result in running out of space on the array premFew readers

• ggRock Machines missing from Machines tab after Linux Kernel Update - HTTP 5xx Server Error No More network devices

  This article details linux administration tasks necessary if a Linux kernel update results in an inability for ggRock to function. ### **Problem** ggRock Machines are missing from Few readers

• Booting Many ggRock Machines at Once Results in a large portion of the PCs not loading data on boot (files missing on System and Games drive

  Problem Restarting numerous PCs, all load normally, however some are missing data (missing files from Games or System image drives in Windows). Solution Access the Grafana logging facility NOTE: Refer to the Stats Article for information on how to access the Grafana*** logging facility to monitor performance of your ggRock Server. If you have enabled VMs on your ggRock server, set the network log toFew readers

• Cannot delete old snapshots to free up space (Internal Server Error)

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• Getting Device Ready Boot Loop After Image Creation

  ### Problem After creation of a new image using the ggRock Image Creation Tool (In this case, Windows 10 Education Edition Build 21H1), the system's boot loop (In this case, AlienwFew readers

• Diskless PCs Fail to PXE Boot After a Meraki/Cisco Switch Firmware Upgrade (STP Edge-Port / PortFast Fix)

  Diskless PCs Fail to PXE Boot After a Meraki/Cisco Switch Firmware Upgrade (STP Edge-Port / PortFast Fix) Diskless client PCs stop PXE booting fleet-wide because the switch's access ports no longer forward traffic immediately on link-up. The fix is to mark those ports as edge ports (PortFast / BPDU Guard). Field Detail Applies to ggRock + ggLeap diskless deployments behind a managed switch Affected switches | Meraki-managed Catalyst, Cisco IOS-XE, and any switch runnFew readers

• Grafana shows N/A and Prometheus won't stay running (duplicate command-line flag)

  Grafana shows N/A and Prometheus won't stay running (duplicate command-line flag) When Prometheus exits on startup with a "flag cannot be repeated" error, Grafana panels show N/A or no data. This is usually caused by the same flag being set in two places. This article shows how to confirm it and fix it so it survives future updates. Symptoms Grafana panels show N/A or display no statistics. The Prometheus service won't stay running; systemctl status prometheus shows it failedFew readers

• Troubleshooting ggRock Client Agent Not Starting at Boot

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• ggRock client fails to connect to the server (SignalR negotiate returns 405)

  ggRock client fails to connect to the server (SignalR negotiate returns 405) A redirect in the ggRock server's Nginx config can stop the ggRock client from communicating with the server, which appears as the client failing to start and looping. This article explains why it happens, how to confirm it, and how to fix it. Symptoms The ggRock client fails to start and immediately shuts down, looping on every boot. The client cannot communicate with the ggRock server, so any function thFew readers

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PC Hardware Administration and Troubleshooting

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• 🔧 BIOS Configuration for PXE Boot FAQ

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• 🛡️ Configuring Secure Boot BIOS Settings for ggRock

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• 🧯 BIOS Update Troubleshooting: System Won’t Boot to ggRock

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• ggRock Secure Boot shim chain

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Using ggRock

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• ggRock Stats (Grafana) Manual

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• 🔗 How to Map a Network Drive in Windows

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• Enable / Disable Windows Auto-Login

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• How to Use Wushowhide: A Quick Guide

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Windows Installation

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