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Create a helper script to turn on kernel dump gathering
Signed-off-by: Vitalii Chulak <[email protected]>
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# This script enables the "Always Keep Memory Dump" feature in Windows | ||
# by setting the appropriate registry key. | ||
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# Copyright (c) 2024 Red Hat, Inc. and/or its affiliates. All rights reserved. | ||
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# Redistribution and use in source and binary forms, with or without | ||
# modification, are permitted provided that the following conditions | ||
# are met: | ||
# 1. Redistributions of source code must retain the above copyright | ||
# notice, this list of conditions and the following disclaimer. | ||
# 2. Redistributions in binary form must reproduce the above copyright | ||
# notice, this list of conditions and the following disclaimer in the | ||
# documentation and/or other materials provided with the distribution. | ||
# 3. Neither the names of the copyright holders nor the names of their contributors | ||
# may be used to endorse or promote products derived from this software | ||
# without specific prior written permission. | ||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND | ||
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE | ||
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
# SUCH DAMAGE. | ||
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# Ensure the script runs with an unrestricted execution policy (for Windows 10 and Windows Server 2016) | ||
# Set-ExecutionPolicy -ExecutionPolicy Unrestricted -Scope Process -Force | ||
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$RegistryPath = "HKLM:\System\CurrentControlSet\Control\CrashControl" | ||
$ValueName = "AlwaysKeepMemoryDump" | ||
$ValueData = 1 | ||
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if (-Not (Test-Path $RegistryPath)) { | ||
New-Item -Path $RegistryPath -Force | Out-Null | ||
} | ||
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Set-ItemProperty -Path $RegistryPath -Name $ValueName -Value $ValueData -Type DWord | ||
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$SetValue = Get-ItemProperty -Path $RegistryPath -Name $ValueName | ||
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if ($SetValue.AlwaysKeepMemoryDump -eq $ValueData) { | ||
Write-Output "Successfully set AlwaysKeepMemoryDump registry value to $ValueData" | ||
} else { | ||
Write-Output "Failed to set AlwaysKeepMemoryDump registry value." | ||
} |
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Copyright 2024 Red Hat, Inc. and/or its affiliates. | ||
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Redistribution and use in source and binary forms, with or without | ||
modification, are permitted provided that the following conditions | ||
are met: | ||
|
||
Redistributions of source code must retain the above copyright | ||
notice, this list of conditions and the following disclaimer. | ||
|
||
Redistributions in binary form must reproduce the above copyright | ||
notice, this list of conditions and the following disclaimer in the | ||
documentation and/or other materials provided with the distribution. | ||
|
||
Neither the name of the copyright holder nor the names of its | ||
contributors may be used to endorse or promote products derived from | ||
this software without specific prior written permission. | ||
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||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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# Helper Scripts | ||
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This directory contains various helper scripts for use with the KVM Guest Drivers for Windows. | ||
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## Overview | ||
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These PowerShell scripts are designed to assist with system configuration, diagnostics, and management tasks related to KVM guest drivers on Windows systems. | ||
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## Current Scripts | ||
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### EnableKernelMemoryDump.ps1 | ||
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This script enables the "Always Keep Memory Dump" feature in Windows by setting the appropriate registry key. | ||
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#### What it does | ||
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1. Sets the `AlwaysKeepMemoryDump` registry value to 1 under `HKLM:\System\CurrentControlSet\Control\CrashControl`. | ||
2. Verifies the change and outputs the result. | ||
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## Planned Scripts | ||
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Additional helper scripts are planned for this directory. They may include: | ||
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- System information collection | ||
- Driver installation and management | ||
- Performance optimization for KVM guests | ||
- Troubleshooting tools | ||
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## Usage Guidelines | ||
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1. **Prerequisites:** | ||
- PowerShell (Windows 10/Windows Server 2016 or later recommended) | ||
- Administrative privileges (for scripts that modify system settings) | ||
- Ensure scripts run with an appropriate execution policy: | ||
```powershell | ||
Set-ExecutionPolicy -ExecutionPolicy Bypass -Scope Process -Force | ||
``` | ||
2. **Running Scripts:** | ||
- Open PowerShell as an administrator. | ||
- Navigate to the script's directory. | ||
- Execute the desired script, e.g.: | ||
```powershell | ||
.\ScriptName.ps1 | ||
``` | ||
3. **Output:** | ||
- Each script will provide its own output, which may include: | ||
- Console messages | ||
- Log files | ||
- Modified system settings | ||
## Contributing | ||
Contributions to this collection of helper scripts are welcome. If you have ideas for new scripts or improvements to existing ones, please consider the following: | ||
1. Ensure your script has a clear, descriptive name. | ||
2. Include detailed comments explaining the scripts purpose and usage. | ||
3. Follow existing style conventions and PowerShell best practices. | ||
4. Update this README with information about new scripts. | ||
5. If applicable, include error handling and logging. | ||
## Disclaimer | ||
These scripts may modify system settings. Use them at your own risk and always back up your system before making changes. |