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az vm boot-diagnostics

  • Reference

Troubleshoot the startup of an Azure Virtual Machine.

Use this feature to troubleshoot boot failures for custom or platform images.

Commands

Name Description Type Status
az vm boot-diagnostics disable

Disable the boot diagnostics on a VM.

 Core GA
az vm boot-diagnostics enable

Enable the boot diagnostics on a VM.

 Core GA
az vm boot-diagnostics get-boot-log

Get the boot diagnostics log from a VM.

 Core GA
az vm boot-diagnostics get-boot-log-uris

Get SAS URIs for a virtual machine's boot diagnostic logs.

 Core GA

az vm boot-diagnostics disable

Edit

Disable the boot diagnostics on a VM.

az vm boot-diagnostics disable [--ids]
                               [--name]
                               [--resource-group]
                               [--subscription]

Examples

Disable boot diagnostics on all VMs in a resource group.

az vm boot-diagnostics disable --ids $(az vm list -g MyResourceGroup --query "[].id" -o tsv)

Disable the boot diagnostics on a VM

az vm boot-diagnostics disable --ids $(az vm list --resource-group MyResourceGroup --query "[].id" -o tsv) --name MyVirtualMachine --resource-group MyResourceGroup

Optional Parameters

--ids

One or more resource IDs (space-delimited). It should be a complete resource ID containing all information of 'Resource Id' arguments. You should provide either --ids or other 'Resource Id' arguments.

--name -n

The name of the Virtual Machine. You can configure the default using az configure --defaults vm=<name>.

--resource-group -g

Name of resource group. You can configure the default group using az configure --defaults group=<name>.

--subscription

Name or ID of subscription. You can configure the default subscription using az account set -s NAME_OR_ID.

Global Parameters
--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--only-show-errors

Only show errors, suppressing warnings.

--output -o

Output format.

Accepted values: json, jsonc, none, table, tsv, yaml, yamlc
Default value: json
--query

JMESPath query string. See http://jmespath.org/ for more information and examples.

--subscription

Name or ID of subscription. You can configure the default subscription using az account set -s NAME_OR_ID.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

az vm boot-diagnostics enable

Edit

Enable the boot diagnostics on a VM.

az vm boot-diagnostics enable [--ids]
                              [--name]
                              [--resource-group]
                              [--storage]
                              [--subscription]

Examples

Enable boot diagnostics on all VMs in a resource group.

az vm boot-diagnostics enable --storage https://mystor.blob.core.windows.net/ --ids $(az vm list -g MyResourceGroup --query "[].id" -o tsv)

Enable the boot diagnostics on a VM. (autogenerated)

az vm boot-diagnostics enable --name MyVirtualMachine --resource-group MyResourceGroup --storage https://mystor.blob.core.windows.net/

Optional Parameters

--ids

One or more resource IDs (space-delimited). It should be a complete resource ID containing all information of 'Resource Id' arguments. You should provide either --ids or other 'Resource Id' arguments.

--name -n

The name of the Virtual Machine. You can configure the default using az configure --defaults vm=<name>.

--resource-group -g

Name of resource group. You can configure the default group using az configure --defaults group=<name>.

--storage

Name or URI of a storage account (e.g. https://your_storage_account_name.blob.core.windows.net/). If it's not specified, managed storage will be used.

--subscription

Name or ID of subscription. You can configure the default subscription using az account set -s NAME_OR_ID.

Global Parameters
--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--only-show-errors

Only show errors, suppressing warnings.

--output -o

Output format.

Accepted values: json, jsonc, none, table, tsv, yaml, yamlc
Default value: json
--query

JMESPath query string. See http://jmespath.org/ for more information and examples.

--subscription

Name or ID of subscription. You can configure the default subscription using az account set -s NAME_OR_ID.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

az vm boot-diagnostics get-boot-log

Edit

Get the boot diagnostics log from a VM.

az vm boot-diagnostics get-boot-log [--ids]
                                    [--name]
                                    [--resource-group]
                                    [--subscription]

Examples

Get diagnostics logs for all VMs in a resource group.

az vm boot-diagnostics get-boot-log --ids $(az vm list -g MyResourceGroup --query "[].id" -o tsv)

Get the boot diagnostics log from a VM. (autogenerated)

az vm boot-diagnostics get-boot-log --name MyVirtualMachine --resource-group MyResourceGroup

Optional Parameters

--ids

One or more resource IDs (space-delimited). It should be a complete resource ID containing all information of 'Resource Id' arguments. You should provide either --ids or other 'Resource Id' arguments.

--name -n

The name of the Virtual Machine. You can configure the default using az configure --defaults vm=<name>.

--resource-group -g

Name of resource group. You can configure the default group using az configure --defaults group=<name>.

--subscription

Name or ID of subscription. You can configure the default subscription using az account set -s NAME_OR_ID.

Global Parameters
--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--only-show-errors

Only show errors, suppressing warnings.

--output -o

Output format.

Accepted values: json, jsonc, none, table, tsv, yaml, yamlc
Default value: json
--query

JMESPath query string. See http://jmespath.org/ for more information and examples.

--subscription

Name or ID of subscription. You can configure the default subscription using az account set -s NAME_OR_ID.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

az vm boot-diagnostics get-boot-log-uris

Edit

Get SAS URIs for a virtual machine's boot diagnostic logs.

az vm boot-diagnostics get-boot-log-uris [--expire]
                                         [--ids]
                                         [--name]
                                         [--resource-group]
                                         [--subscription]

Examples

Get SAS URIs for a virtual machine's boot diagnostic logs.

az vm boot-diagnostics get-boot-log-uris -g MyResourceGroup -n MyVirtualMachine

Optional Parameters

--expire

Expiration duration in minutes for the SAS URIs with a value between 1 to 1440 minutes. If not specified, SAS URIs will be generated with a default expiration duration of 120 minutes.

--ids

One or more resource IDs (space-delimited). It should be a complete resource ID containing all information of 'Resource Id' arguments. You should provide either --ids or other 'Resource Id' arguments.

--name -n

The name of the Virtual Machine. You can configure the default using az configure --defaults vm=<name>.

--resource-group -g

Name of resource group. You can configure the default group using az configure --defaults group=<name>.

--subscription

Name or ID of subscription. You can configure the default subscription using az account set -s NAME_OR_ID.

Global Parameters
--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--only-show-errors

Only show errors, suppressing warnings.

--output -o

Output format.

Accepted values: json, jsonc, none, table, tsv, yaml, yamlc
Default value: json
--query

JMESPath query string. See http://jmespath.org/ for more information and examples.

--subscription

Name or ID of subscription. You can configure the default subscription using az account set -s NAME_OR_ID.

--verbose

Increase logging verbosity. Use --debug for full debug logs.