A technical blog about Azure, DevOps, cloud infrastructure, and everything in between by Marco Mansi.https://blog.olandese.nl/https://blog.olandese.nl/cost-effective-ipsec-site-to-site-vpn-with-azure-and-udm-on-ubuntu-26-04/https://blog.olandese.nl/cost-effective-ipsec-site-to-site-vpn-with-azure-and-udm-on-ubuntu-26-04/Connect a UniFi UDM to Azure with a site-to-site IPsec VPN for a few euros per month, using strongSwan 6 and swanctl on an Ubuntu 26.04 VM.Fri, 12 Jun 2026 00:00:00 GMTAzureIPsecstrongSwanswanctlSite-to-Site VPNUniFiUDMUbuntuWireGuardhttps://blog.olandese.nl/auto-scale-github-runners-and-ado-agents-with-azure-container-apps-jobs-and-workload-profiles/https://blog.olandese.nl/auto-scale-github-runners-and-ado-agents-with-azure-container-apps-jobs-and-workload-profiles/Run self-hosted GitHub runners and Azure DevOps agents on Azure Container Apps Jobs with KEDA auto-scaling and Workload Profiles, deployed with Terraform.Sun, 02 Jul 2023 00:00:00 GMTAuto ScalingAzureAzure Container AppsAzure Container Apps JobsAzure DevOps AgentsGitHubGitHub ActionsGitHub RunnersKEDAPrivate RunnersTerraformhttps://blog.olandese.nl/using-azure-managed-identity-with-net-core-on-azure-devops-agents/https://blog.olandese.nl/using-azure-managed-identity-with-net-core-on-azure-devops-agents/Run .NET Core code that uses Azure Managed Identity and the AppAuthentication library on Azure DevOps hosted and private agents, with MSI workarounds.Tue, 16 Jul 2019 00:00:00 GMT.NET CoreAzureAzure CLIAzure DevOpsC#https://blog.olandese.nl/using-git-submodules-in-private-azure-devops-repositories/https://blog.olandese.nl/using-git-submodules-in-private-azure-devops-repositories/Fix the 'could not read Password' Git submodule clone error in private Azure DevOps repos by using URLs relative to the main repository in .gitmodules.Sun, 14 Jul 2019 00:00:00 GMTAzure DevOpsGithttps://blog.olandese.nl/solve-system-threading-tasks-taskcanceledexception-the-operation-was-canceled-on-ubuntu-18-04-in-net-core-2-2/https://blog.olandese.nl/solve-system-threading-tasks-taskcanceledexception-the-operation-was-canceled-on-ubuntu-18-04-in-net-core-2-2/Fix TaskCanceledException 'The operation was canceled' in .NET Core 2.2 HttpClient on Ubuntu 18.04 by installing the self-signed root certificate.Fri, 12 Jul 2019 00:00:00 GMT.NET CoreAzure DevOpsC#https://blog.olandese.nl/run-elasticsearch-image-on-azure-container-instances/https://blog.olandese.nl/run-elasticsearch-image-on-azure-container-instances/How to fix the vm.max_map_count is too low error when running the Elasticsearch Docker image on Azure Container Instances by switching to the Alpine image.Wed, 19 Dec 2018 00:00:00 GMThttps://blog.olandese.nl/create-an-event-grid-subscription-to-an-azure-function-v2/https://blog.olandese.nl/create-an-event-grid-subscription-to-an-azure-function-v2/Create an Event Grid subscription to an Azure Functions V2 Event Grid trigger, including the changed SystemKey endpoint and a PowerShell automation script.Tue, 16 Oct 2018 00:00:00 GMT.NETAzureAzure Functions V2Event GridSoftware Developmenthttps://blog.olandese.nl/make-your-vsts-extensions-smarter-with-endpoints-datasource-bindings/https://blog.olandese.nl/make-your-vsts-extensions-smarter-with-endpoints-datasource-bindings/Make VSTS extension tasks smarter with dataSourceBindings: populate pickList dropdowns from Azure REST APIs, chain inputs, and add custom data sources.Wed, 01 Aug 2018 00:00:00 GMTVSTShttps://blog.olandese.nl/create-a-sharded-mongodb-in-azure-cosmos-db/https://blog.olandese.nl/create-a-sharded-mongodb-in-azure-cosmos-db/Create a sharded MongoDB collection in Azure Cosmos DB with the Azure CLI, working around a partition key bug with the $v pattern in a working bash script.Wed, 13 Dec 2017 00:00:00 GMTAzureAzure CLI 2.0Azure Cosmos DBMongoDBhttps://blog.olandese.nl/get-cognitive-services-keys-and-endpoint-in-an-arm-template/https://blog.olandese.nl/get-cognitive-services-keys-and-endpoint-in-an-arm-template/An ARM template that retrieves Azure Cognitive Services API keys and endpoint using listKeys and reference, ready to reuse in a Logic App connection.Wed, 20 Sep 2017 00:00:00 GMTARMAzureAzure Cognitive ServicesAzure Resource Managerhttps://blog.olandese.nl/mount-your-azure-cloud-shell-to-another-storage-account/https://blog.olandese.nl/mount-your-azure-cloud-shell-to-another-storage-account/Two ways to attach Azure Cloud Shell to a storage account of your choice instead of the auto-generated one, using clouddrive unmount and clouddrive mount.Thu, 07 Sep 2017 00:00:00 GMTAzureAzure Cloud Shellhttps://blog.olandese.nl/create-output-variables-with-azure-cli-2-0/https://blog.olandese.nl/create-output-variables-with-azure-cli-2-0/Learn how to store Azure CLI 2.0 command output in Bash variables using JMESPath queries and the tsv output format, so you can reuse values in later commands.Wed, 30 Aug 2017 00:00:00 GMTAzureAzure CLI 2.0https://blog.olandese.nl/solve-docker-for-windows-error-a-firewall-is-blocking-file-sharing-between-windows-and-the-containers/https://blog.olandese.nl/solve-docker-for-windows-error-a-firewall-is-blocking-file-sharing-between-windows-and-the-containers/Fix the Docker for Windows firewall error that blocks drive sharing with containers by reinstalling File and Printer Sharing on the DockerNAT adapter.Wed, 03 May 2017 00:00:00 GMTDockerDocker for Windowshttps://blog.olandese.nl/azure-hidden-gems-resource-policies/https://blog.olandese.nl/azure-hidden-gems-resource-policies/Use Azure Resource Policies for subscription governance: deny resource creation without required tags, with PowerShell examples to define and assign policies.Sun, 26 Feb 2017 00:00:00 GMTAzureAzure Resource Managerhttps://blog.olandese.nl/a-better-way-and-script-to-add-a-service-principal-in-azure-for-vsts/https://blog.olandese.nl/a-better-way-and-script-to-add-a-service-principal-in-azure-for-vsts/A PowerShell script that creates an Azure AD Service Principal for VSTS deployments scoped to specific resource groups instead of the whole subscription.Mon, 30 Jan 2017 00:00:00 GMTAzurePowerShellVSTShttps://blog.olandese.nl/demystifying-net-core-sdk-versions/https://blog.olandese.nl/demystifying-net-core-sdk-versions/How to pin a specific .NET Core SDK version with global.json, plus an overview mapping confusing SDK folder names to the .NET Core versions they install.Thu, 12 Jan 2017 00:00:00 GMT.NET CoreSoftware Developmenthttps://blog.olandese.nl/solve-401-unauthorized-error-when-restoring-packages-using-vsts-package-management-and-net-core/https://blog.olandese.nl/solve-401-unauthorized-error-when-restoring-packages-using-vsts-package-management-and-net-core/Fix the 401 Unauthorized error when restoring VSTS Package Management feeds in a .NET Core build by switching to the NuGet Restore task on version 3.5.0.Mon, 26 Dec 2016 00:00:00 GMT.NET.NET CoreBuildPackage ManagementVSTShttps://blog.olandese.nl/setting-up-vsts-with-arm-templates/https://blog.olandese.nl/setting-up-vsts-with-arm-templates/Set up VSTS Build and Release for Azure Resource Manager linked templates: validate templates in the build, publish artifacts, and deploy per environment.Wed, 21 Dec 2016 00:00:00 GMTAzureAzure Resource ManagerBuildReleaseVSTShttps://blog.olandese.nl/vsts-task-delete-resource-group-if-empty/https://blog.olandese.nl/vsts-task-delete-resource-group-if-empty/VSTS marketplace task that deletes an Azure Resource Group only if it is empty, handy after testing ARM deployments with Test-AzureRmResourceGroupDeployment.Mon, 19 Dec 2016 00:00:00 GMTAzureAzure Resource ManagerVSTShttps://blog.olandese.nl/dutch-azure-meetup/https://blog.olandese.nl/dutch-azure-meetup/Announcing the Dutch Azure Meetup, a community for hands-on Azure learning, with a first event covering Docker and Azure Container Service on June 2nd.Fri, 15 Apr 2016 00:00:00 GMTAzureDutch Azure Meetuphttps://blog.olandese.nl/get-subscription-id-in-an-azure-resource-manager-template/https://blog.olandese.nl/get-subscription-id-in-an-azure-resource-manager-template/Use the subscription() resource function to get the Azure subscription id at deployment time in an ARM template, without hardcoding it or using a parameter.Thu, 24 Mar 2016 00:00:00 GMTAzurehttps://blog.olandese.nl/hdinsight-error-with-external-metastore-unable-to-instantiate-org-apache-hadoop-hive-ql-metadata-sessionhivemetastoreclient/https://blog.olandese.nl/hdinsight-error-with-external-metastore-unable-to-instantiate-org-apache-hadoop-hive-ql-metadata-sessionhivemetastoreclient/Fix the HDInsight error Unable to instantiate SessionHiveMetaStoreClient: dashes in the external Hive metastore database name trigger a known Hadoop bug.Sun, 06 Mar 2016 00:00:00 GMTAzureHDInsighthttps://blog.olandese.nl/access-synology-dsm-from-the-internet-with-a-reverse-proxy/https://blog.olandese.nl/access-synology-dsm-from-the-internet-with-a-reverse-proxy/Securely access Synology DSM over HTTPS from the internet by configuring an Apache reverse proxy virtual host on the NAS, with paths for DSM 4 and DSM 5.Thu, 22 Nov 2012 00:00:00 GMTApacheDSMreverse proxySynologyhttps://blog.olandese.nl/install-windows-with-uefi-on-dell-latitude/https://blog.olandese.nl/install-windows-with-uefi-on-dell-latitude/How to install Windows 8 in UEFI mode on a Dell Latitude E6510: prepare a UEFI-bootable USB stick and fix the black screen with the Fast Boot BIOS setting.Wed, 29 Aug 2012 00:00:00 GMTInstallationUEFIWindowshttps://blog.olandese.nl/windows-8-keyboard-shortcuts-summary/https://blog.olandese.nl/windows-8-keyboard-shortcuts-summary/A quick summary of Windows 8 keyboard shortcuts, from Win+E and Win+D to Win+X admin tools and snapping apps, based on Scott Hanselman's productivity post.Wed, 29 Aug 2012 00:00:00 GMTWindowsWindows 8https://blog.olandese.nl/install-openelec-1-0-2-on-asrock-ion-3d-152d-and-a-logitech-harmony-remote-2/https://blog.olandese.nl/install-openelec-1-0-2-on-asrock-ion-3d-152d-and-a-logitech-harmony-remote-2/Step-by-step guide to installing OpenElec 1.0.2 on an Asrock ION 3D 152d, fixing HDMI audio, and configuring a Logitech Harmony remote for XBMC.Sat, 05 Nov 2011 00:00:00 GMTAsrock ION 3D 152dLogitech HarmonyOpenElecxbmchttps://blog.olandese.nl/run-sabnzbd-behind-apache-on-synology/https://blog.olandese.nl/run-sabnzbd-behind-apache-on-synology/Configure Apache on a Synology NAS as a reverse proxy for SABnzbd with HTTPS and basic authentication, including config file paths for DSM 4 and DSM 5.Tue, 27 Sep 2011 00:00:00 GMTApacheSabnzbd+Synologyhttps://blog.olandese.nl/blocking-access-to-application-pages-_layouts-and-forms-pages/https://blog.olandese.nl/blocking-access-to-application-pages-_layouts-and-forms-pages/Block authenticated SharePoint 2010 users from application pages like _layouts by enabling the ViewFormPagesLockDown feature and adjusting permission levels.Thu, 22 Sep 2011 00:00:00 GMTSecuritySharepoint 2010https://blog.olandese.nl/official-dotnetnuke-6-0-product-launch/https://blog.olandese.nl/official-dotnetnuke-6-0-product-launch/Report from the DotNetNuke 6.0 launch at Microsoft Schiphol: the core moves from VB.NET to C#, a new GUI, and a SharePoint Connector in the Enterprise Edition.Wed, 21 Sep 2011 00:00:00 GMTDotNetNuke