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Auto-Reset Azure VPN Gateway at Alert

The Scenario The diagram above shows two virtual networks in which several VMs are placed. All VMs require a local DNS server that can be reached via the VPN gateway. The network is accordingly peered (with Use Remote Gateway and… Weiterlesen →

Reset VPN-Gateway with Runbook

If you need to reset a VPN-Gateway, an Azure Runbook is a good way of implementation. And the command to reset is very simple: Reset-AzVirtualNetworkGateway But if the runbook was called several times, for example from several alerts, the reset… Weiterlesen →

Ein Jahr voller Azure Meetups 👏

Mitte letzten Jahres haben wir mit dem Meetup begonnen und nun ist schon wieder ein Jahr um. Wir hatten 6 Treffen in 2019 und eines davon sogar das Global Azure Bootcamp. Der Januar ist bereits in Planung und die Mitgliederzahl… Weiterlesen →

Deploy DebugContainer to Kubernetes

For a test of the DebugContainer on a Kubernetes cluster, I have created a corresponding deployment file. It sets up the same environment as described in Debug Container for simple Tests/Analyzing and is located here: k8s_deployment.yaml. The green service is… Weiterlesen →

Multiple Ways for Jobs in Azure

A few weeks ago, a colleague asked me how he should do a simple job in Azure. Googling is a quick way to get on WebJobs or Azure Batch, but is rarely suitable for a specific problem. In our case,… Weiterlesen →

Docker (Windows with Hyper-V) can not bind ports

Sometimes I get the error message:docker.exe: Error response from daemon: driver failed programming external connectivity on endpoint infallible_kapitsa (c7baca25c4e65da8aa6e592e7fb9ed81c0f55a3f7891e93c62a79819007f4e61): Error starting userland proxy: listen tcp 0.0.0.0:1234: bind: Der Zugriff auf einen Socket war aufgrund der Zugriffsrechte des Sockets unzulĂ€ssig. The… Weiterlesen →

Access Azure Blob Storage with REST and SAS

If you want to upload or download files to an Azure Storage Account, there are several options. Especially easy is the AzCopy tool. It allows file transfer on command line.The second way is through the Storage REST API. Interesting are… Weiterlesen →

Debug Container for simple Tests/Analyzing

The Microsoft employee Daniel Meixner (Blog, Twitter) had created a debug container. It is based on NodeJS and provides some calls. For example, the call / provides information about the container itself and displays the provided parameters. The function /api/cascade… Weiterlesen →

Creating Azure VM based on local VHD Files

Update December 2019:It is now possible to create an empty managed disk in Azure an upload a local VHD file directly in it. Therefore it is not necessary to upload the VHD in a storage account and deleting it afterwards…. Weiterlesen →

Mount CIFS in Docker Container

An easy way to exchange data is Azure Files. The corresponding FileShare can simply be integrated as a network drive in Windows or as a CIFS mount in Linux. However, if a file share is also to be integrated in… Weiterlesen →

Move Data between On-Premises and Azure

One of the first and most frequently asked questions is: “How do I get my local data to Azure now?” There are many different ways to do this. A small (incomplete) list can be found here: Solution Pros Cons FTP… Weiterlesen →

Find matching Azure VMs with Excel and Solver-Add-In

Sometimes customers want a first rough indication of Azure running costs for an existing VM infrastructure. Frequently, information such as: Number of VMs Number of all CPUs across all VMs Number of total RAM across all VMs made available. Unfortunately… Weiterlesen →

Adding weekday checks to Azure Automation

Update October 2019:Since March 2019, Azure Schedulers support the selection of weekdays. The article will still be available because weekday selections are only an example of custom control flows and parameters. Often the first workload in the cloud is a… Weiterlesen →

Retrospektive zum Global Azure Bootcamp in Rostock

In diesem Jahr hatte sich das Global Azure Bootcamp in Rostock mit dem Thema “Serverless” beschĂ€ftigt. Wir hatten uns mehr auf Hands-On fokussiert, d.h. wir wollten etwas pratisch umsetzen und jeder sollte mit seinem Azure Pass und seinem Laptop mitmachen…. Weiterlesen →

Protecting Backend Systems with Subnets and Network-Security-Groups

Many customers wonder how to protect the workload in Azure and whether everything is publicly accessible. I want to show how easy it is, to protect workload with network security groups.

Global Azure Bootcamp in Rostock

Auch dieses Jahr nehmen wir wieder beim Global Azure Bootcamp teil. Es findet weltweit gleichzeitig statt und in diesem jahr am Samstag, 27.04.2019. Wir haben in diesem Jahr das Thema “Serverless” in den Mittelpunkt gestellt und haben uns hauptsĂ€chlich auf… Weiterlesen →

Start & Stop VMs with Azure Automation by using Credentials

In some scenarios it is not possible to generate a ServicePrincipal for automation in Azure, although this is the recommended way. In this case, credentials can also be stored and used in Azure Automation. In the following I used the… Weiterlesen →

Start & Stop of Azure VMs with Automation

For the automated start and stop of several VMs in Azure there are many possibilities. The most flexible is certainly the Automation Service. Any scripts can be created or obtained from galleries and executed on-demand or time-controlled. Especially for the… Weiterlesen →

Setup Kubernetes Ingress with SSL-Passthrough

In the first post we created two subdomain certificates and in the second post we created two docker images. Each image offer a simple self-hosted service which includes the Kestrel Server and additionally configured for SSL.Now we want to set… Weiterlesen →

Create Docker Images with SSL Kestrel API Service

In the previous post we created a certificate for a subdomain and now we want to use it in our .NET Core project and create it as a container image. Later it will be used for an Ingress with SSL-Pass-Through…. Weiterlesen →

Manual generate SSL Certificate from Lets Encrypt

I needed 2 subdomain certificates from Lets Encrypt. I had looked at some tools and found ACMESharp (https://pkisharp.github.io/ACMESharp-docs/Quick-Start, https://github.com/ebekker/ACMESharp/wiki/Quick-Start) the best. To get the certificate, the ACMEVault has to be set up once and the tool has to be installed… Weiterlesen →

REST-API mit Azure AD B2C und API-Managemenet

Im letzten Jahr hatte ich 2 Artikel fĂŒr die Zeitschrift Windows Developer geschrieben. Es ging dabei um die Absicherung eines REST-Services mittels Azure AD B2C und im zweiten Schritt um das Managen der API mit dem Azure API-Management. Nach der… Weiterlesen →

Serverless Bootcamp

Last year in November we held a bootcamp with Microsoft on the topic “Serverless”. We invited colleagues from Bertelsmann to the “Denkwerk” in Herford and held 3 lectures with one hands-on session each. The response was very positive and we… Weiterlesen →

SSH (remote shell) in Azure Cloud Shell

Update December 2019:Since a while, the command has changed, is now longer in preview and no extension is necessary: https://docs.microsoft.com/en-us/cli/azure/webapp?view=azure-cli-latest#az-webapp-create-remote-connection Sometimes I have problems with the integrated SSH blade in the Azure App Services with Linux – strange error messages,… Weiterlesen →

Azure Meetup with Azure DevOps

We meet us in November for our next Azure Meetup in Rostock. Some colleagues explained the concepts and the using of Azure DevOps. We take a deeper look at: Boards Pipelines Artifacts Test Plans Thanks to all participants, we had… Weiterlesen →

API Development – Service as a Service

In times of DevOps, high automation and decoupled microservices, we need well-maintained interfaces that not only work today, but also in a scalable world with a flexible roadmap. Whenever a new service is created, an API is also provided.

Arvato DevOps Poster

Im letzten Post hatte ich einen Link zu unserem gratis Arvato DevOps Poster eingefĂŒgt, hier ist der Link nochmal: https://it.arvato.com/content/dam/arvato/documents/reports/Arvato_Systems_Poster-A1_DevOps_2017.pdf [Update: 22.05.2019] Nach einer Umstrukturierung unserer Arvato Webseite, kenne ich den neuen Ablageort des Posters noch nicht und habe es… Weiterlesen →

The Time-To-Market is between 2 cups of coffee

What is a desirable time-to-market for a product? Of course, there can be no blanket answer here. But in the morning at the coffee machine to have an idea and in the afternoon, the first customers use the feature – that would be innovative!

Azure Meetup with Docker & Kubernetes

At the end of September, we meet us for our second Azure meetup in Rostock. Out topics were: an introduction to Docker: We take a look at the concepts of Docker and how to build a simple Dockerfile. We used… Weiterlesen →

Error during AKS create (ServicePrincipleNotFound)

Sometimes I get some strange errors at creating a managed Kubernetes Cluster in Azure (AKS). There errors are in most cases ServicePrincipleNotFound: The problem was the node size! You can select the node size in the portal during the creation… Weiterlesen →

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