andaryjo
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State of the German Internet at Deut...
State of the German Internet at Deutsche Bahn 1# State of the German Internet at Deutsche Bahn
23I was really frustrated with the reliability of the Internet provided by Vodafone when working on a train and wanted to put it to a test.
4Four months of travelling on Deutsche Bahn's long-distance train routes and constantly comparing the Internet speed of my two contestants:
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Azure Tales: Resource locks don't do...
Azure Tales: Resource locks don't do what you may think they do 1# Azure Tales: Resource locks don't do what you may think they do
23Before we start, names can be confusing, so let's make sure that we are on the same page.
4By resource locks I mean the locks that lock Azure resources to prevent their modification or deletion.
5Depending on what Azure client you use, you might also know them as
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Azure Tales: The Scale Set that care...
Azure Tales: The Scale Set that cares too much about Load Balancer rules 1# Azure Tales: The Scale Set that cares too much about Load Balancer rules
23I've seen the error `CannotRemoveRuleUsedByProbeUsedByVMSS` quite a few times now in my Terraform logs, but I've never came around to care enough to actually look into it. Instead, I acknowledged that likely some dependencies are not set up right, shrugged it off and nuked and rebuilt the whole infrastructure, because that was way faster than having to dive into yet another Azure Terraform problem. It was a problem for the future. Well, the future is now.
45Some background information on what we're dealing with here. We are operating a Virtual Machine Scale Set that runs a mission-critial ingress for our large-scale IT platform (we had used Azure Application Gateway before, but its limitations made us decide to rather build something on our own). In front of that Scale Set is an Azure Load Balancer, with Load Balancing rules configured for every protocol and port we have a backend service for. Updates to the list of backend services in our ingress happen quite often, which is why also need to update the Load Balancing rules quite often (but their code gets rendered automatically, so that's not a problem).
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Azure Tales: Private Endpoints don't...
Azure Tales: Private Endpoints don't care about your feelings 1# Azure Tales: Private Endpoints don't care about your feelings
23Recently, the team and I encountered weird networking behavior on Azure which just baffled us. We are developing a platform based on Azure's Hub & Spoke Network Topology reference architecture and are using the Azure Firewall as central routing component to route traffic from spoke to spoke. A simplified architecture diagram would look somewhat like this:
45![hs-architecture](https://user-images.githubusercontent.com/66257646/253541015-498a0c9a-be14-44ab-aea8-c91b0da2ff51.png)
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trias-client
trias-client Public archiveLean Node.js client for public transport TRIAS APIs
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local-guides-client
local-guides-client Public archiveUnofficial client library to fetch contribution data for Google Maps Local Guides
JavaScript 1
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