Paweł Bulwan

Our function should have been triggered by timer, but wasn’t… We recently encountered a problem in Azure Function App service. We have created a Function that should be triggered on schedule, once every day. It’s a typical case for use of a [TimerTrigger]. For example, [TimerTrigger(“0 0 8 * * *”)] should start the function … Read more

In large Data Lake Stores, operations on ACL entries are slow I recently wanted to simplify permissions in a Data Lake Storage file system. For folders and files in Data Lake Storage, we define permissions using Access Control Lists. Microsoft generally recommends that we should assign permissions to security groups, and not for individual users … Read more

TL/DR: If this is possible, it’s hard. I was unable to achieve the goal in reasonable time. When we work with Azure Data Lake Storage Gen2 (ADLS), it feels pretty much like working with any other kind of file system, it’s just online. We have directories and files. We can organize them into a hierarchy … Read more

Update: the code example in this article uses an API that is now deprecated. It will only be useful if you are stuck using old NuGet library to query Application Insights. For new code, you should use https://www.nuget.org/packages/Azure.Monitor.Query/ instead. This article does not provide code example on how to use that newer API. Application Insights … Read more

NordVPN blocks access to PiHole device when connected I consider the following privacy tools useful, but for a long time, I didn’t see a way to make them work together at the same time: PiHole is a DNS-based ad-blocking and malware-blocking software with a friendly web UI.Typically, it’s installed on a Raspberry Pi device, and … Read more

Recently, I got curious what exactly takes up space in my Azure Storage Files. In the end, I’m paying for each stored byte. 😉I tried to find out using Azure Portal, but it wasn’t practical. While Azure Portal displays size of files, it doesn’t display total size of folders: Maybe Azure Storage Explorer can do … Read more

VPN Gateway — looks great, though a bit expensive Recently, I was learning a bit about networking in Azure. As a practical exercise, I wanted to learn what is the cheapest way to achieve the following setup to protect resources in Azure Virtual Network that could be a target of a network attack, for example … Read more

Here’s a short observation that surprised me in the recent days. I just want to leave a note in case anyone stumbles upon similar issue. I noticed that metrics for Azure Storage like Table Capacity and Table Entity Count show data which isn’t too accurate. Let’s see a simple case where I started migrating & … Read more

When we work DevOps pipelines, pipeline logs often help us diagnose what went wrong or right. An easy way to make text stand out is to put some colors. You might notice how a red text instantly directs our attention to errors in a haystack of text. In Azure DevOps, one way to write text … Read more

Welcome to my new blog. I believe I already started 5 blogs in my life and later killed them for various reasons 😉 Some of them technically still exist, for example: .NET Battlefield, my old blog about Sharepoint and .NET development, has last post dated to 2015. Zakasane rękawy, where I published some essays about … Read more