Author Archives: erictummers

About erictummers

My work as a recruited developer changes almost every month. I like challenges and sharing the solutions with others. On my blog I’ll mostly post about my work, but expect an occasional home project, productivity tip and tooling review.

Install Cloud Foundry on macOS with Virtualbox

Posted on April 17, 2019

We’re investigating Cloud Foundry for our PAAS solution. At home I’ve installed it on my mac with virtualbox. This post is a combination of information available elsewhere (links are included) and can be used to get you’re own local Cloud … Continue reading →

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Performance boost Neo4J ORM

Posted on March 20, 2019

We’ve created our own (very) simple ORM for saving data in Neo4J. Performance was not relevant until loading a weekly batch took about 8 days. After some tweaks we manage to load the data in just over one day. (29 … Continue reading →

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Invoke-Webrequest UnauthorizedAccessException

Posted on February 20, 2019

Today I got an UnauthorizedAccessException when running the following script in powershell There was no logging on the webserver, there was no access-denied message, there was no traffic at all. What happend? Turns out the problem was the file (data.json) … Continue reading →

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Load environment variables in dotnet Core 1.1 hosted in IIS

Posted on February 7, 2019

On our webserver we plan to move configuration to environment variables. We can set those environment variables in our Powershell Dsc script. But the website does not pick up the environment variables. There is an issue on github (#1864) that … Continue reading →

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Seq dashboard

Posted on January 30, 2019

We’re using seq for logging the completion of an import. To monitor the progress of importing a lot of file we’ve created a dashboard in seq. The log entries are identified by having a property (uuid) and a date / … Continue reading →

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Manage windows service with asp.net core webapi

Posted on December 26, 2018

We’re building a webapi for our administrators. One of the features is stopping and starting a windows service on the webserver the webapi is hosted on. We needed to allow our application pool user to manage the windows service. For … Continue reading →

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Seq

Posted on December 18, 2018

Seq creates the visibility you need to quickly identify and diagnose problems in complex applications and microservices. Empower your team to build better software by centralizing, searching, and alerting on structured application logs. https://getseq.net Image source https://getseq.net Every project we … Continue reading →

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