A few weeks ago, one of our Windows Server made a reboot in the middle of the day. That was not planned, so we wanted to know what happened. Windows logs events like the reboot in the event log. The challenge is to find the right message in the huge pile of unrelated log messages. …
As I was working on a project, GitHub Desktop bombarded me with this login dialog: The user it showed made no sense and I could push my local commits to the remote repository for the project I worked on. What was wrong with this Git client? Should this happen to you, click on Help / …
Figuring out what version of .Net is on your computer is not so easy to answer. Do you have the new .Net or the .Net Framework? Let’s look at ways to answer this questions. .Net (Core) For .Net you can this command to get a list of all installed SDKs on your machine:
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dotnet --list-sdks 5.0.100 [C:\Program Files\dotnet\sdk] 5.0.408 [C:\Program Files\dotnet\sdk] 6.0.201 [C:\Program Files\dotnet\sdk] 6.0.300 [C:\Program Files\dotnet\sdk] |
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If you try to create a folder with a leading dot, like the .well-known folder for domain validation or the security.txt, you may end up with the error “You must type a file name” on Windows Server: If this happens, do not despair. There is a little trick you can use to create such a …
We run into a strange error when we added a new environment variable to our Docker Compose file:
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$ docker-compose up |
ERROR: Invalid interpolation format for “environment” option in service “api”: “MY_KEY=Abc$5” Our docker-compose.yaml file looks like this:
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version: "3.2" services: db: image: mcr.microsoft.com/mssql/server:latest volumes: - ./container_db:/var/opt/mssql/data environment: ACCEPT_EULA: Y SA_PASSWORD: P@ssword123 ports: - 6000:1433 api: image: mcr.microsoft.com/dotnet/sdk:6.0 volumes: - ./MinApi:/workspace working_dir: /workspace command: sh -c 'while true; do sleep 30; done' environment: - MY_KEY=Abc$5 ports: - 7001:7000 depends_on: - db |
The problem is the $ in the value of the environment variable MY_KEY. Docker allows a lot of …
One of the most important ideas of agile software development is for me the short feedback cycle. Instead of working for weeks or even months at a problem on our own, we try to get feedback as fast as we can. That not only works with user stories; we can apply this idea to every …
I am a big fan of Octopus Deploy. This tool helps us to deploy our applications with ease and in a reliable way. In fact, it is so easy that I always forget the few important settings you need to have in place so that Octopus can do its magic. We use SSIS to synchronise …
We are currently migrating our larger databases to SQL Server 2019. While the migration went smoothly for the small databases, there was an unexpected problem with the last server: the backup was incredibly slow. The first larger database we moved to the new server took 10 times longer to back up than on the old …
A few weeks back I run into an annoying state with my remote desktop connection. All I could see was this: There was no Windows taskbar and with that no Start menu. Since this was a production server and everyone else could work, I had to find a solution different than rebooting the server. Disconnecting …
Before we conclude this series, let us recapitulate what we learned over the last weeks on dev containers. What can run on Linux can run in a dev container This may sound very simplified, but it is a good rule of thumb: When your dependency can run on Linux you can put it into …