Sometimes I need to lookup process that hold a port open. On Linux this is quite easy but on Mac I was struggling to find a proper way. Here is the netstat variant you can use on Mac: Replace the 8080 with the wanted port. You will see a line like this: The 54876 is […]
kill process that has given port open Read More »
To disable this annoying advertisement in your shell simply run This will add .bak to the end of the file and should survive updates.
Get more security updates through Ubuntu Pro with ‘esm-apps’ enabled Read More »
If you’re a macOS user who appreciates the convenience of package management tools like APT on Linux, then Homebrew Cask Update Tool is a game-changer you won’t want to miss. This nifty tool, available at https://github.com/buo/homebrew-cask-upgrade, brings the simplicity and efficiency of Linux package management to your Mac. Homebrew Cask Update Tool makes updating your
Homebrew Cask Update Tool: Your macOS Equivalent to Linux’s APT Read More »
For setting values on the docker vm on your mac you need to get a shell. Elastic has some statements online that don’t work on latest MacOS (14.1.1 + docker desktop 24.0.6). To get a shell you can use this command:
get shell for docker vm on mac Read More »
These two commands result in a file containing a list of all files included in the container image. You can also export the complete container into a tar file:
Inspect docker container image without starting it Read More »
To allow requests against a Spring Boot REST API from a website it is necessary to configure CORS properly. In case you don’t know your client URLs you can allow all clients by adding a mapping like the following in your Kotlin project: This allows access to all endpoints from all origins via GET, POST
CORS configuration for REST api accessed from browser Read More »
Docker images from quay.io/keycloak/keycloak don’t contain any commands for a usual healthcheck and installing software is also not trivial. In a discussion on https://github.com/keycloak/keycloak/issues/17273 I found a solution that checks /proc/net/tcp for an open port 8080. That file contains all open ports in hex format. cat and grep are included in the image. So a
keycloak in docker compose with healthcheck Read More »
After upgrading to macOS 14.1 my docker installation stopped woring and when I tried to pull an image it answered with the following error message: 192.168.65.0/24 is the configured docker internal network of Docker Desktop. It was running on defaults and I wasn’t aware of any manual changes. DNS of my host system worked properly:
spritpreisrechner.at is a project from e-control and Austrian government to gather fuel prices all over the country. There is a Swagger 2 specification of the API by e-control to use the data. But the host used in that spec doesn’t exist anymore nor should you use swagger 2 for a project in 2023. I updated
spritpreisrechner.at OpenAPI Spec Read More »
I’m using PostgreSQL in a lot of projects and in my dev environments I always run it with docker-compose. But configuring it properly isn’t so clear if you want to use proper time zone and a health check. Attached the config with a custom database name “db” and an admin user. With this pg_isready is
Start PostgreSQL correctly with docker-compose.yml Read More »