First you need to choose a base image that is available for the target platforms as well. Create your Dockerfile as usual and then build the container for different platforms. This example would create an amd64 and a aarch64 (arm64/v8) image: Based on these you can create a manifest and upload it: This would already …
How to create docker containers for multiple platforms / architectures Read More »
The following time code generation is based on real time clocks synced with ntp on mac or linux computers using UTC time. Make sure your machine has an internal clock source otherwise the time drift will be too big. This approach is a very cheap way to get proper time code into cameras. If your …
As it was quite hard to find a proper command to replace all empty lines within a text file – including empty lines at the start and end – I wanted to take down the following command which worked for me on macOS:
Following the documentation using arkade was (as stated in the docs) the fastest and easiest way to get a working local installation running. There are numerous outdated tutorials about how to run OpenFaaS locally but none of really worked in my envrionment. I am using a MacBook M1 Max with docker driver. I have docker …
Local OpenFaaS environment with minikube and docker driver Read More »
If you don’t want to use different syntax on your mac with sed command then it can be easily replaced with GNU sed by installing it via This installs the program as gsed which is also not handy if you don’t want to write different scripts for Linux and macOS. If you want to get …
I just had a discussion where I was told that docker-desktop isn’t usable anymore because of their new licensing. So I had a look if docker-desktop is really required. In the end it is just a nicer integration with some desktop app to manage the background vm. I installed virtualbox and set up a vm …
As a big fan of postgresql I’m following latest releases based on the stable updates channel. But every time a new major release comes our you end up with two running instances on your machine and you have to upgrade your data from the old to the new one. Here some steps how I did …
I installed a raid1 with two 3.5″ sata disks in one of my machines. Instead of using mdadm as usual I decided to go with btrfs this time. Here the commands I used for that (as root): This was already working properly and I was able to copy my data on the newly created raid. …
btrfs raid1 with two 3.5″ sata disks under ubuntu 20.04 lts Read More »
All my virtual machine hosts are using networkd bridging to announce IPs of their vms in my network and now I just found the easiest way to configure this without manually changing any config files like I always did before. Here is how I added a bridge br0 to my physical interface enp1s0: Works already …
Add network bridge on ubuntu 20.04 LTS with Network Manager cli Read More »
On my ubuntu server I had to install libmagickcore-6.q16-6-extra to get rid of this warning