Hi!
I am trying to use mender-convert.
The first step after download is ./docker-build, but I get the following errors:
> epac@epac-Inspiron-5547:~/mender-convert$ ./docker-build
> Sending build context to Docker daemon 1.107MB
> Step 1/15 : FROM ubuntu:19.04 AS build
> ---> c88ac1f841b7
> Step 2/15 : RUN apt-get update && apt-get install -y build-essential git liblzma-dev
> ---> Running in 349f48c87fdc
> Ign:1 http://archive.ubuntu.com/ubuntu disco InRelease
> Ign:2 http://archive.ubuntu.com/ubuntu disco-updates InRelease
> Ign:3 http://archive.ubuntu.com/ubuntu disco-backports InRelease
> Err:4 http://archive.ubuntu.com/ubuntu disco Release
> 404 Not Found [IP: 91.189.88.152 80]
> Err:5 http://archive.ubuntu.com/ubuntu disco-updates Release
> 404 Not Found [IP: 91.189.88.152 80]
> Err:6 http://archive.ubuntu.com/ubuntu disco-backports Release
> 404 Not Found [IP: 91.189.88.152 80]
> Ign:7 http://security.ubuntu.com/ubuntu disco-security InRelease
> Err:8 http://security.ubuntu.com/ubuntu disco-security Release
> 404 Not Found [IP: 91.189.91.38 80]
> Reading package lists...
> E: The repository 'http://archive.ubuntu.com/ubuntu disco Release' does not have a Release file.
> E: The repository 'http://archive.ubuntu.com/ubuntu disco-updates Release' does not have a Release file.
> E: The repository 'http://archive.ubuntu.com/ubuntu disco-backports Release' does not have a Release file.
> E: The repository 'http://security.ubuntu.com/ubuntu disco-security Release' does not have a Release file.
> The command '/bin/sh -c apt-get update && apt-get install -y build-essential git liblzma-dev' returned a non-zero code: 100