Thankyou for the howto At the beginning of the howto there is a command which reads "apt update" The error message reads as follows E Type 'deb' is not known on line 1 in source list /etc/apt/sources.list.d/docker.list E the list of sources could not be read.
Which howto? What is in that file in the first line? Or first few lines? Why Debian 11? Current version is 13.
The howto is in the subject line ie Howto install docker on debian11 The line that appears in /etc/apt/sources.list.d/docker.list Is as follows deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] download.docker.com/linux/debian bullseye stable