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I tried to install Docker on Kubuntu 19.10.
I used these steps to install: https://docs.docker.com/install/linux/docker-ce/ubuntu/
During step 2, after added repository and key I got this message
Package containerd.io is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package 'containerd.io' has no installation candidate
348
Install from a packageGo to https://download.docker.com/linux/ubuntu/dists/ , choose your Ubuntu version, then browse to pool/stable/ , choose amd64 , armhf , arm64 , or s390x , and download the .deb file for the Docker Engine version you want to install.
docker-io is the deb package name used by Ubuntu distribution docker-engine is the deb package name from the official Docker Ubuntu distribution. Probably you want docker-engine because the Ubuntu one is too old and buggy to be used. As of today Ubuntu has 1.6. 2 and Docker registry has 1.12.
containerd is one implementation that follows the OCI. It uses kernel features to provide a runtime environment for containers. dockerd talks to containerd and also provides more features to Docker users in the form of the easy commands like docker build , docker network , docker volume and docker inspect .
It's not the cleanest way to do it I guess, but I had the same problem as you and I changed:
$ sudo add-apt-repository \
"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) \
stable"
to
$ sudo add-apt-repository \
"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
bionic \
stable"
because
$(lsb_release -cs)
returns "eoan" (the name of the latest ubuntu version, currently 19.10) and it seems to cause problems. Replacing this with "bionic" (ubuntu 18.10) worked perfectly for me, and I still have no problems 4 months later.
Don't forget to open "/etc/apt/sources.list" and comment-out/delete the line:
deb-src [arch=amd64] https://download.docker.com/linux/ubuntu eoan stable
to avoid conflicts. (You added this with the first command you entered in this process.)
95
Edit the file : /etc/apt/sources.list
Look for repo entry :
deb-src [arch=amd64] https://download.docker.com/linux/ubuntu eoan stable
Changing it to:
deb-src [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable
resolved the issue for me
37
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