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[ERROR CRI]: container runtime is not running: / msg="unable to determine runtime API version"

Problem

User gets the following error when trying to start / restart kubernetes

[preflight] Running pre-flight checks

error execution phase preflight: [preflight] Some fatal errors occurred:

[ERROR CRI]: container runtime is not running: output: time=”2022-07-12T14:04:08+03:00″ level=fatal msg=”unable to determine runtime API version: rpc error: code = Unavailable desc = connection error: desc = \”transport: Error while dialing dial unix /var/run/containerd/containerd.sock: connect: no such file or directory\””

, error: exit status 1

Solution

Run the following commands to fix the issu

rm /etc/containerd/config.toml
systemctl restart containerd

Initialize Kubernetes

kubeadm init

 

If this solution doesnt helps change the docker version from docker to docker-ce

rpm -e docker-common-1.13.1-209.git7d71120.el7.centos.x86_64 docker-1.13.1-209.git7d71120.el7.centos.x86_64 docker-client-1.13.1-209.git7d71120.el7.centos.x86_64
sudo yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo
sudo yum install docker-ce

systemctl start docker

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