Lab1 Setting up docker on Centos8 yum remove podman* yum remove runc* containerd* buildah* sudo yum install -y yum-utils sudo yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo sudo yum install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin systemctl enable docker systemctl start docker systemctl status docker Lab2: Setup on ubuntu First, update your existing list of packages sudo apt update Install a few prerequisite packages which let apt use packages over HTTPS: sudo apt install apt-transport-https ca-certificates curl software-properties-common Add the GPG key for the official Docker repository to your system curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg –dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg Add the Docker repository to APT sources: echo “deb [arch=$(dpkg –print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable” | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null Update your existing list of packages sudo apt update Install Docker: sudo apt install docker-ce docker-ce-cli containerd.io Check that it’s running: sudo systemctl status docker