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docker ps --format "table {{.Image}}\t{{.Status}}\t{{.Names}}" IMAGE STATUS NAMES kolla/ubuntu-source-nova-libvirt:master Up 21 seconds (health: starting) nova_libvirt kolla/ubuntu-source-nova-ssh:master Up About a minute (healthy) nova_ssh kolla/ubuntu-source-nova-novncproxy:master Up About a minute (healthy) nova_novncproxy ...

References https://docs.docker.com/engine/install/ubuntu/ Installation uninstall old version root@devops-server:~# apt-get remove docker docker-engine docker.io containerd runc Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package docker-engine install docker root@devops-server:~# curl -fsSL https://get.docker.com -o get-docker.sh ##..