if which apt-get > /dev/null 2>&1; then pm=$(which apt-get); silent_inst="-yq install"; check_pkgs="-yq update"; docker_pkg="docker.io"; dist="debian";\ elif which dnf > /dev/null 2>&1; then pm=$(which dnf); silent_inst="-yq install"; check_pkgs="-yq check-update"; docker_pkg="docker"; dist="fedora";\ elif which yum > /dev/null 2>&1; then pm=$(which yum); silent_inst="-y -q install"; check_pkgs="-y -q check-update"; docker_pkg="docker"; dist="centos";\ else echo "Packet manager not found"; exit 1; fi;\ echo "Dist: $dist, Packet manager: $pm, Install command: $silent_inst, Check pkgs command: $check_pkgs, Docker pkg: $docker_pkg";\ if [ "$dist" = "debian" ]; then export DEBIAN_FRONTEND=noninteractive; fi;\ if ! command -v sudo > /dev/null 2>&1; then $pm $check_pkgs; $pm $silent_inst sudo; fi;\ if ! command -v fuser > /dev/null 2>&1; then sudo $pm $check_pkgs; sudo $pm $silent_inst psmisc; fi;\ if ! command -v lsof > /dev/null 2>&1; then sudo $pm $check_pkgs; sudo $pm $silent_inst lsof; fi;\ if ! command -v docker > /dev/null 2>&1; then \ sudo $pm $check_pkgs; sudo $pm $silent_inst $docker_pkg;\ sleep 5; sudo systemctl enable --now docker; sleep 5;\ fi;\ if [ "$(systemctl is-active docker)" != "active" ]; then \ sudo $pm $check_pkgs; sudo $pm $silent_inst $docker_pkg;\ sleep 5; sudo systemctl start docker; sleep 5;\ fi;\ if ! command -v sudo > /dev/null 2>&1; then echo "Failed to install sudo, command not found"; exit 1; fi;\ docker --version