在CentOS上更新Docker,可参考以下方法:
sudo systemctl stop docker。sudo yum remove docker-ce docker-ce-cli containerd.io。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。sudo systemctl start docker,sudo systemctl enable docker。docker --version。curl -fsSL https://get.docker.com -o get-docker.sh,sh get-docker.sh。sudo systemctl start docker。docker --version。更新前建议备份重要容器和镜像数据,生产环境需先在测试环境验证。