lxc ubuntu启用ssh连接
echo "PermitRootLogin yes" >> /etc/ssh/sshd_config && reboot
安装docker软件包
apt update && apt install -y curl && bash <(curl -sSL https://linuxmirrors.cn/docker.sh)
Linux SSH Access denied(拒绝访问)解决方案-CSDN博客
Docker - LinuxMirrors