Ubuntu1804 最小化安装建议安装包
apt -y purge ufw lxd lxd-client lxcfs liblxc-common
apt -y install iproute2 ntpdate tcpdump telnet traceroute nfs-kernel-server nfs-common lrzsz tree openssl libssl-dev libpcre3 libpcre3-dev zlib1g-dev gcc openssh-server iotop unzip zip
