FROM ubuntu:focal RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \ # iptables to disable OS native packet processing. iptables \ # nc to check that the posix_server is running. netcat \ # tcpdump to log brief packet sniffing. tcpdump \ # ip link show to display MAC addresses. iproute2 \ # tshark to log verbose packet sniffing. tshark \ # killall for cleanup. psmisc \ # qemu-system-x86 to emulate fuchsia. qemu-system-x86 \ # sha1sum to generate entropy. libdigest-sha-perl