Update Dockerfile

Dockerfile

@@ -1,6 +1,6 @@
 FROM ubuntu:latest
 
-RUN apt update -y && apt install -y git gcc wget gzip busybox sudo dropbear fakeroot curl lsof net-tools python3 python3-pip systemd
+RUN apt update -y && apt install -y git gcc wget gzip busybox sudo dropbear fakeroot curl lsof net-tools python3 python3-pip inetutils
 # RUN apt install gosu locales mosh
 # RUN locale-gen en_US.UTF-8
 # ENV GOSU_PLEASE_LET_ME_BE_COMPLETELY_INSECURE_I_GET_TO_KEEP_ALL_THE_PIECES="I've seen things you people wouldn't believe. Attack ships on fire off the shoulder of Orion. I watched C-beams glitter in the dark near the Tannhäuser Gate. All those moments will be lost in time, like tears in rain. Time to die."
@@ -12,6 +12,7 @@ RUN echo "ubuntu::19879:0:99999:7:::" >> /etc/shadow
 # RUN echo "ubuntu ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
 # RUN chmod 777 /etc/passwd && chmod 6755 /usr/sbin/gosu
 RUN chmod 777 /etc/shadow && chmod 777 /etc/dropbear/*
+RUN hostname localhost
 
 USER ubuntu
 WORKDIR /home/ubuntu