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#!/bin/sh
# Create the disk image for a basic terminal computer with sshd.
# Typical virtual‐machine network interfaces are configured for DHCP.
set -e
if [ $# -lt 1 ]; then
echo "usage: ${0} base"
exit 1
fi
base="${1}"
name="student"
format="qcow2"
file_interfaces=\
'# see interfaces(5)
source /etc/network/interfaces.d/*
# loopback interface
auto lo
iface lo inet loopback
# first interface
allow-hotplug ens3
iface ens3 inet dhcp
allow-hotplug enp0s3
iface enp0s3 inet dhcp
'
qemu-img create -f qcow2 -b "${base}" "${name}.${format}"
virt-customize -a "${name}.${format}" \
--hostname "${name}" \
--update \
--install openssh-server \
--write /etc/network/interfaces:"${file_interfaces}"
#virt-sparsify "${name}.${format}" "${name}x.${format}"
#qemu-img create -f "${format}" -b "${name}x.${format}" "${name}-diff.${format}"
#qemu-img rebase -b "${base}" "${name}-diff.${format}"
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