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#!/bin/sh
# Purge systemd.
in_target apt-get -q -y purge libpam-systemd systemd || return 1
in_target apt-get -q -y --purge autoremove || return 1
# Remove packages from APT cache.
in_target apt-get clean || return 1
# Configure network interfaces.
mv "${target}/etc/network/interfaces" "${target}/etc/network/interfaces.dist"
cat 1>"${target}/etc/network/interfaces" 0<<-EOF
auto lo
iface lo inet loopback
auto enp1s0
iface enp1s0 inet dhcp
EOF
# Don't suspend on lid close.
cp -p "${target}/etc/elogind/logind.conf" \
"${target}/etc/elogind/logind.conf.dist"
sed 's/^.*\(HandleLidSwitch.*\)=.*$/\1=ignore/' \
"${target}/etc/elogind/logind.conf.dist" \
1>"${target}/etc/elogind/logind.conf"
# Configure NFS.
mv "${target}/etc/exports" "${target}/etc/exports.dist"
cat 1>"${target}/etc/exports" 0<<-EOF
EOF
# Harden SSH server.
mv "${target}/etc/ssh/sshd_config" "${target}/etc/ssh/sshd_config.dist"
sed \
-e 's/^PermitRootLogin .*$/PermitRootLogin no/' \
-e 's/^#PasswordAuthentication .*$/#PasswordAuthentication no/' \
"${target}/etc/ssh/sshd_config.dist" 1>"${target}/etc/ssh/sshd_config"
return 0
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