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install_dhclient() {
echo -n "# Installing dhclient (isc-dhclient)..."
apt-get install isc-dhcp-client 2>/dev/null 1>&2
if [ "$ERR" -ne 0 ]; then
echo
echo "# WARNING: Could not re-install dhclient (isc-dhcp-client)!"
echo "# This should not happen. I give up."
echo "# Please keep in mind this problem has to be solved"
echo "# before the next boot, as the server will most likely"
echo "# not receive an IP (if not set statically)."
else
echo " ok."
fi
}
install_pump() {
if [ ! $(which pump) ]; then
echo -n "# Installing pump..."
apt-get install pump 2>/dev/null 1>&2
if [ "$ERR" -ne 0 ]; then
echo
echo "# WARNING: Could not install pump! This is a problem, as pump"
echo "# is an essential package. The server install will"
echo "# continue, but keep in mind this problem has to be"
echo "# solved before the server will work correctly."
echo "# Now re-installing dhclient (isc-dhcp-client)..."
install_dhclient
else
echo " ok."
fi
fi
}
uninstall_dhclient() {
echo -n "# Uninstalling dhclient (isc-dhclient)..."
dpkg --remove isc-dhcp-client 2>/dev/null 1>&2
if [ "$ERR" -ne 0 ]; then
echo
echo "# WARNING: Could not uninstall dhclient (isc-dhcp-client)!"
echo "# This should not happen. I give up."
echo "# Please keep in mind this problem has to be solved"
echo "# before the next boot, as the server will most likely"
echo "# not receive an IP (if not set statically)."
echo "# pump will be installed anyway, but keep an eye on possible problems."
else
echo " ok."
fi
}
setup_dhcp() {
echo "#"
echo "# First: let's see whether the package isc-dhcp-client is installed,"
echo "# as we do not like it due to udp checksum failures using virtIO."
echo "# Checking dhcp configuration / utilities..."
if [ $(which dhclient) ]; then
echo "# dhclient detected. dhclient will be uninstalled due to virtIO-problems."
uninstall_dhclient
fi
install_pump
}
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