#!/bin/bash cat >/etc/radvd.conf <>/etc/radvd.conf [ "${RADVD_MTU}" ] && \ echo " AdvLinkMTU ${RADVD_MTU};" >>/etc/radvd.conf [ "${RADVD_SOURCE_LL_ADDRESS}" ] && \ echo " AdvSourceLLAddress ${RADVD_SOURCE_LL_ADDRESS};" >>/etc/radvd.conf [ "${RADVD_OTHER_CONFIG_FLAG}" ] && \ echo " AdvOtherConfigFlag ${RADVD_OTHER_CONFIG_FLAG};" >>/etc/radvd.conf cat >>/etc/radvd.conf <