X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=scripts%2Fboot%2F9990-netbase.sh;h=64e30df4d4fd45200b386767a4f49da5aa9446f1;hb=5fdc7f1fd20cee26443879022c1e6a3d0377a2b3;hp=384f3f64f1a3e370208b6d534671b75b42094532;hpb=ab6364da036b4b09c0e5c92b0e21c4d43e4bd4c2;p=live-boot-grml.git

diff --git a/scripts/boot/9990-netbase.sh b/scripts/boot/9990-netbase.sh
index 384f3f6..64e30df 100755
--- a/scripts/boot/9990-netbase.sh
+++ b/scripts/boot/9990-netbase.sh
@@ -65,11 +65,13 @@ EOF
 
 			if [ -n "${nameserver}" ]
 			then
+				if [ -e "${DNSFILE}" ]
+				then
+					grep -v ^nameserver "${DNSFILE}" > "${DNSFILE}.tmp"
+					mv "${DNSFILE}.tmp" "${DNSFILE}"
+				fi
 
-cat >> "${DNSFILE}" << EOF
-nameserver ${nameserver}
-EOF
-
+				echo "nameserver ${nameserver}" >> "${DNSFILE}"
 			fi
 		done
 	else