DynDNS and kernel stripping for Ubuntu

remove_old_kernels.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+# Remove all but the latest $keep kernels (and headers)
+#
+keep=2
+sudo aptitude purge $( 
+	for i in linux-headers-[0-9]*[0-9] linux-headers-[0-9]*generic linux-image-[0-9]* linux-image-extra-[0-9]*; do 
+		dpkg -l $i 2>/dev/null | grep ^ii | awk {'print $2'} | grep [0-9] | sort | head -n -${keep}; 
+	done 
+)