anybody help...while using VMware with ubuntu image...iget following error.. umount: /tmp/n950loop: not mounted loop: can't delete device /tmp/n950loop: No such device or address Compiling binaries rootfextr.c:7:23: fatal error: lzo/lzo1x.h: No such file or directory compilation terminated. Unable to compile rootfextr, make sure you have liblzo2-dev package installed