Scrub Quick Start For those in a rush, here's how to get scrub working. Download the latest release tarball and do the following to build scrub: $ tar xvf scrub-2.6.0.tar.gz scrub-2.6.0/ scrub-2.6.0/NEWS scrub-2.6.0/test/ scrub-2.6.0/test/t02 scrub-2.6.0/test/t10.exp scrub-2.6.0/test/t07.exp scrub-2.6.0/test/t13.exp scrub-2.6.0/test/t15.exp scrub-2.6.0/test/t00.exp scrub-2.6.0/test/pat.c scrub-2.6.0/test/t05.exp scrub-2.6.0/test/t18.exp scrub-2.6.0/test/t17.exp scrub-2.6.0/test/t20.exp scrub-2.6.0/test/t03 scrub-2.6.0/test/t04.exp scrub-2.6.0/test/t22.exp scrub-2.6.0/test/t02.exp scrub-2.6.0/test/t08 scrub-2.6.0/test/t06.exp scrub-2.6.0/test/t04 scrub-2.6.0/test/t14.exp scrub-2.6.0/test/t11.exp scrub-2.6.0/test/README scrub-2.6.0/test/Makefile.am scrub-2.6.0/test/t09 scrub-2.6.0/test/tsig.c scrub-2.6.0/test/t21.exp scrub-2.6.0/test/t01.exp scrub-2.6.0/test/t03.exp scrub-2.6.0/test/t12 scrub-2.6.0/test/t16 scrub-2.6.0/test/t07 scrub-2.6.0/test/t16.exp scrub-2.6.0/test/tgetsize.c scrub-2.6.0/test/tsize.c scrub-2.6.0/test/t15 scrub-2.6.0/test/t19.exp scrub-2.6.0/test/tprogress.c scrub-2.6.0/test/t17 scrub-2.6.0/test/t20 scrub-2.6.0/test/Makefile.in scrub-2.6.0/test/t21 scrub-2.6.0/test/trand.c scrub-2.6.0/test/t00 scrub-2.6.0/test/t18 scrub-2.6.0/test/t01 scrub-2.6.0/test/t12.exp scrub-2.6.0/test/t19 scrub-2.6.0/test/t08.exp scrub-2.6.0/test/t13 scrub-2.6.0/test/t22 scrub-2.6.0/test/t14 scrub-2.6.0/test/pad.c scrub-2.6.0/test/t11 scrub-2.6.0/test/t09.exp scrub-2.6.0/test/t05 scrub-2.6.0/test/aestest.c scrub-2.6.0/test/t10 scrub-2.6.0/test/t06 scrub-2.6.0/scrub.spec scrub-2.6.0/AUTHORS scrub-2.6.0/aclocal.m4 scrub-2.6.0/ChangeLog scrub-2.6.0/README scrub-2.6.0/configure.ac scrub-2.6.0/Makefile.am scrub-2.6.0/configure scrub-2.6.0/src/ scrub-2.6.0/src/hwrand.h scrub-2.6.0/src/hwrand.c scrub-2.6.0/src/sig.c scrub-2.6.0/src/pattern.h scrub-2.6.0/src/genrand.h scrub-2.6.0/src/util.h scrub-2.6.0/src/fillfile.c scrub-2.6.0/src/getsize.c scrub-2.6.0/src/Makefile.am scrub-2.6.0/src/scrub.c scrub-2.6.0/src/aes.h scrub-2.6.0/src/sig.h scrub-2.6.0/src/getsize.h scrub-2.6.0/src/util.c scrub-2.6.0/src/fillfile.h scrub-2.6.0/src/filldentry.h scrub-2.6.0/src/Makefile.in scrub-2.6.0/src/pattern.c scrub-2.6.0/src/progress.c scrub-2.6.0/src/filldentry.c scrub-2.6.0/src/progress.h scrub-2.6.0/src/aes.c scrub-2.6.0/src/genrand.c scrub-2.6.0/man/ scrub-2.6.0/man/Makefile.am scrub-2.6.0/man/scrub.1 scrub-2.6.0/man/scrub.1.in scrub-2.6.0/man/Makefile.in scrub-2.6.0/scrub.spec.in scrub-2.6.0/INSTALL scrub-2.6.0/Makefile.in scrub-2.6.0/META scrub-2.6.0/COPYING scrub-2.6.0/DISCLAIMER scrub-2.6.0/libscrub/ scrub-2.6.0/libscrub/libscrub.map scrub-2.6.0/libscrub/scrub.h scrub-2.6.0/libscrub/README scrub-2.6.0/libscrub/Makefile.am scrub-2.6.0/libscrub/Makefile.in scrub-2.6.0/libscrub/libscrub.c scrub-2.6.0/libscrub/libscrub.pc.in scrub-2.6.0/libscrub/tscrub.c scrub-2.6.0/config/ scrub-2.6.0/config/ac_pkgconfig.m4 scrub-2.6.0/config/ltmain.sh scrub-2.6.0/config/config.h.in scrub-2.6.0/config/depcomp scrub-2.6.0/config/config.sub scrub-2.6.0/config/x_ac_expand_install_dirs.m4 scrub-2.6.0/config/x_ac_check_pthreads.m4 scrub-2.6.0/config/x_ac_meta.m4 scrub-2.6.0/config/config.guess scrub-2.6.0/config/install-sh scrub-2.6.0/config/missing $ $ cd scrub-2.6.0 $ ./configure checking build system type... x86_64-unknown-linux-gnu checking host system type... x86_64-unknown-linux-gnu checking target system type... x86_64-unknown-linux-gnu checking metadata... yes checking installation directory variables... yes checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... /bin/mkdir -p checking for gawk... gawk checking whether make sets $(MAKE)... yes checking whether to enable maintainer-specific portions of Makefiles... no checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking for style of include used by make... GNU checking dependency style of gcc... gcc3 checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /bin/grep checking for egrep... /bin/grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking minix/config.h usability... no checking minix/config.h presence... no checking for minix/config.h... no checking whether it is safe to define __EXTENSIONS__... yes checking for ANSI C header files... (cached) yes checking getopt.h usability... yes checking getopt.h presence... yes checking for getopt.h... yes checking stdbool.h usability... yes checking stdbool.h presence... yes checking for stdbool.h... yes checking pthread.h usability... yes checking pthread.h presence... yes checking for pthread.h... yes checking for a sed that does not truncate output... /bin/sed checking for fgrep... /bin/grep -F checking for ld used by gcc... /usr/bin/ld checking if the linker (/usr/bin/ld) is GNU ld... yes checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B checking the name lister (/usr/bin/nm -B) interface... BSD nm checking whether ln -s works... yes checking the maximum length of command line arguments... 1966080 checking whether the shell understands some XSI constructs... yes checking whether the shell understands "+="... yes checking for /usr/bin/ld option to reload object files... -r checking for objdump... objdump checking how to recognize dependent libraries... pass_all checking for ar... ar checking for strip... strip checking for ranlib... ranlib checking command to parse /usr/bin/nm -B output from gcc object... ok checking for dlfcn.h... yes checking for objdir... .libs checking if gcc supports -fno-rtti -fno-exceptions... no checking for gcc option to produce PIC... -fPIC -DPIC checking if gcc PIC flag -fPIC -DPIC works... yes checking if gcc static flag -static works... yes checking if gcc supports -c -o file.o... yes checking if gcc supports -c -o file.o... (cached) yes checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes checking whether -lc should be explicitly linked in... no checking dynamic linker characteristics... GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... yes checking whether to install pkg-config *.pc files... ${libdir}/pkgconfig checking whether byte ordering is bigendian... no checking for an ANSI C-conforming const... yes checking for getopt_long... yes checking for posix_memalign... yes checking for memalign... yes checking for posix_fadvise... yes checking for rand_r... yes checking for random_r... yes checking how to link against pthreads... -lpthread checking for special C compiler options needed for large files... no checking for _FILE_OFFSET_BITS value needed for large files... no configure: creating ./config.status config.status: creating Makefile config.status: creating scrub.spec config.status: creating src/Makefile config.status: creating man/Makefile config.status: creating man/scrub.1 config.status: creating test/Makefile config.status: creating libscrub/Makefile config.status: creating libscrub/libscrub.pc config.status: creating config/config.h config.status: executing depfiles commands config.status: executing libtool commands $ $ make gcc -DHAVE_CONFIG_H -I. -I../config -g -O2 -MT aes.o -MD -MP -MF .deps/aes.Tpo -c -o aes.o aes.c mv -f .deps/aes.Tpo .deps/aes.Po gcc -DHAVE_CONFIG_H -I. -I../config -g -O2 -MT filldentry.o -MD -MP -MF .deps/filldentry.Tpo -c -o filldentry.o filldentry.c mv -f .deps/filldentry.Tpo .deps/filldentry.Po gcc -DHAVE_CONFIG_H -I. -I../config -g -O2 -MT fillfile.o -MD -MP -MF .deps/fillfile.Tpo -c -o fillfile.o fillfile.c mv -f .deps/fillfile.Tpo .deps/fillfile.Po gcc -DHAVE_CONFIG_H -I. -I../config -g -O2 -MT genrand.o -MD -MP -MF .deps/genrand.Tpo -c -o genrand.o genrand.c mv -f .deps/genrand.Tpo .deps/genrand.Po gcc -DHAVE_CONFIG_H -I. -I../config -g -O2 -MT getsize.o -MD -MP -MF .deps/getsize.Tpo -c -o getsize.o getsize.c mv -f .deps/getsize.Tpo .deps/getsize.Po gcc -DHAVE_CONFIG_H -I. -I../config -g -O2 -MT hwrand.o -MD -MP -MF .deps/hwrand.Tpo -c -o hwrand.o hwrand.c mv -f .deps/hwrand.Tpo .deps/hwrand.Po gcc -DHAVE_CONFIG_H -I. -I../config -g -O2 -MT pattern.o -MD -MP -MF .deps/pattern.Tpo -c -o pattern.o pattern.c mv -f .deps/pattern.Tpo .deps/pattern.Po gcc -DHAVE_CONFIG_H -I. -I../config -g -O2 -MT progress.o -MD -MP -MF .deps/progress.Tpo -c -o progress.o progress.c mv -f .deps/progress.Tpo .deps/progress.Po gcc -DHAVE_CONFIG_H -I. -I../config -g -O2 -MT scrub.o -MD -MP -MF .deps/scrub.Tpo -c -o scrub.o scrub.c mv -f .deps/scrub.Tpo .deps/scrub.Po gcc -DHAVE_CONFIG_H -I. -I../config -g -O2 -MT sig.o -MD -MP -MF .deps/sig.Tpo -c -o sig.o sig.c mv -f .deps/sig.Tpo .deps/sig.Po gcc -DHAVE_CONFIG_H -I. -I../config -g -O2 -MT util.o -MD -MP -MF .deps/util.Tpo -c -o util.o util.c mv -f .deps/util.Tpo .deps/util.Po /bin/sh ../libtool --tag=CC --mode=link gcc -g -O2 -o scrub aes.o filldentry.o fillfile.o genrand.o getsize.o hwrand.o pattern.o progress.o scrub.o sig.o util.o -lpthread libtool: link: gcc -g -O2 -o scrub aes.o filldentry.o fillfile.o genrand.o getsize.o hwrand.o pattern.o progress.o scrub.o sig.o util.o -lpthread make[1]: Leaving directory `/home/garlick/proj/scrub/scrub/scrub-2.6.0/src' Making all in man make[1]: Entering directory `/home/garlick/proj/scrub/scrub/scrub-2.6.0/man' make[1]: Nothing to be done for `all'. make[1]: Leaving directory `/home/garlick/proj/scrub/scrub/scrub-2.6.0/man' Making all in test make[1]: Entering directory `/home/garlick/proj/scrub/scrub/scrub-2.6.0/test' make[1]: Nothing to be done for `all'. make[1]: Leaving directory `/home/garlick/proj/scrub/scrub/scrub-2.6.0/test' make[1]: Entering directory `/home/garlick/proj/scrub/scrub/scrub-2.6.0' make[1]: Nothing to be done for `all-am'. make[1]: Leaving directory `/home/garlick/proj/scrub/scrub/scrub-2.6.0' $ To scrub the second partition on Linux disk /dev/sda using default NNSA algorithm, do the following. Note that for normal SATA disks this will take some time. $ src/scrub /dev/sda2 scrub: using NNSA NAP-14.1-C patterns scrub: please verify that device size below is correct! scrub: scrubbing /dev/sda2 6234762240 bytes (~5GB) scrub: random |................................................| scrub: random |................................................| scrub: 0x00 |................................................| scrub: verify |................................................| $