#
#
# At each compilation, those files are different (most include a timestamp)
/boot/System.map                                        symlink to /boot/System.map-`/bin/uname -r`
/boot/vmlinuz                                           symlink to /boot/vmlinuz-`/bin/uname -r`
/boot/vmlinuz-KVER					contain the timestamp seen with uname -a
/etc/issue						contains IPCop version number
/etc/ld.so.cache                                        list of libraries will be regenerated by ldconfig automatically
/etc/shadow						contains 'Last password change' (days since 1-1-1970)
/lib/modules/KVER/kernel/drivers/char/nozomi.ko.gz	__DATE__
/lib/modules/KVER/kernel/drivers/scsi/in2000.ko.gz	__DATE__
/lib/modules/KVER/modules.alias				random alias order
/lib/modules/KVER/modules.dep				random modules order
/lib/udev/devices/core					link to /proc/kcore (the memory space)
/lib/udev/devices/stderr
/lib/udev/devices/stdout
/root/.gnupg/trustdb.gpg
/usr/lib/mkinitramfs.tar.gz				contain at least busybox compilation date
/usr/lib/perl5/PERLVER/MACHINE-linux/Config_heavy.pl	contain uname -a, configuration time,...
/var/cache/ldconfig/aux-cache
#
#
# Those files md5 do not vary on the same machine but depend of the building machine
/etc/mtab				depend on the devices/partitions mounted on the building machine
/lib/libc-2.11.2.so			contain kernel version '2.6.18-6-686'
/lib/libc.so.6				symlink to /lib/libc-2.11.2.so
/usr/lib/perl5/PERLVER/MACHINE-linux/Config.pm	contain kernel osvers => '2.6.18-6-686'
/usr/lib/perl5/PERLVER/MACHINE-linux/Errno.pm	contain kernel osvers => '2.6.18-6-686'
#
#
# Other files with varying reasons
/usr/sbin/lsof                  contains building environment info (IPCop kernel version and gcc version)
# Something leak from toolchain. Each time toolchain is recompiled, different libc, libm, libpthread are produced
