#!/bin/sh
umask 022

/etc/init.d/autofs stop

# remove only "temporary" or saved files in the given directories
nuke(){
for i in `find "$@" -name \*.gz -o -name \*.bz2 -o -name \*.0 -o -name \*.0.log -o -name browse.dat 2>/dev/null`; do
rm -f "$i"
done
}

# set all files in the given directories to a length of zero
zero(){
for i in `find "$@" -type f -size +0 -not -name \*.ini 2>/dev/null`; do
:> "$i"
done
}

rmdir /mnt/cdrom?* /mnt/hd?* 2>/dev/null
rm -f /etc/ifstate /etc/X11/XF86Config /etc/X11/XF86Config-4 \
/etc/XF86Config /etc/XF86Config-4 /etc/sysconfig/* \
/etc/ssh/*key* \
/etc/samba/*.SID /var/lib/samba/* /var/cache/samba/* /etc/samba/*.tdb \
/dev/mouse* /dev/cdrom* /dev/cdwriter* \
/var/run/*/* /var/run/* /var/log/ksymoops/* /var/lock/*/* /var/lock/* \
/var/state/*/* /var/state/* /var/log/nessus/* /var/lib/nessus/* \
/halt /reboot /ash.static /etc/dhcpc/*.info /etc/dhcpc/resolv* \
/etc/resolv.conf /etc/*passwd- /etc/*shadow- /etc/*group- 2>/dev/null
mkdir -p /etc/sysconfig/network-scripts /etc/sysconfig/provider
cat >/etc/dhcpc/resolv.conf <<EOT
# insert nameservers here
# nameserver 127.0.0.1
EOT
chmod 644 /etc/dhcpc/resolv.conf
ln -s /etc/dhcpc/resolv.conf /etc/
rm -rf /tmp/* /var/tmp/* /var/backups/* /.ssh /root/.ssh /home/*/.ssh \
/root/.bash_history /home/*/.bash_history \
/home/knoppix/* /home/knoppix/.??* /var/lib/texmf/ls-R \
/var/spool/texmf/ls-R /var/run/screen/*
nuke /var/log /var/cache
zero /var/local /var/log /var/spool /var/mail \
/var/lib/games /var/cache/man /var/lib/wine \
/var/lib/nfs /var/lib/xkb

for i in `find /usr/*/man -name \*.\[0-9ln\]` ; do
[ -f "$i".gz -o -f "$i".bz2 ] && rm -f "$i"
done

# delete old dowloaded packages
apt-get clean

# Recreate empty utmp and wtmp
:>/var/run/utmp
:>/var/run/wtmp
# regenerate module dependencies and ls.so.cache
echo -n "Updating ld.so.cache..."
ldconfig
echo " Done."
echo -n "Updating modules.dep..."
depmod -a 2>/dev/null
echo " Done."
echo -n "Updating texhash..."
mktexlsr
echo " Done."
echo -n "Updating mandb..."
mandb -c
man doesnotexist >/dev/null 2>&1
echo " Done."
echo -n "Updating menus..."
/usr/sbin/mkmenusfromkde
echo " Done."
echo -n "Updating locate-database..."
updatedb --prunepaths="/KNOPPIX.build /mnt/hd /mnt/cdrom /tmp /usr/tmp /var/tmp"
echo " Done."

echo -n "Fixing permissions in /dev/..."
chown root.root /dev/ttyp*
chmod 666 /dev/ttyp* /dev/sg* /dev/audio* /dev/dsp* /dev/mixer* /dev/sequencer*
echo " Done".

echo -n "Removing unused architecture Kernel sources: "
for i in `ls -1 /usr/src/linux/arch/ | grep -v i386`; do
echo -n "$i "; rm -rf /usr/src/linux/arch/"$i" /usr/src/linux/include/asm-"$i"
done
echo " Done."

echo -n "Creating auto.mnt..."
cat >/etc/auto.mnt <<EOT
# Knoppix automounter file for Directory /mnt/auto
# umask=000 only works for msdos/vfat floppies, but otherwise the floppy is read-only.
floppy -fstype=auto,user,exec,umask=000 :/dev/fd0
cdrom -fstype=auto,user,exec,ro :/dev/cdrom
# The following entries (if any) are auto-generated by knoppix-autoconfig
EOT
echo " Done".
echo "Setting OpenOffice Link to default EN"
rm -f /etc/alternatives/soffice.resource ; ln -sf /opt/openoffice/program/resource-en /etc/alternatives/soffice.resource