# Filename: /linuxrc
# Purpose: minirt for kernel 2.6 running on grml live-cd
# Authors: (c) Klaus Knopper <knoppix@knopper.net>, (c) Michael Prokop <mika@grml.org>
-# Latest change: Don Nov 16 19:08:07 CET 2006 [mika]
+# Latest change: Sun Mar 04 13:47:33 CET 2007
#######################################################################################
# hardcoded configurable options
case "$CMDLINE" in *grml_dir=*) GRML_DIR="$grml_dir"; ;; esac
case "$CMDLINE" in *grml_name=*) GRML_NAME="$grml_name"; ;; esac
+# NFS
+for i in $cmdline; do case "$i" in nfsdir=*|NFSDIR=*) eval $i;; esac; done
+[ -n "$nfsdir" ] && NFS="$nfsdir"
+
if [ -n "$DEBUG" ]; then
log_begin_msg "Bootoption debug detected. Printing kernel command line:"
echo ""
if test -z "$NOFIREWIRE" ; then
log_begin_msg "Checking for Firewire."
if test -f /modules/div/ieee1394.ko ; then
- $insmoD /modules/div/ieee1394.ko > /dev/null 2>&1
+ $INSMOD /modules/div/ieee1394.ko > /dev/null 2>&1
FOUNDFIREWIRE=""
test -f /modules/div/ohci1394.ko && $INSMOD /modules/div/ohci1394.ko > /dev/null 2>&1 && FOUNDFIREWIRE="yes"
if test -n "$FOUNDFIREWIRE" ; then
stage=2
rundebugshell
-# NFS
-for i in $cmdline; do case "$i" in nfsdir=*|NFSDIR=*) eval $i;; esac; done
-[ -n "$nfsdir" ] && NFS="$nfsdir"
if [ -n "$NFS" ]; then
tmp_="$(getbootparam nfsdir)"
log_begin_msg "Bootoption NFS found." ; echo "$SUCCESS"
- # put the mylibs into /lib for discover and udhcpc
cdir
- # starting hw-detection for network card - currently broken, so don't use it
- # echo "Starting hw-detection"
- # kernel_version_=`uname -r`
- # modules_to_load=$(/static/discover --disable-bus all --enable-bus pci --type network --normalize-whitespace --data-path=linux/module/name --data-version=$kernel_version_ | grep -v '^ $' | uniq)
- # echo "trying to load the following network modules: \"$modules_to_load\""
-
- KERNELVER=`uname -r`
- for mod in `find /lib/modules/$KERNELVER/kernel/drivers/net/ -name \*.ko` ; do
- echo `basename $mod | sed -e 's/\.ko$//'` >> /modules.load
- done
- modules_to_load=`cat /modules.load | xargs`
-
# FIXME modprobe is buggy from busybox
log_begin_msg "Trying to load network driver(s)." ; echo
modLoad()
if [ $? -ne 0 ]; then
continue
fi
- # be quiet by default, be verbose only with bootoption debuglinuxrc
- [ -n "$DEBUG" ] && eval "$tmp_" || eval "$tmp_" 1>/dev/null 2>/dev/null
+ echo "$tmp_" | while read i; do
+ # be quiet by default, be verbose only with bootoption debuglinuxrc
+ [ -n "$DEBUG" ] && eval "$i" || eval "$i" 1>/dev/null 2>/dev/null
+ done
done
}
- modLoad "$modules_to_load"
- rm -f /modules.load
+ # modules.alias and modules.dep are in place so USE IT :)!
+ modLoad "$(for x in $(find /sys/devices/ -name modalias); do grep pci: $x; done |xargs)"
# loading additional modules
modLoad sunrpc lockd af_packet nfs
- for INTERFACE in `ifconfig -a | grep '^eth' | sed 's/\ .*//'` ; do
+ dhcp_iface_=$(getbootparam dhcp_iface)
+ if [ -z "$dhcp_iface_" ]; then
+ dhcp_iface_=`ifconfig -a | grep '^eth' | sed 's/ .*//'`
+ fi
+
+ for INTERFACE in $dhcp_iface_ ; do
log_begin_msg "Requesting network configuration using udhcp for ${INTERFACE}:" ; echo
/static/timeout 10 /static/udhcpc --interface="${INTERFACE}" --foreground --quit --script=/static/udhcp-config.sh
# echo "press <enter> to start a system shell and configure your system"
# sh
done
- # recreate the old dir structures
+ # recreate dir layout + remove extra modules
rdir
- #rm -rf /myusr /mylib
+ #rm -rf /mylib
log_begin_msg "Looking for GRML in: ${MAGENTA}$NFS${NORMAL}" ; echo "$SUCCESS"
if mount -t nfs "$NFS" -o "async,ro,nolock" /cdrom #>/dev/null 2>&1
cat /GRML/etc/ld.so.cache > /etc/ld.so.cache
UNIONFS=""
-$INSMOD /modules/unionfs.ko 1>/dev/null
-grep -q unionfs /proc/filesystems && UNIONFS=yes
-
-# Enable kernel messages
-echo "6" > /proc/sys/kernel/printk
+if checkbootparam "unionfs" ; then
+ $INSMOD /modules/unionfs.ko 1>/dev/null
+ grep -q unionfs /proc/filesystems && UNIONFS=yes
+ unionfs='unionfs'
+ UNIONFS_FILETYPE='unionfs'
+ AUFS=''
+else
+ $INSMOD /modules/aufs.ko 1>/dev/null
+ grep -q aufs /proc/filesystems && UNIONFS=yes
+ unionfs='unionfs (using aufs)'
+ UNIONFS_FILETYPE='aufs'
+ AUFS='yes'
+fi
# Set paths
log_begin_msg "Setting paths"
TOTALMEM="$(awk 'BEGIN{m=0};/MemFree|Cached/{m+=$2};END{print m}' /proc/meminfo)"
# Be verbose
-log_begin_msg "Total memory found: $FOUNDMEM kB" ; echo " $SUCCESS"
+if [ -n "$FOUNDMEM" ] ; then
+ log_begin_msg "Total memory found: $FOUNDMEM kB" ; echo " $SUCCESS"
+else
+ log_failure_msg "Could not fetch memory information." ; echo " $FAILED"
+fi
# Now we need to use a little intuition for finding a ramdisk size
# that keeps us from running out of space, but still doesn't crash the
# At least this much memory minus 30% should remain when home and var are full.
MINLEFT=16000
# Maximum ramdisk size
-MAXSIZE="$(expr $TOTALMEM - $MINLEFT)"
+[ -n "$TOTALMEM" ] && MAXSIZE="$(expr $TOTALMEM - $MINLEFT)"
# Default ramdisk size for ramdisk
-RAMSIZE="$(expr $TOTALMEM / 5)"
+[ -n "$TOTALMEM" ] && RAMSIZE="$(expr $TOTALMEM / 5)"
# Create additional dynamic ramdisk.
test -z "$RAMSIZE" -o "$RAMSIZE" -lt "$MINSIZE" && RAMSIZE="$MINSIZE"
stage=3
rundebugshell
# unionfs
-log_begin_msg "Creating unionfs and symlinks on ramdisk"
+log_begin_msg "Creating $unionfs and symlinks on ramdisk"
mkdir -p /UNIONFS
-if test -n "$UNIONFS" && /bin/mount -t unionfs -o noatime${SECURE},dirs=/ramdisk=rw:/GRML=ro /UNIONFS /UNIONFS; then
+if test -n "$UNIONFS" && /bin/mount -t $UNIONFS_FILETYPE -o noatime${SECURE},dirs=/ramdisk=rw:/GRML=ro /UNIONFS /UNIONFS ; then
# We now have unionfs, copy some data from the initial ramdisk first
cp -a /etc/fstab /etc/auto.mnt /etc/filesystems /etc/mtab /UNIONFS/etc/
+
+ # disable resolvconf on the terminalserver client
+ if [ -n "$NFS" ] ; then
+ rm /UNIONFS/etc/resolv.conf
+ cp -a /etc/resolv.conf /UNIONFS/etc
+ echo REPORT_ABSENT_SYMLINK=no >> /UNIONFS/etc/default/resolvconf
+ fi
+
for i in bin boot etc sbin var lib opt root usr; do # Move directories to unionfs
if test -d /$i; then
mv /$i /$i.old && \
ln -snf /UNIONFS/$i /$i
fi
done
- echo " $SUCCESS"
+ [ -n "$AUFS" ] && echo " $SUCCESS" || echo " $SUCCESS"
log_begin_msg "Merging read-only system with read-writeable /ramdisk."
for i in $(cd /UNIONFS; echo *); do # Create links for new stuff on /UNIONFS
test "$i" = "home" -o "$i" = "tmp" && continue
echo ""
log_failure_msg "ERROR: CANNOT UNITE READ-ONLY MEDIA AND INITIAL RAMDISK!"
echo "$FAILED"
- NOUNIONFS="yes"
- /GRML/sbin/halt -f -n
+ sleep 2
+ echo "Can not continue booting, dropping you to a busybox shell."
+ stage=4
+ rundebugshell
fi
chown grml.grml /home/grml