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# Original version from http://www.linux-live.org/
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# Original version from http://www.linux-live.org/
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#
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#
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# modified by Urs Beyerle, PSI
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# modified by Urs Beyerle, PSI
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# - to allow LiveCD mounted over NFS
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# - to allow LiveCD mounted over NFS
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# - add support for LiveCD on SATA devices
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# - add support for LiveCD on SATA devices
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# - to allow LiveCD mounted over CIFS
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export PATH=.:/:/usr/sbin:/usr/bin:/sbin:/bin
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export PATH=.:/:/usr/sbin:/usr/bin:/sbin:/bin
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. liblinuxlive
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. liblinuxlive
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IMAGES=$MEMORY/images
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IMAGES=$MEMORY/images
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INITRAMDISK=$MOUNTDIR/live
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INITRAMDISK=$MOUNTDIR/live
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# set NFSROOT if nfsroot= in boot parameter
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# set NFSROOT if nfsroot= in boot parameter
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NFSROOT="`cmdline_value nfsroot`"
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NFSROOT="`cmdline_value nfsroot`"
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NFS_OPTS="`cmdline_value nfs_opts`"
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# cifs boot parameters
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CIFSROOT="`cmdline_value cifsroot`"
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CIFS_OPTS="`cmdline_value cifs_opts`"
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# we need cdrom support, isofs support, unionfs/aufs support, etc
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# we need cdrom support, isofs support, unionfs/aufs support, etc
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modprobe_essential_modules
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modprobe_essential_modules
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# disable DMA if nodma parameter is used
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# disable DMA if nodma parameter is used
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setup_dma
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setup_dma
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$DEBUGCMD
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$DEBUGCMD
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# if NFSROOT is set:
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# if NFSROOT is set:
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echolog "check for nfsroot"
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echolog "check for nfsroot or cifsroot"
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if [ "$NFSROOT" != "" ]; then
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if [ "$NFSROOT" != "" ]; then
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   # load network modules, if NFSROOT is set
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   echolog "nfsroot: $NFSROOT"
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   echolog "nfsroot: $NFSROOT"
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   load_network_modules
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   $DEBUGCMD
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   # load network modules, if NFSROOT is set
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   echolog "load network modules"
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   load_network_modules
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   $DEBUGCMD
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   $DEBUGCMD
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   # get DHCP lease
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   # get DHCP lease
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   get_dhcp_lease
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   get_dhcp_lease
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   $DEBUGCMD
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   $DEBUGCMD
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    # we need nfs modules loaded, if NFSROOT is set
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    # we need nfs modules loaded, if NFSROOT is set
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    modprobe_nfs_modules
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    modprobe_nfs_modules
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# if CIFSROOT is set
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elif [ "$CIFSROOT" != "" ]; then
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   echolog "cifsroot: $CIFSROOT"
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   $DEBUGCMD
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   # load network modules, if CIFSROOT is set
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   echolog "load network modules"
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   load_network_modules
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   $DEBUGCMD
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   # get DHCP lease
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   get_dhcp_lease
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   $DEBUGCMD
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    # we need cifs modules loaded, if CIFSROOT is set
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    modprobe_cifs_modules
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fi
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fi
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$DEBUGCMD
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$DEBUGCMD
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# $UNION will be used as a root directory, livecd modules will be added soon.
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# $UNION will be used as a root directory, livecd modules will be added soon.
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echolog "changing root directory..."
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echolog "changing root directory..."
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cd $UNION
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cd $UNION
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mkdir -p $INITRAMDISK
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mkdir -p $INITRAMDISK
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umount /sys # we won't need it anymore
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umount /sys # we won't need it anymore
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if [ ! -e $UNION/dev/console ]; then mknod $UNION/dev/console c 5 1; fi
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# if [ ! -e $UNION/dev/console ]; then mknod $UNION/dev/console c 5 1; fi
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# Copy all dev files (found by mdev) to unioned dev directory
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# so at least disk devices exist (your Linux may need them).
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# Two exceptions, do not copy pty* and tty* devs.
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if [ ! -e /dev/console ]; then mknod /dev/console c 5 1; fi
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cp -fdR /dev . 2>/dev/null
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if [ -x $UNION/usr/sbin/chroot ];
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if [ -x $UNION/usr/sbin/chroot ];
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  then CHROOT=/usr/sbin/chroot
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  then CHROOT=/usr/sbin/chroot
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  else CHROOT=/usr/bin/chroot
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  else CHROOT=/usr/bin/chroot
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fi
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fi