FreeBSD Jumpstart Guide
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# 3 Bootstrap Setup

1. Download bootfiles: Download the kern.flp and mfsroot.flp floppy images.

2. Set up tftp/pxe-boot directory:

   1. Put pxeboot in the boot directory:

          # rm -rf /usr/obj/*
          # cd /usr/src/sys/boot
          # make
          # cp /usr/src/sys/boot/i386/pxeldr/pxeboot /usr/tftpboot

   2. Using the vndevice mount the `kern.flp` file and copy its contents to `/usr/tftpboot`:

          # mdconfig -a -t vnode -f kern.flp -u 0 # (vnconfig vn0 kern.flp) associate a vndevice with the file
          # mount /dev/md0 /mnt # (mount /dev/vn0 /mnt) mount it
          # cp -R /mnt /usr/tftpboot # copy the contents to /usr/tftpboot
          # umount /mnt              # unmount it
          # vnconfig -u vn0          # disassociate the vndevice from the file

3. Compile a custom kernel for the clients (particularly to avoid the device config screen at boot) and stick it in `/usr/tftpboot`.

4. Make a special `loader.rc` to and install it in `/usr/tftpboot/boot/loader.rc` so that it does not prompt for the second disk, here is mine.

5. Extract the installer and helper utilities from the mfsroot disk and uncompress them, put them in `/usr/tftpboot` as well:

       # vnconfig vn0 mfsroot.flp         # associate a vndevice with the file
       # mount /dev/vn0 /mnt              # mount it
       # cp /mnt/mfsroot.gz /usr/tftpboot # copy the contents to /usr/tftpboot
       # umount /mnt                      # unmount it
       # vnconfig -u vn0                  # disassociate the vndevice from the file
       # cd /usr/tftpboot                 # get into the pxeboot directory
       # gunzip mfsroot.gz                # uncompress the mfsroot

6. Make your sysinstall script `install.cfg`, you can use mine as a template, but you must edit it.

7. Copy the sysinstall script into the extracted and uncompressed mfsroot image:

       # cd /usr/tftpboot
       # vnconfig vn0 mfsroot
       # mount /dev/vn0 /mnt
       # cp install.cfg /mnt
       # umount /mnt
       # vnconfig -u vn0

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