Compiling a custom kernel on RedHat Enterprise

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Compiling a custom kernel on RedHat Enterprise

Andrew P Myers : 25/05/2004


# The following commands can be used to compile a new
# linux kernel, e.g. to include IEEE1394 support.

# You will need to do this everytime there is a kernel update, so download and install these first. Then,

# Make a backup of /boot/grub.conf
cp /boot/grub.conf /boot/grub.conf.backup

cd /usr/src/linux-2.4.21-15.EL     # or whatever the latest kernel is
make mrproper
make config                 # yes to all (default = y = )
          # "make xconfig" needs to import initial config file - fiddly!
         # leda/dram=P4 ; castor/pollux=athlon
make dep
make clean
make bzImage
make modules
make modules_install        # populates /lib/modules – look for ieee1394

# Now install the new kernel in /boot

cp System.map /boot/System.map-2.4.21-15.ELcustom
cp arch/i386/boot/bzImage /boot/vmlinuz-2.4.21-15.ELcustom
cp .config /boot/config-2.4.21-15.ELcustom
cp vmlinux /boot/vmlinux-2.4.21-15.ELcustom
mkinitrd /boot/initrd-2.4.21-15.ELcustom.img 2.4.21-15.ELcustom

# Now edit /boot/grub/grub.conf to boot into new kernel.

vi /boot/grub/grub.conf

# Insert something like:

title Red Hat Enterprise Linux WS (2.4.21-15.EL with IEEE1394)
  root (hd0,0)
  kernel /vmlinuz-2.4.21-15.ELcustom ro root=LABEL=/ hda=ide-scsi
  initrd /initrd-2.4.21-15.ELcustom.img

# And change the default boot kernel ID in grub.conf
# Now reboot!!!


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