Help with linux kernel compilation script

i wrote a script to compile the kernel:

cd /usr/src/linux-2.4.18-14custom
make bzImage
make modules
make modules_install
cd arch/i386/boot
yes|cp bzImage /boot/vmlinuz-2.4.18-14custom
cd /boot
yes|mv 2.4.18-14custom.img 2.4.18-14custom.img.back
mkinitrd 2.4.18-14custom.img 2.4.18-14custom
reboot

if i execute every line in the console it works, but when I put all of them in the script it executes only this 2 lines and ends:

    make bzImage
    make modules

any ideas to mak开发者_开发技巧e it work?

kernel building

make -C /usr/src/linux help shows the options for building and installing a kernel.

• initramfs allows for a built-in initrd equivalent that requires no post-build effort. I don't know if that's been backported to linux-2.4; but why 2.4?

• Use make all install modules_install to install everything. Maybe 2.4 Makefiles require a separate "modules" target too.

After switching to initramfs, it's likely everything can be accomplished with one make command:

 make -C /usr/src/linux  all install modules_install

Scripts

For an example install script see arch/i386/boot/install.sh. Also, seen the Makefile in that same directory to see how it all works. If a system-wide installkernel script exists (/sbin/installkernel in Gentoo), or a user one $HOME/bin/installkernel, that'll be used.

The script originally posted with this question will work under the right conditions. I ran it; but faked mkinitrd, and skipped reboot.

• The script does not check for failure. It should stop if make fails, and not fail if the old fies for mv or cp don't exist.
• cosmetic: yes|mv and yes|cp should be replaced with cp -f and mv -f. See the man pages (or mv --help, cp --help).