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How to recompile a Linux Kernel

  • Getting the Kernel Sources

The most recent releases of the kernel sources are available on ftp.kernel.org. You will want to wget the file to /usr/src or use FTP to upload it.

  • Configuring For a Build
  1. If /usr/src/linux is not found you can cd /usr/src;mkdir linux;ln -s linux-2.* linux
  2. cd /usr/src/linux
  3. make menuconfig or make oldconfig to carry over your old settings
  • Make the kernel
  1. make bzImage
  2. make modules
  3. make modules_install
  4. make install

To save time you can use make bzImage;make modules;make modules_install;make install

  • Setting Kernel to Boot

One Time boot

  1. Type grub in command prompt
  2. Then type savedefault default=0 once
  3. Type quit
  4. Reboot

For full time

  1. vi /etc/grub.conf
  2. Change default=# to the number of the new kernel
  3. Reboot
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This entry was posted on Tuesday, February 5th, 2008 at 4:54 pm and is filed under Linux Tutorials. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

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