Kernel updates

After updating the kernel source with portage:

1. Set symlink to new version
   1. eselect kernel list
   2. sudo eselect kernel set <n> (with n the number of the desired kernel version
2. Copy the .config file to the new kernel folder
   1. sudo cp /usr/src/linux-1.2.3-gentoo/.config /usr/src/linux/.config (where 1.2.3 is the currently running kernel version)
3. Update the .config for new items
   1. cd /usr/src/linux
   2. sudo make oldconfig
   3. Adjust new options as needed
4. Build the kernel:
   1. sudo make
   2. sudo make modules_install
   3. sudo make install

See also

• Gentoo wiki docs: https://wiki.gentoo.org/wiki/Kernel/Upgrade