If you want to install KLIPS using a binary package, you must be running a kernel for which a binary package of KLIPS has been built. If you are running your own compiled kernel, you cannot install a binary package of KLIPS. The Openswan project precompiles binary KLIPS packages for a number of known binary kernels as shipped by the major distributions. Note that these packages are also different depending on the CPU you are using; or rather the CPU model of the kernel of the kernel package you are currently using.
You can determine which kernel packages are installed on your system using the package manager.
# rpm -q kernel kernel-smp
kernel-2.6.7-1.478
kernel-2.6.8-1.520
Here, two kernel packages have been installed. Most packages don't allow multiple versions to be installed simultaneously, but the kernel is an exception; you might need to fall back to the older kernel if the new one doesn't boot your system. The bootloader (grub
or lilo
)...