> you're probably looking for the package "linux-headers-..." (depending > on your kernel-version). > > Just do "apt-cache search linux-headers" and "uname -a" to find the > appropriate version. thanks, but uname returns 2.6.24-5-rt but this does not appear in aptt-cahce's headers list. the header list contains linux-headers-2.6.24-10-rt linux-headers-2.6.24-8-rt is it ok to take the 10 verison?