[simonphoenix]

in response to the above :
drwxr-xr-x 4 root root 4096 May 5 21:26 .
drwxr-xr-x 16 root root 4096 May 5 18:56 ..
drwxr-xr-x 3 root root 4096 May 5 21:26 kernels
drwxr-xr-x 2 root root 4096 May 5 17:15 lucene

in kernels is advises : /usr/src/kernels/2.6.20-1.2948.fc6-i686/

uname -a replies with :
Linux localhost.localdomain 2.6.20-1.2948.fc6 #1 SMP Fri Apr 27 18:53:15 EDT 2007 i686 i686 i386 GNU/Linux

and
[root@localhost kernels]# rpm -qa|grep -i kernel-devel
kernel-devel-2.6.20-1.2948.fc6

Just incase you need it :
[root@localhost kernels]# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 3
model name : Intel(R) Pentium(R) 4 CPU 3.40GHz
stepping : 4
cpu MHz : 3398.599
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe constant_tsc pni monitor ds_cpl cid xtpr
bogomips : 6799.29
clflush size : 64

processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 3
model name : Intel(R) Pentium(R) 4 CPU 3.40GHz
stepping : 4
cpu MHz : 3398.599
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe constant_tsc pni monitor ds_cpl cid xtpr
bogomips : 6795.78
clflush size : 64