Hi All.. My boot partition is filling up (Linux with WHM) and using SSH and the grep kernel command I got this:

kernel-devel-2.6.9-55.0.12.EL
kernel-devel-2.6.9-55.0.6.EL
kernel-2.6.9-67.0.15.EL
kernel-2.6.9-78.0.8.EL
kernel-2.6.9-78.0.22.EL
kernel-devel-2.6.9-89.29.1.EL
kernel-devel-2.6.9-89.31.1.EL
kernel-utils-2.4-23.el4
kernel-hugemem-devel-2.6.9-100.EL
kernel-2.6.9-100.EL
kernel-devel-2.6.9-67.EL
kernel-devel-2.6.9-55.0.9.EL
kernel-devel-2.6.9-89.0.7.EL
kernel-devel-2.6.9-89.0.20.EL
kernel-2.6.9-89.0.25.EL
kernel-devel-2.6.9-89.33.1.EL
kernel-2.6.9-78.0.5.EL
kernel-2.6.9-89.0.11.EL
kernel-devel-2.6.9-89.0.16.EL
kernel-2.6.9-89.0.18.EL
kernel-2.6.9-89.0.28.EL
kernel-devel-2.6.9-42.EL
kernel-2.6.9-55.0.9.EL
kernel-2.6.9-55.0.6.EL
kernel-devel-2.6.9-67.0.7.EL
kernel-devel-2.6.9-67.0.20.EL
kernel-devel-2.6.9-67.0.22.EL
kernel-devel-2.6.9-78.0.8.EL
kernel-devel-2.6.9-78.0.17.EL
kernel-devel-2.6.9-89.0.11.EL
kernel-2.6.9-89.0.16.EL
kernel-devel-2.6.9-89.0.19.EL
kernel-2.6.9-89.0.20.EL
kernel-2.6.9-89.0.23.EL
kernel-devel-2.6.9-89.0.25.EL
kernel-2.6.9-89.0.29.EL
kernel-2.6.9-89.29.1.EL
kernel-smp-devel-2.6.9-100.EL
kernel-2.6.9-55.0.12.EL
kernel-2.6.9-67.EL
kernel-2.6.9-55.0.2.EL
kernel-devel-2.6.9-67.0.4.EL
kernel-2.6.9-67.0.22.EL
kernel-devel-2.6.9-78.0.13.EL
kernel-2.6.9-89.0.9.EL
kernel-devel-2.6.9-89.0.18.EL
kernel-devel-2.6.9-89.0.29.EL
kernel-2.6.9-89.33.1.EL
kernel-devel-2.6.9-67.0.15.EL
kernel-2.6.9-67.0.20.EL
kernel-2.6.9-42.EL
kernel-2.6.9-67.0.7.EL
kernel-devel-2.6.9-78.0.1.EL
kernel-devel-2.6.9-78.0.5.EL
kernel-devel-2.6.9-89.0.15.EL
kernel-devel-2.6.9-89.0.23.EL
kernel-devel-2.6.9-89.0.28.EL
kernel-2.6.9-89.31.1.EL
kernel-devel-2.6.9-89.35.1.EL
kernel-2.6.9-67.0.1.EL
kernel-devel-2.6.9-55.0.2.EL
kernel-devel-2.6.9-67.0.1.EL
kernel-2.6.9-67.0.4.EL
kernel-2.6.9-78.0.1.EL
kernel-2.6.9-78.0.13.EL
kernel-2.6.9-78.0.17.EL
kernel-devel-2.6.9-78.0.22.EL
kernel-devel-2.6.9-89.0.9.EL
kernel-2.6.9-89.0.15.EL
kernel-2.6.9-89.0.19.EL
warning: only V3 signatures can be verified, skipping V4 signature
kernel-2.6.9-89.35.1.EL
kernel-devel-2.6.9-100.EL

I checked which kernel I'm currently running using this command:

uname -r and got this

2.6.9-89.0.23.EL


How many of these old kernels should I delete and how many would you suggest I leave? I've been told leave three but not sure which ones and if I have to go give a command to delete each individually or is there a global command I can use to delete kernels in a parameter.

Thanks in advance.