Boot partition full

I'm not sure why it's so small but its only 97mb.

I've done the following checks but am still not sure exactly what's safe to remove. Could someone please clarify this for me.

Code:

root@srv05 [~]# uname -a
Linux srv05.domain.com 2.6.32-431.11.2.el6.x86_64 #1 SMP Tue Mar 25 19:59:55 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

root@srv05 [~]# rpm -qa | grep kernel
abrt-addon-kerneloops-2.0.8-21.el6.centos.x86_64
kernel-2.6.32-220.el6.x86_64
kernel-firmware-2.6.32-431.11.2.el6.noarch
kernel-headers-2.6.32-431.11.2.el6.x86_64
kernel-2.6.32-220.23.1.el6.x86_64
libreport-plugin-kerneloops-2.0.9-19.el6.centos.x86_64
kernel-2.6.32-431.11.2.el6.x86_64
dracut-kernel-004-336.el6_5.2.noarch
kernel-2.6.32-220.13.1.el6.x86_64

root@srv05 [~]# rpm -e kernel
error: "kernel" specifies multiple packages:
  kernel-2.6.32-220.el6.x86_64
  kernel-2.6.32-220.13.1.el6.x86_64
  kernel-2.6.32-220.23.1.el6.x86_64
  kernel-2.6.32-431.11.2.el6.x86_64

root@srv05 [~]# rpm -q kernel kernel-smp
kernel-2.6.32-220.el6.x86_64
kernel-2.6.32-220.13.1.el6.x86_64
kernel-2.6.32-220.23.1.el6.x86_64
kernel-2.6.32-431.11.2.el6.x86_64
package kernel-smp is not installed


ls -lah /boot
total 87M
dr-xr-xr-x.  5 root root 3.0K Apr 10 09:44 ./
dr-xr-xr-x. 25 root root 4.0K Apr  9 14:41 ../
-rw-r--r--   1 root root  99K Apr 18  2012 config-2.6.32-220.13.1.el6.x86_64
-rw-r--r--   1 root root  99K Jun 18  2012 config-2.6.32-220.23.1.el6.x86_64
-rw-r--r--.  1 root root  99K Dec  6  2011 config-2.6.32-220.el6.x86_64
-rw-r--r--   1 root root 103K Mar 25 20:25 config-2.6.32-431.11.2.el6.x86_64
drwxr-xr-x.  3 root root 1.0K Apr 20  2012 efi/
drwxr-xr-x.  2 root root 1.0K Apr  9 14:11 grub/
-rw-r--r--   1 root root  15M Apr 20  2012 initramfs-2.6.32-220.13.1.el6.x86_64.img
-rw-r--r--   1 root root  15M Jul  6  2012 initramfs-2.6.32-220.23.1.el6.x86_64.img
-rw-r--r--.  1 root root  15M Apr 20  2012 initramfs-2.6.32-220.el6.x86_64.img
-rw-------   1 root root  17M Apr  9 14:11 initramfs-2.6.32-431.11.2.el6.x86_64.img
drwx------.  2 root root  12K Apr 20  2012 lost+found/
-rw-r--r--   1 root root 168K Apr 18  2012 symvers-2.6.32-220.13.1.el6.x86_64.gz
-rw-r--r--   1 root root 168K Jun 18  2012 symvers-2.6.32-220.23.1.el6.x86_64.gz
-rw-r--r--.  1 root root 168K Dec  6  2011 symvers-2.6.32-220.el6.x86_64.gz
-rw-r--r--   1 root root 190K Mar 25 20:26 symvers-2.6.32-431.11.2.el6.x86_64.gz
-rw-r--r--   1 root root 2.3M Apr 18  2012 System.map-2.6.32-220.13.1.el6.x86_64
-rw-r--r--   1 root root 2.3M Jun 18  2012 System.map-2.6.32-220.23.1.el6.x86_64
-rw-r--r--.  1 root root 2.3M Dec  6  2011 System.map-2.6.32-220.el6.x86_64
-rw-r--r--   1 root root 2.5M Mar 25 20:25 System.map-2.6.32-431.11.2.el6.x86_64
-rwxr-xr-x   1 root root 3.8M Apr 18  2012 vmlinuz-2.6.32-220.13.1.el6.x86_64*
-rw-r--r--   1 root root  171 Apr 18  2012 .vmlinuz-2.6.32-220.13.1.el6.x86_64.hmac
-rwxr-xr-x   1 root root 3.8M Jun 18  2012 vmlinuz-2.6.32-220.23.1.el6.x86_64*
-rw-r--r--   1 root root  171 Jun 18  2012 .vmlinuz-2.6.32-220.23.1.el6.x86_64.hmac
-rwxr-xr-x.  1 root root 3.8M Dec  6  2011 vmlinuz-2.6.32-220.el6.x86_64*
-rw-r--r--.  1 root root  166 Dec  6  2011 .vmlinuz-2.6.32-220.el6.x86_64.hmac
-rwxr-xr-x   1 root root 4.0M Mar 25 20:25 vmlinuz-2.6.32-431.11.2.el6.x86_64*
-rw-r--r--   1 root root  171 Mar 25 20:25 .vmlinuz-2.6.32-431.11.2.el6.x86_64.hmac

 

Thanks. The size of the boot partition is as set by Softlayer but the recommended amount is 99mb so if more is required then the recommended levels need to be changed.

I'm still not 100% sure which are safe to remove... Is that anything before kernel-2.6.32-431.11.2.el6.x86_64?

And would the yum command be "yum remove kernel-2.6.32-220.el6.x86_64" or do I need to list each of the files individually?

 

Thank you for your help guys. I read though it again and removed the oldest unused files.

I didn't realise that the one command would remove all the files for that version.