Here is my current info, should have increased it to like 500M or so at least.
Filesystem Size Used Avail Use% Mounted on/dev/sda1 96M 33M 59M 36% /boot
ls /boot
config-2.6.32-358.el6.x86_64
efi
grub
initramfs-2.6.32-358.el6.x86_64.img
initrd-2.6.32-358.el6.x86_64kdump.img
lost+found
symvers-2.6.32-358.el6.x86_64.gz
System.map-2.6.32-358.el6.x86_64
vmlinuz-2.6.32-358.el6.x86_64
On Tuesday, October 10, 2017 10:17:46 AM, Pete Biggs <pete at biggs.org.uk> wrote:
On Tue, 2017-10-10 at 13:55 +0000, KM wrote:
> First off - let me say I am not an administrator. I need to know if
> there is an easy way to increase my /boot partition. When I
> installed CentOS 6 after running 5, it was my oversight not to
> increase the /boot size. it's too small and I can't do yum updates.
How big is it?
> if it's not easy to actually increase it, is it safe to take a chunk
> in my root filesystem (like /new.boot or something) and just mount it
> as /boot from now on so it uses the space or is that not a good
> idea? I am sure I could easily copy the rpms/kernel stuff over to it
> and then unmounts the real /boot and mount this new area as /boot.
> Can you administrators let me know what you think of all this?
No, you can't do that. /boot is special and needs to be a separate
partition.
The most likely cause of your problems is that you have multiple
kernels installed - when you boot the machine do you see multiple
versions on the grub boot screen? If you don't need the previous
versions then they can just be deleted using yum: do 'rpm -q kernel' to
see which kernels are installed and 'uname -r' to see which version you
are currently running (it should be the same as the highest version
installed). You can then use 'yum erase ...' to remove the old
kernels. It's always handy to have a version or two old ones in case of
emergency so I always leave three on a system.
The multiple versions installed of some things - i.e. the kernel - is
controlled by a yum variable in /etc/yum.conf called
'installonly_limit'. It's probably set to 5 at the moment, you can set
it to 3 safely and that is usually sufficient to stop /boot filling up.
P.
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