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@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.
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