I just print the kernel rpms that need to install on my redhat machine (version 6.5)

# yum list-security --security | grep kernel-[0-9]

    RHSA-2014:1143 security kernel-2.6.18-371.12.1.el5.x86_64
    RHSA-2014:1959 security kernel-2.6.18-400.el5.x86_64
    RHSA-2014:2008 security kernel-2.6.18-400.1.1.el5.x86_64
    RHSA-2015:0164 security kernel-2.6.18-402.el5.x86_64
    RHSA-2015:0783 security kernel-2.6.18-404.el5.x86_64
    RHSA-2015:1042 security kernel-2.6.18-406.el5.x86_64
    RHSA-2016:0045 security kernel-2.6.18-408.el5.x86_64
    RHSA-2016:0450 security kernel-2.6.18-409.el5.x86_64

in case I want to install all security kernel rpms ( as displayed ) is that mean that all 8 (initrd & vmlinuz) kernels files will be installed under /boot ?

I am asking this question because I have small free available size on /boot

remark - the yum command that installed all the security packages is:

     yum -y update --security

example what I have now under /boot:

# ls /boot
   System.map-2.6.18-371.11.1.el5  grub                             lost+found                      vmlinuz-2.6.18-371.11.1.el5
   config-2.6.18-371.11.1.el5      initrd-2.6.18-371.11.1.el5.img  symvers-   2.6.18-371.11.1.el5.gz

Yes, all 8 will be installed in /boot

I would recommend installing them in groups and once You boot from newer kernel move old one to archive as You might need it maybe in the future.

  • after installation (yum -y update --security) I see that only the latest kernel was installed - kernel-2.6.18-409.el5.x86_64 , how it can be ?
    – dandan
    Jun 16 '16 at 16:41
  • where are all the list , why I not see the other kernels (no under /boot ) and no in grub.conf ?? , whats happend here ?
    – dandan
    Jun 16 '16 at 16:42
  • well I have to say that I'm puzzled, have You rebooted after upgrade? Is the new kernel loaded?
    – Crou
    Jun 16 '16 at 17:30
  • I not reboot the OS but the grub.conf net defined all the kernel only one new in grub.conf
    – dandan
    Jun 18 '16 at 18:20

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