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kernel upgradation or change in RHEL

Posted 01-24-2012 at 04:46 AM by deep27ak
Updated 08-18-2012 at 04:02 AM by deep27ak

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chek your version of kernel
Code:
#rpm -qa | grep kernel
go to your repository location as I have mine inside yum directory
Code:
#rpm -ivh /yum/kernel-2.6.18-8.el5.i686.rpm
you will find two entries in your grub.conf
Code:
#vi /boot/grub/grub.conf
default=1
timeout=5
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
hiddenmenu
title Red Hat Enterprise Linux Server (2.6.18-8.el5xen)
        root (hd0,0)
        kernel /boot/xen.gz-2.6.18-8.el5
        module /boot/vmlinuz-2.6.18-8.el5xen ro root=LABEL=/ rhgb quiet
        module /boot/initrd-2.6.18-8.el5xen.img
title Red Hat Enterprise Linux Server (2.6.18-8.el5)
        root (hd0,0)
        kernel /boot/.gz-2.6.18-8.el5
        module /boot/vmlinuz-2.6.18-8.el5 ro root=LABEL=/ rhgb quiet
        module /boot/initrd-2.6.18-8.el5.img
change the
Code:
default=1 ---> default=0
and boot your OS and if your machine boots up properly
then remove the old kernel

Code:
#rpm -e kernel-2.x.x.xel5.rpm
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