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Joined: 03 Sep 2005
Posts: 51
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 Posted: Tue Nov 29, 2005 7:31 pm Post subject: HOW-TO: Upgrading Kernel with up2date |
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Today i upgraded kernel of Linux server running
# cat /etc/redhat-release
Red Hat Enterprise Linux ES release 3 (Taroon Update 1)
#
The kernel was
| Quote: |
# uname -a
Linux godislove.hosthat.com 2.4.21-9.0.1.EL #1 Mon Feb 9 22:44:14 EST 2004 i686 i686 i386 GNU/Linux
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So i upgraded with up2date
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# up2date -f kernel
Fetching Obsoletes list for channel: rhel-i386-es-3...
########################################
Fetching Obsoletes list for channel: rhel-i386-es-3-extras...
########################################
Fetching Obsoletes list for channel: rhel-i386-es-3-devsuite...
########################################
Name Version Rel
----------------------------------------------------------
kernel 2.4.21 37.EL i686
Testing package set / solving RPM inter-dependencies...
########################################
kernel-2.4.21-37.EL.i686.rp ########################## Done.
Preparing ########################################### [100%]
Installing...
1:kernel ########################################### [100%]
stdin: is not a tty
stdin: is not a tty
stdin: is not a tty
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After upgrading, it will update boot loader itself, so you don't have to do anything other than running up2date -f kernel
My /boot/grub/grub.conf is
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# cat /boot/grub/grub.conf
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/hda3
# initrd /initrd-version.img
#boot=/dev/hda
default=0
timeout=3
splashimage=(hd0,0)/grub/splash.xpm.gz
title Red Hat Enterprise Linux ES (2.4.21-37.EL)
root (hd0,0)
kernel (hd0,0)/vmlinuz-2.4.21-37.EL root=LABEL=/
initrd (hd0,0)/initrd-2.4.21-37.EL.img
title Red Hat Enterprise Linux ES (2.4.21-9.0.1.EL)
root (hd0,0)
kernel (hd0,0)/vmlinuz-2.4.21-9.0.1.EL root=/dev/hda3
initrd (hd0,0)/initrd-2.4.21-9.0.1.EL.img
title Red Hat Enterprise Linux ES (2.4.21-4.EL)
root (hd0,0)
kernel (hd0,0)/vmlinuz-2.4.21-4.EL root=/dev/hda3
initrd (hd0,0)/initrd-2.4.21-4.EL.img
#
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Now just reboot the server. After reboot, check the kernel, you will see the new kernel
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# uname -a
Linux godislove.hosthat.com 2.4.21-37.EL #1 Wed Sep 7 13:35:21 EDT 2005 i686 i686 i386 GNU/Linux
# uname -r
2.4.21-37.EL
# cat /proc/version
Linux version 2.4.21-37.EL (bhcompile@tweety.build.redhat.com) (gcc version 3.2.3 20030502 (Red Hat Linux 3.2.3-53)) #1 Wed Sep 7 13:35:21 EDT 2005
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