> -----Original Message-----
> From: centos-bounces@xxxxxxxxxx
> [mailto:centos-bounces@xxxxxxxxxx] On Behalf Of Aleksey Tsalolikhin
> Sent: Sunday, October 03, 2010 1:17 AM
> To: CentOS mailing list
> Subject: system "stuck" with 2.6.18-128 kernel. how
> to move to2.6.18-194.17?
>
> Hi. I just noticed I had a CentOS 5.3 system that I updated to CentOS
> 5.5 a few days ago,
> and I just ran "yum -y update" again to get the latest
> kernel, and I just noticed it still has the old 2.6.18-128
> kernel instead of the new 2.6.18-194.17. What gives?
>
> /etc/grub.conf points at 2.6.18-194.17, but when I reboot,
> 2.6.18-128 comes up.
>
> Any suggestions?
>
> Thanks,
> -at
>
>
> myserver# yum -y update
> ...
> myserver# reboot
> .....
>
> myserver# uname -a
> Linux hwd-ddc-sonydb-prod 2.6.18-128.4.1.el5 #1 SMP Tue Aug 4
> 20:19:25 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux myserver#
> cat /etc/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/md1
> # initrd /initrd-version.img
> #boot=/dev/md0
> default=0
> timeout=5
> splashimage=(hd0,0)/grub/splash.xpm.gz
> hiddenmenu
> title CentOS (2.6.18-194.17.1.el5)
Caveat: I am not a grub guru, and don't play one on TV.
This is the only "title" line in your grub.conf, so it's the only entry
in your grub.conf as far as grub cares.
> root (hd0,0)
> kernel /vmlinuz-2.6.18-194.17.1.el5 ro root=/dev/md1
> initrd /initrd-2.6.18-194.17.1.el5.img title CentOS
> (2.6.18-194.11.4.el5)
> root (hd0,0)
> kernel /vmlinuz-2.6.18-194.11.4.el5 ro root=/dev/md1
> initrd /initrd-2.6.18-194.11.4.el5.img title CentOS
> (2.6.18-128.4.1.el5)
> root (hd0,0)
> kernel /vmlinuz-2.6.18-128.4.1.el5 ro root=/dev/md1
> initrd /initrd-2.6.18-128.4.1.el5.img myserver# rpm -q kernel
This is the last kernel line, so it's the one that grub acts on.
Result: You boot 2.6.18-128.4.1.el5
Method to test: check your menu screen at boot time, see if there is
only 1 entry; put 'title' in front of '(2.6.18-194.11.4.el5)' and
'(2.6.18-128.4.1.el5)' in grub.conf, reboot, and see if you now have 3
entries in the grub boot menu screen; see if putting in the two title
lines causes 'default=0' to boot 2.6.18-194.17.1.el5
/blather
> kernel-2.6.18-128.4.1.el5
> kernel-2.6.18-194.11.4.el5
> kernel-2.6.18-194.17.1.el5
> myserver#
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