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Old 01-08-2004, 07:28 AM
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[Linux] Kernel upgrade using up2date

1. Connect to your server via SSH.

2. As root, use the following commands to fully update your system:

/usr/sbin/up2date --nox -p
/usr/sbin/up2date --nox -u
/usr/sbin/up2date --nox -f kernel kernel-source


3. In order to verify that your new kernel is configured to boot type:

# rpm -qa | grep kernel

You should see the following files when you type the command above:(note: versions may change, the files below are for example purposes only)

kernel-2.4.20-18.7
kernel-2.4.20-20.7

# ls -1 /boot/*2.4.20-20.7*

/boot/System.map-2.4.20-20.7
/boot/config-2.4.20-20.7
/boot/initrd-2.4.20-20.7.img
/boot/module-info-2.4.20-20.7
/boot/vmlinux-2.4.20-20.7
/boot/vmlinuz-2.4.20-20.7


4. Edit /etc/grub.conf and find the entry for the kernel version you just installed. Make sure the default entry matches the entry for your newest kernel version (the first entry is 0, the second entry is 1, etc):
[code:1:80edd8b425]
[b]
default=0 #you may need to change this from 1 to 0.
fallback=1

title Red Hat Linux (2.4.20-20.7)
kernel /vmlinuz-2.4.20-20.7 root=LABEL=/ ro
initrd /initrd-2.4.20-20.7.img

title Red Hat Linux (2.4.20-18.7)
kernel /vmlinuz-2.4.20-18.7 root=LABEL=/ ro
initrd /initrd-2.4.20-18.7.img[/b][/code:1:80edd8b425]

5.If all of the above is correct, then you are now ready to reboot your system for all the changes to take effect. Restart your server by typing:

# /sbin/reboot

Again, make sure you are root before applying any of the above steps.
 
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