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Old 09-02-2003, 11:02 PM   #1
madangsweh
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Registered: Jul 2003
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Removing previouse kerners


I have installed RH9.0 on my PC.
Since then, there were many upgrade of kerner, so now I see 5 kerners to select when boot screen is on.

I like to clean up some previous kerners on my system, but not sure what to remove. I see some files/directories in /boot , should I just remove those files/directories manually with /etc/grub.conf file?

Any comment will be welcome.

Also another question is I enabled NTFS support in my Linux, but after upgrade I always have to recompile the kerner, which is very annoying thing. Is there any way to preserve the previous kerner configuration without recompile?
 
Old 09-02-2003, 11:34 PM   #2
jailbait
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"I like to clean up some previous kerners on my system, but not sure what to remove."

There are three things to remove for each kernel that you want to remove.

1. The bootable kernel file in /boot

2. The loadable kernel files in /lib/modules which correspond to the kernel you took out of /boot

3. The entry for that kernel in /etc/grub.conf
 
Old 09-03-2003, 12:01 AM   #3
madangsweh
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Thanks for the reply.
For the bootable kerner files in /boot, I see many files such as module-info-..., vmlinux..., initrd-...., system.map..., config..... These are the files seem like related to previous kerner. Should I remove the all files there?
 
Old 09-03-2003, 03:08 PM   #4
jailbait
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"Should I remove the all files there?"

No, not all of the files. Some of the files in /boot are part of the kernel that you are using now. If you delete the kernel you are using now then you will not be able to boot.

I suggest that you backup /boot, /lib/modules, and /etc/grub.conf. Also you will need a rescue system like knoppix or tomsrtbt. Then if you make a mistake and delete the wrong kernel you can boot the rescue system and restore your kernel from your backup.

You will have to decide which files belong to which kernel. You can possibly do that by looking at the file creation dates. All of the files for any particular kernel were probably created on the same date.

You can find out your kernel version number by typing the command:
uname -r
Then list the directories in /lib/modules. One of the directories in /lib/modules will have the same name as your kernel version number. That directory is part of your current kernel. All other directories in /lib/modules belong to your other kernels. You can delete all of the directories in /lib/modules except the one belonging to your current kernel.

Make a boot floppy and check that it works. Then you can remove all of the extra entries in /etc/grub.conf. If you make a mistake then you can use the boot floppy to get back into Linux.
 
Old 09-03-2003, 05:28 PM   #5
madangsweh
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Thank a lot..
It worked out well..
 
  


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