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Update Kernel

Discussion in 'General Discussion' started by mickalo, Jun 12, 2007.

  1. mickalo

    mickalo Well-Known Member

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    we've been advised, when updating kernels with up2date method, that we use the -i option instead of the -u option. My question is, if we do that, will it remove the existing backup kernel? This is our current grub.conf:
    Code:
    default=0
    timeout=5
    splashimage=(hd0,0)/grub/splash.xpm.gz
    hiddenmenu
    # Primary kernel: default=0
    title Red Hat Enterprise Linux ES (2.6.9-42.0.10.ELsmp)
    	root (hd0,0)
    	kernel /vmlinuz-2.6.9-42.0.10.ELsmp ro root=/dev/sda5
    	initrd /initrd-2.6.9-42.0.10.ELsmp.img
    # Backup kernel: default=1
    title Red Hat Enterprise Linux ES (2.6.9-42.0.3.ELsmp)
    	root (hd0,0)
    	kernel /vmlinuz-2.6.9-42.0.3.ELsmp ro root=/dev/sda5
    	initrd /initrd-2.6.9-42.0.3.ELsmp.img
    
    this is on a RHEL ES release 4 (Nahant Update 5) Cpanel box.

    TIA,
    Mickalo
     
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  2. tweakservers

    tweakservers Well-Known Member

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    the -i will have the old kernel remain while the -U will not and just upgrade the existing to the new one. In case your server fail to boot up after the upgrade, you will not have a restore point to the old kernel with the -U
     
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  3. mickalo

    mickalo Well-Known Member

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    that's what I thought, I just wanted to verify before proceeding ;)

    Thx's
    Mickalo
     
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