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Old 11-30-2004, 03:35 AM   #1
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Revoval of older kernel versions

Dear All,

I have a quick question: I'm running FC2 on a Dell D600 laptop and have been updating as prompted by RedHat Up2Date. This has resulted in the update of my kernel from 2.6.5-1.358 to 2.6.8-1.521 to 2.6.9-1.3_FC2 to the current 2.6.9-1.6_FC2.

Do I need to keep all the old versions ie will the current kernel run alone or is it dependant on parts of the previous kernel version. I have synaptic package management so I was going to use this to remove the old versions but wanted to check if everything will fall over if I do this.


Old 11-30-2004, 05:49 AM   #2
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You could check lilo,conf in /etc to see if any are lined up ready to use.

If the older versions aren't in there, then it should be safe

Grub, if you use it would be like wise.
Old 11-30-2004, 06:24 AM   #3
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really you are safe even if they are set up in grub or lilo. you just can't boot those entries anymore. your new kernel is not dependent on any of the old ones.
Old 11-30-2004, 06:52 AM   #4
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As yum or apt-get update your kenel they do leave your old kernel (so if anything goes wrong with the new one you can atleast go back to the old.

in /boot/ you will find all your kernels, configs and whatnot. You can delete everything you want out of there. uname -r to see what kernel you're running (most current? maybe not) and if you so please you can get rid of the rest. Then just edit lilo or grub .conf to have the entries taken out.

If synaptic lets you remove them then do it that way. As always I recommend not installing kernels via rpm/yum/apt and just compiling your own so I never use package managment to install a kernel

Last edited by seabass55; 11-30-2004 at 06:54 AM.
Old 11-30-2004, 11:16 AM   #5
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Dear All,

Thanks for the tips. I'd already removed all the old versions from Grub so I don't get a ridiculously long list of boot options! Removing old kernels has now been done and seems to have gone smoothly.

I'm afraid I'm still the type of user who runs from the word "compile" (wouldn't know where to start!) so for now I'll stick to updating the kernel the easy way!




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