I've update to linux-image-3.2.0-30-generic-pae 3.2.0-30.48 and now Ubuntu don't open smoothly and take time to boot but it's not that weird because I had this problem when I was using 11.10 all the time but some how when I upgrade to 12.10 it fixed, so now after I got like 3 new kernel images update the problem got to back again, what I'm asking here is how to bring back the old linux-image to system and you must know I have remove all the old kernels with Ubuntu Tweak janitor option so now only one I got is linux-image-3.2.0-30-generic-pae 3.2.0-30.48.
Just install the Linux images again
sudo apt-get install linux-image-3.2.0-23-generic-pae linux-headers-3.2.0-23 linux-headers-3.2.0-23-generic-pae
You should now have option for booting the previous Linux image. Boot to that image and remove the updated one.
If you really want to get a list of all Linux images, You can check the repository pool by going here
A screenshot is added below:
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but I already have 3.2.0-30!? and I can't booting the previous Linux image because I've remove them all with Ubuntu Tweak janitor! – Doctoa Oct 6 '12 at 7:28
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what were the previous versions. replace the version number in the command – Anwar Oct 6 '12 at 7:31
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For a list, go to this link packages.ubuntu.com/search?keywords=linux-image – Anwar Oct 6 '12 at 7:37