upgrade RHEL5 to RHEL6
By adding in “upgradeany” after the RHEL6 installation CD/DVD’s GRUB interface, it allowed to do the upgrading.
(Press TAB, and add on upgradeany after initre=initrd.img)
However, it failed on package kde-filesystem.
To resolve this, press Ctrl-Alt-F2, it will bring you into a shell of the installation environment.
From here, you can try
$ cd /mnt/source/Packages
$ yum -ivh –force –root /mnt/sysimage
This will tell you what’s wrong on installing it.
For mine, it was a series of folders in RHEL5 that should be replaced by symbolic links.
I hand moved the files in those folders to where they supposed to be for RHEL6, and created the symbolic links. Then the upgrading was able to proceed.
Cheers!
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Astonishing article . Will definitely copy it to my blog.Thanks
Also you will have to hand rpm -e old kernel packages and reinstall kernel, to create initramfs