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There also may be rare circumstances where blacklisting the nouveau kernel module are is required (which includes creating the appropriate configuration in /etc/modprobe.d/, rebuilding the initial ram disk (initrd) using the dracut command, and adding 'blacklist=nouveau' to the /boot/grub/grub.conf file).
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For an explanation of the symlinks symbolic links in the weak-updates subdirectory, see the link under the "Kernel Module Weak Updates" References section below.
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