Updating fedora kernel headers 1054centuryfm comdating

As I mentioned I am very new at linux and fedora 23 is my first distro ever. Put "how to install headers in fedora 23" in your favorite search engine and follow the instructions.I don't know if I have installed Kernel headers, neither I know how to do or check. echo Your kernel headers for kernel 4.4.7-300.fc23.i686 PAE cannot be found at/lib/modules/4.4.7-300.fc23.i686 PAE/build or /lib/modules/4.4.7-300.fc23.i686 PAE/source.

Attempting to install using DKMSCreating symlink /var/lib/dkms/vboxhost/5.0.18/source - /usr/src/vboxhost-5.0.18DKMS: add completed.

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Visit Stack Exchange $ sudo yum install "kernel-devel-uname-r == $(uname -r)" Loaded plugins: auto-update-debuginfo, changelog, langpacks, refresh-packagekit No package kernel-devel-uname-r == 3.12.6-200.fc19.x86_64 available.

The logical link /lib/modules/4.4.6-301.fc23.x86_64/build points to a non existent file ( /usr/src/kernels/4.4.6-301.fc23.x86_64)so do the following to get Virtual box to mv /lib/modules/4.4.6-301.fc23.x86_64/build /lib/modules/4.4.6-301.fc23.x86_64/build.oldsudo ln -s /usr/local/sublime-text-3/kernels/4.4.6-301.fc23.x86_64 /lib/modules/4.4.6-301.fc23.x86_64/build /lib/modules/4.4.6-301.fc23.x86_64sudo /sbin/rcvboxdrv setupand you should have the kernel modules working.

in terminal when typing: sudo mv /lib/modules/4.4.6-301.fc23.x86_64/build /lib/modules/4.4.6-301.fc23.x86_64/build.oldmv: cannot stat ‘/lib/modules/4.4.6-301.fc23.x86_64/build’: No such file or directoryc.