Originally, I planned to post a much bigger article. I run with the rpmfusion-nonfree-updates-testing.repo enabled. I would not recommend that for most people. The reason being is that the released version of the nvidia drivers is 375.66. This is cuda 8. If you run with the testing repo you will get version 384.90. This one is cuda 9. That means redoing your whole environment. So, we'll save that for another blog post. Meanwhile let's go over how to do the upgrade.
Upgrading to F26
Upgrading to F26 from F25 was pretty smooth. I had to uninstall RStudio, but I already had the recipe to rebuild it. I followed the normal fedora upgrade instruction except I took one small deviation. If you use nvidia drivers, you probably have noticed that when you install a new kernel, akmods builds a couple new rpms and installs them on system shutdown. This way when you boot back up, the new kernel has matching drivers.
My concern was how does this work when upgrading the whole OS via dnf? What I did was:
- Let dnf download all the packages as normal.
- Reboot the system per dnf instructions so it can install them.
- After it had installed all the new F26 packages, I watched carefully for the grub boot menu to appear. I edited the first entry to add a 3 at the end. This causes it to boot into runlevel 3 which is non-graphical.
- Then I logged in, looked around to see how the upgrade went, and then did a reboot to go to try graphical mode. Doing a test boot into text mode was just in case it needed to build the rpms for the new F26 kernel during shutdown.
Sure enough, that is what happened. It started a shutdown job and built the new kernel modules and installed them. It came back up in graphical mode just fine.
In the near future, I write about switching to cuda 9. If you don't have to, I wouldn't for now.
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