Things to do after installing Fedora

WARNING

Third-party repositories will be enabled and it was only tested on Fedora 28. This could have an impact on your system ranging from none to destroying all cat videos on the internet. You have been warned.

Disable annoying AMD iommu warnings on boot

Only for some AMD CPUs, like mine, an AMD A9-9420

Edit the /etc/default/grub file and append the following to the GRUB_CMDLINE_LINUX line:

iommu=soft amd_iommu=off

Full example:

GRUB_CMDLINE_LINUX="resume=/dev/mapper/fedora_localhost--live-swap rd.lvm.lv=fedora_localhost-live/root rd.lvm.lv=fedora_localhost-live/swap rhgb quiet iommu=soft amd_iommu=off"

Finally, generate the new GRUB configuration to take effect on your next reboot and any kernel update thereafter:

sudo grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg

Enable Negativo17 multimedia repository

Negativo17 has more repositories. You can use them to install Steam, Spotify and more apps. Check their website for more info.

This repositories contains codecs and multimedia software (HandBrake and Blender with CUDA support, for example). A must have.

sudo dnf config-manager --add-repo=https://negativo17.org/repos/fedora-multimedia.repo -y

Enable third-party repositories “supported” by Fedora

Refer to the Fedora Wiki for more info.

Enable Visual Studio Code repository

sudo rpm --import https://packages.microsoft.com/keys/microsoft.asc

sudo sh -c 'echo -e "[code]\nname=Visual Studio Code\nbaseurl=https://packages.microsoft.com/yumrepos/vscode\nenabled=1\ngpgcheck=1\ngpgkey=https://packages.microsoft.com/keys/microsoft.asc" > /etc/yum.repos.d/vscode.repo'

Install all codecs

sudo dnf install gstreamer1-{plugin-crystalhd,ffmpeg,plugins-{good,ugly,bad{,-free,-nonfree,-freeworld,-extras}{,-extras}}} libmpg123 lame-libs --setopt=strict=0 -y

Apps to install with DNF

Needs Negativo17 repos enabled (not only the multimedia one)
sudo dnf install -y snapd gnome-tweaks dconf-editor mpv gnome-mpv vlc dnfdragora gimp gimpfx-foundry gimp-luminosity-masks gimp-fourier-plugin gimp-focusblur-plugin gmic gmic-gimp inkscape flameshot vokoscreen kodi jpegoptim optipng micro steam qemu-system-x86 youtube-dl mplayer qbittorrent spotify steam pycharm-community pycharm-community-plugins code

Apps to install with Flatpak

First, enable flathub repo for Flatpak
sudo flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
Then install the apps
sudo flatpak install flathub io.github.wereturtle.ghostwrhiter com.github.marktext.marktext io.github.Pithos

Blacklist radeon driver

For some reason, the system completely freezes randomly if I don’t blacklist the radeon driver. Maybe it interferes with the amdgpu driver that is needed by my GPUs or maybe it’s something related to Prime, but this are just guesses.

echo 'blacklist radeon' | sudo tee --append /etc/modules.d/blacklist.conf

(Optional) Install minimal Plasma Desktop Environment

sudo dnf install @critical-path-kde plasma-workspace plasma-workspace-wayland kde-settings kde-settings-plasma kde-settings-pulseaudio plasma-nm plasma-nm-openvpn plasma-nm-ssh plasma-applet-redshift-control plasma-browser-integration kde-l10n-pt kde-gtk-config dolphin konsole gwenview plasma-workspace kate-plugins kate konsole5 kde-gtk-config ksysguard -y

Thanks, /u/jflory7, for the tips to improve this “guide”.

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