Show pagesourceBack to top Share via Share via... Twitter LinkedIn Telegram Yammer RedditRecent ChangesSend via e-MailPrintPermalink × Table of Contents system upgrade Releases Packages Repositories RPMFusion COPR replace xscreensaver with light-locker remove KDE PIM applications new services firewall Troubleshooting nss-pem-1.0.3-6.fc27.x86_64 does not belong to a distupgrade repository OMEMO doesn't work in Gajim COPR Bootloader rmdir: failed to remove '/var/lib/os-prober/mount': Device or resource busy Fedora Linux See also: dnf system upgrade dnf --refresh upgrade dnf system-upgrade download --refresh --releasever=31 dnf system-upgrade reboot https://fedoraproject.org/wiki/DNF_system_upgrade Releases Branched – next version of Fedora in the making, branches off from Rawhide Rawhide – developer version, not recommended for usage unless you're a Fedora dev regular releases Packages Repositories List of Fedora 3rd party repositories RPMFusion RPMFusion is a repository for Fedora with many packages not included in the default repositories. You can easily enable it via dnf. COPR User made repositories for stuff not found in official repos. Xanmod – desktop-optimised Kernel, e.g. for gaming and video/3D editing. replace xscreensaver with light-locker dnf install light-locker dnf remove xscreensaver-base xfconf-query -c xfce4-session -p /general/LockCommand -s "light-locker-command -l" --create -t string remove KDE PIM applications dnf remove kf5-akonadi* – removes all PIM components including KDE calendar, KDE contacts and Kmail. new services firewall see firewalld Troubleshooting nss-pem-1.0.3-6.fc27.x86_64 does not belong to a distupgrade repository On upgrading Fedora 27→28, the aforementioned error occurs. This seems to be due to a bug related to dnf. Solution: dnf install nss-pem-1.0.3-9.fc28 --releasever=28 OMEMO doesn't work in Gajim dnf install python3-devel python3 `which pip` install python-axolotl COPR custom Fedora packages, similar to Ubuntu's PPAs Enable with dnf copr enable user/repo user/repo purpose che/mesa current Mesa 3D compiled against current LLVM che/llvm current LLVM from git Bootloader Default is GRUB2. Fedora docs: Working with the GRUB 2 Boot Loader Config location: /etc/default/grub Generate config: grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg (UEFI), grub2-mkconfig -o /boot/grub2/grub.cfg (MBR) rmdir: failed to remove '/var/lib/os-prober/mount': Device or resource busy Solution: reboot, then try again. (Source) Last modified: 2021-05-08 15:44