## Install Install Fenris from its package channel after following the [package setup instructions](https://git.bongbetic.com/xavierk/Fenris/src/branch/main/README.md#install-from-package-recommended): ```bash sudo apt update && sudo apt install fenris # Debian / Ubuntu sudo dnf install fenris # Fedora sudo zypper install fenris # openSUSE Tumbleweed ``` ## Verify downloads ```bash gpg --verify SHA256SUMS.asc SHA256SUMS sha256sum -c SHA256SUMS ``` ## Rollback Installing an older package over a newer observation store is unsupported. Restore the observation-store snapshot, then install the earlier Release; see the [upgrade and rollback guidance](https://git.bongbetic.com/xavierk/Fenris/src/branch/main/README.md#upgrade).