PDF Fire - installation ======================= The packages are signed with the PDF Fire signing key. Its fingerprint: 1AD3 AB56 3A5F C1D4 F403 632A C011 9E5C 2237 8B81 Compare it with the one the department gives you, before you trust the key. Ubuntu / Debian (once): sudo install -d /etc/apt/keyrings sudo curl -fsSLo /etc/apt/keyrings/pdf-fire.asc https://firehouse360.com/pdf-fire/pdf-fire-signing-key.asc sudo curl -fsSLo /etc/apt/sources.list.d/pdf-fire.sources https://firehouse360.com/pdf-fire/pdf-fire.sources sudo apt update && sudo apt install pdf-fire Updates then come with the normal system updates. Fedora (once): sudo dnf config-manager addrepo --from-repofile=https://firehouse360.com/pdf-fire/pdf-fire.repo sudo dnf install pdf-fire (dnf asks to trust the key - check the fingerprint above.) Updates come with dnf upgrade. A single downloaded file, without the repository: Fedora: sudo rpm --import https://firehouse360.com/pdf-fire/pdf-fire-signing-key.asc sudo dnf install ./pdf-fire-*.rpm Ubuntu: sudo apt install ./pdf-fire_*.deb