Traditional format (all versions):
sudo curl -fsSL https://fiduswriter.github.io/fiduswriter/apt/fiduswriter.asc | sudo gpg --dearmor -o /usr/share/keyrings/fiduswriter.gpg echo "deb [signed-by=/usr/share/keyrings/fiduswriter.gpg] https://fiduswriter.github.io/fiduswriter/apt stable main" | sudo tee /etc/apt/sources.list.d/fiduswriter.list sudo apt-get update sudo apt-get install fiduswriter-server
Modern DEB822 format (Ubuntu 24.04+, Debian 13+, Mint 22+):
sudo curl -fsSL https://fiduswriter.github.io/fiduswriter/apt/fiduswriter.asc | sudo gpg --dearmor -o /usr/share/keyrings/fiduswriter.gpg sudo tee /etc/apt/sources.list.d/fiduswriter.sources <<'EOF' Types: deb URIs: https://fiduswriter.github.io/fiduswriter/apt Suites: stable Components: main Signed-By: /usr/share/keyrings/fiduswriter.gpg Architectures: amd64 arm64 EOF sudo apt-get update sudo apt-get install fiduswriter-server
sudo tee /etc/yum.repos.d/fiduswriter.repo <<'REPO' [fiduswriter] name=Fidus Writer baseurl=https://fiduswriter.github.io/fiduswriter/yum enabled=1 gpgcheck=0 REPO sudo dnf makecache sudo dnf install fiduswriter-server