Using Download link from https://duplicacy.com/download.html
Download and Verify Duplicacy web binary.
wget https://acrosync.com/duplicacy-web/duplicacy_web_linux_x64_1.6.3 -O duplicacy_web
DUPLICACY_CHECKSUM=7e20fefb806578792002199246596d86246a013a11892c68c9b7365d3b080661
echo "${DUPLICACY_CHECKSUM} duplicacy_web" | sha256sum --check
sha256sum
output should read: duplicacy_web: OK
Move to /usr/bin
and make executable.
sudo mv duplicacy_web /usr/bin/
sudo chmod +x. /usr/bin/duplicacy_web
Create Linux Service substitute the editor of your choice.
sudo nano /etc/systemd/system/duplicacy-web.service
Paste in the contents of duplicacy-web.service