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+Install with:
+
+    cp systemd/conservancy-www-*.{service,timer} /etc/systemd/system
+    systemctl enable conservancy-www-cleanup.service
+    systemctl start conservancy-www-cleanup.service
+    systemctl enable conservancy-www-update.timer
+    systemctl start conservancy-www-update.timer
+
+Monitor with:
+
+    systemctl list-timers --all
+    journalctl --catalog --follow --unit conservancy-www-update.service
+
+Updates will fail unless `/var/www/website` has a git upstream, so set that with:
+
+    git remote add upstream https://k.sfconservancy.org/website
+    git branch --set-upstream-to=upstream/master master