-local hint="run before: ./vm_remote runit_configure nginx -- $site"
-assert "sudo test -f /etc/nginx/x509.d/\"$site\"/key.pem" hint
-sudo install -m 664 -o www -g www \
- "$tool"/var/pub/x509/sympa.heureux-cyclage.org/crt+ca.pem \
- /etc/nginx/x509.d/"$site"/crt.pem