Update install instructions

infra/services/nginx/README.md

@@ -6,6 +6,14 @@ proxy for arbitrary services by adding new entries in `/root/nginx/conf.d` and
 
 ## Installation
 
+Copy the service definition
+
+```sh
+scp services/nginx/nginx.service <instance>:
+
+sudo mv nginx.service /etc/systemd/system/nginx.service
+```
+
 Create a directory to house service specific configuration
 
     sudo mkdir -p /root/nginx/conf.d

infra/services/prometheus/README.md

@@ -15,7 +15,8 @@ remember to change the hardcoded `XX-HOSTNAME` too in addition to adding the
 `remote_write` configuration.
 
 ```sh
-scp services/prometheus/* <instance>:
+scp services/prometheus/prometheus.* <instance>:
+scp services/prometheus/node-exporter.service <instance>:
 
 nano prometheus.yml
 sudo mv prometheus.yml /root/prometheus.yml

infra/services/promtail/README.md

@@ -9,7 +9,7 @@ Replace `client.url` in the config file with the Loki URL that Promtail should
 connect to, and move the files to their expected place.
 
 ```sh
-scp services/promtail/* <instance>:
+scp services/promtail/promtail.* <instance>:
 
 nano promtail.yaml
 sudo mv promtail.yaml /root/promtail.yaml