Improve Redis instructions and add note about logs

README.md

@@ -81,10 +81,12 @@ $ mkdir ./tmp
 ```
 
 Set your hostname, port, HMAC key, https (must be correct for cookies), and
-Redis info in `nitter.conf`, run `redis-server --daemonize yes`, then run Nitter
-by executing `./nitter`. You should run Nitter behind a reverse proxy such as
-[Nginx](https://github.com/zedeus/nitter/wiki/Nginx) or Apache for security
-reasons.
+Redis info in `nitter.conf`. To run Redis, either run
+`redis-server --daemonize yes`, or `systemctl enable --now redis` (or
+redis-server depending on the distro). Run Nitter by executing `./nitter` or
+using the systemd service below. You should run Nitter behind a reverse proxy
+such as [Nginx](https://github.com/zedeus/nitter/wiki/Nginx) or Apache for
+security reasons.
 
 To build and run Nitter in Docker:
 ```bash
@@ -128,6 +130,12 @@ WantedBy=multi-user.target
 Then enable and run the service:
 `systemctl enable --now nitter.service`
 
+Nitter currently prints some errors to stdout, and there is no real logging
+implemented. If you're running Nitter with systemd, you can check stdout like
+this: `journalctl -u nitter.service` (add `--follow` to see just the last 15
+lines). If you're running the Docker image, you can do this:
+`docker logs --follow *nitter conightytainer id*`
+
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