[Solved] Failed to ping db err

Still working with a single server, I am able to get to the last step of setting up the Mattermost Server section. The start command

sudo start mattermost

returns

mattermost start/running, process 15797

but if I try to stop it I get

stop: Unknown instance:

and I get a "failed to connect to xx.xxx.x.x port 8065: Connection refused" error when I try the curl check. Just for reference, this is what I'm seeing when I test the Mattermost server:

[10/28/15 18:46:37] [INFO] Current version is 1.1.0 (2920/Wed Oct 14 19:29:00 UTC 2015/4ad9e0673ca8950597a290f10db10475b18b67cc)
[10/28/15 18:46:37] [INFO] Current working directory is /home/ubuntu/mattermost/bin
[10/28/15 18:46:37] [INFO] Loaded config file from /home/ubuntu/mattermost/config/config.json
[10/28/15 18:46:37] [INFO] Server is initializing...
[10/28/15 18:46:37] [INFO] Pinging sql master database
[10/28/15 18:46:37] [INFO] Pinging sql replica-0 database
[10/28/15 18:46:37] [DEBG] Initializing user api routes
[10/28/15 18:46:37] [DEBG] Initializing team api routes
[10/28/15 18:46:37] [DEBG] Initializing channel api routes
[10/28/15 18:46:37] [DEBG] Initializing post api routes
[10/28/15 18:46:37] [DEBG] Initializing web socket api routes
[10/28/15 18:46:37] [DEBG] Initializing file api routes
[10/28/15 18:46:37] [DEBG] Initializing command api routes
[10/28/15 18:46:37] [DEBG] Initializing admin api routes
[10/28/15 18:46:37] [DEBG] Initializing oauth api routes
[10/28/15 18:46:37] [DEBG] Initializing webhook api routes
[10/28/15 18:46:37] [DEBG] Parsing server templates at /home/ubuntu/mattermost/api/templates/
[10/28/15 18:46:37] [DEBG] Initializing web routes
[10/28/15 18:46:37] [DEBG] Using static directory at /home/ubuntu/mattermost/web/static/
[10/28/15 18:46:37] [DEBG] Parsing templates at /home/ubuntu/mattermost/web/templates/
[10/28/15 18:46:37] [INFO] Starting Server...
[10/28/15 18:46:37] [INFO] Server is listening on :8065
[10/28/15 18:46:37] [INFO] RateLimiter is enabled