cloud9-ide

I am using as an environment, a Cloud9.io ubuntu VM Online IDE and I have reduced by troubleshooting this error to just running the app with Webpack dev server. I launch it with: webpack-dev-server -d --watch --history-api-fallback --host $IP --port $PORT $IP is a variable that has the host address $PORT has the port number. I am instructed to use these vars when deploying an app in Cloud 9, as they have the default IP and PORT info. The server boots up and compiles the code, no problem, it is not showing me the index file though. Only a blank screen with "Invalid Host header" as text. This is

I am trying to set up a postgres database in a Rails app in Cloud9. I have followed the instructions here: https://docs.c9.io/setting_up_postgresql.html and set up a database called cc_database. My database.yml file looks like this: development: adapter: postgresql encoding: SQL_ASCII database: cc_database pool: 5 username: postgres password: password When I run rake db:setup I get the following error: PG::ConnectionBad: FATAL: Peer authentication failed for user "postgres" I am quite new to all this, so any advice would be much appreciated. Tony Nguyen Do the following steps: Create a new