After installation, you may want to trigger some traffic to one of your web services which are now protected by open-appsec. You can then run this command to view logs:
By default logs are stored here:
You can configure flexible logging according to your requirements by using a custom log-trigger. See here for configuring the log trigger when using declarative configuration file: Local Policy File (Advanced)
If you connect open-appsec to the WebUI (SaaS) for central management you do Monitoring/Logging flexible from there as well.