This Java application is to demonstrate how to control a tri-colour (RGB) LED from the internet. Tomcat servlet is running on a Raspberry Pi and the user can interfere with the Pi’s GPIO’s (General Purpose Input Output) from the web browser. A complete hardware and software setup is included in the write-up.
Custom solution for scheduled database and user account backup for CentOS Web Panel 6.9 (CWP) instead of the built-in one. It combines AutoMySQLBackup with some bash scripts and cron jobs.
Editing the content in Wordpress by using its customizer can lead to an error. The changes won’t persist and the edited content won’t appear in the live view as it supposed to do.