NextCloud is one of the most popular open source file synchronization application. You can use it to store you personal files, contacts and many other data and access them or share them in a secure way without having to worry about data leaks.
MyWebSQL is a free and open source PHP based application that offers a simple way to manage your database on the web browser. It can allow you to work with a number of databases including PostgreSQL, MySQL and SQLite on a neat user interface.
Data and procedures may be copied from one database server to another in real time. This is most important when it comes to creating redundancy. A single database is configured to read and write data while the rest of the database mirrors all the changes that have been saved (read-only).
GreyLog offers a way of consolidating logs from different sources in your infrastructure and analyzing them. This is a good enterprise log management used by many large organizations. It offers ease of use, scalability and affordability.
It is crucial to ensure users' data is not lost in case of any misfortune, whether natural or man-made disasters. Backups are a good way to mitigate data loss. This may be done periodically, whether manually or automated via cron jobs. This tutorial illustrates how to backup PostgreSQL database on Ubuntu 18.04.