You can automatically upgrade your Nextcloud instance from Admin settings. But for whatever reason you are not able to automatically upgrade, you can still manually upgrade Nextcloud.
In this article we will setup a web server with Apache/MariaDB/PHP on Ubuntu 20.04. Most of the packages we will install will be from the default repositories.
Every database running a site should have backup system. We will explore how to backup and restore MariaDB/MySQL databases in this article.
We will fix/restore a MySQL/MariaDB corrupt database. Before going to the details, we will make sure to take backup of the data files.