Sury repository

What should we do if APT gives the warning "Missing signed-by=" or indicates the removal of the "trusted.gpg.d" key while updating our repositories?

botond published 2025/03/30, v - 10:14 time
One of the basic, regularly recurring tasks of maintaining our Debian or Ubuntu-based servers and systems is updating the package repositories and installed software. I was just doing the usual update cycle on my server these days, which has been a bit behind lately, so I expected that several packages would be updated. However, the update process stopped with interesting messages that drew attention to an important change related to the management of the signing keys of the package repositories. In this article, we will look at how to deal with these problems.

What if our Sury.org repository is not updated due to a GPG signing error on our Debian server?

botond published March 2021, 03, Thu - 18:08 time
If you are using custom PHP versions on your Debian server that are updated via the Sury.org repository, you have previously configured this repository, which was still working before, and APT upgraded the packages without any problems. However, an update may cause an error in the package manager and you may not be able to access the latest packages. We will remedy this problem in this short troubleshooter.

How to install PHP 8 on your Debian or Ubuntu server

botond published 2021/02/06, Sat - 15:49 time
PHP is one of the most common server-side scripting languages ​​for building dynamic web pages, making it an essential part of our web server. The latest major version of this, PHP 2020, was released on November 26, 8. In this tutorial, we will look at how to install PHP 8 on an Ubuntu 20.04 (Focal Fossa) LAMP server and a Debian 10 (Stretch) perfect server, and how to you can configure it to work in both systems in the Apache environment.