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Introduction The way in which IT infrastructure is provided and operated has changed significantly in recent decades. In the early years of system administration, everyday life consisted of manually installing individual servers, importing software packages, editing configurations directly in files and starting services. This was not only time-consuming, but also error-prone and difficult to reproduce. Even a small difference in a configuration could lead to problems that were almost...
The term observability is on everyone's lips and is often touted as a modern solution to dusty old, static monitoring. All manufacturers offer it, all users need it, preferably a lot and right now. However, if you read through product descriptions and blog articles on this topic, you will notice that there is no really uniform definition of the term. What do I mean by that? Depending on what you read, observability is sometimes “an approach to improving observability” or “an element of modern...
This article is about setting up Katello as a package mirror for Icinga. Specifically, Icinga for Windows, Debian / Ubuntu, Red Hat Enterprise Linux and other derivatives. In consulting, different products from our portfolio come together again and again, and since we naturally also work on open source projects and want to improve them, such a meeting is always the right starting point. This was also the case recently when I spoke to Christian Stein, the main contact person for Icinga for...
In MySQL, user management plays a crucial role in making database access secure and efficient. But how do you display existing users? In this blog post you will learn how to quickly and easily list all MySQL users, what information you will get and what you should look out for. Step 1: Login to MySQL To display the users in MySQL, you must first log in with a user account with sufficient permissions (e.g. B. root). You can do this from the command line: root@testhost:~# mysql -u root Welcome...