From 06.05 to 09.05 the Red Hat Summit took place in Denver. The conference once again focused on the latest developments and announcements from the company's own ranks. Approximately 6000 participants attended the event in Colorado. Note On the occasion of the Red Hat Summit 2024, a two-part special was published in …

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When deploying a new AlmaLinux 9.3 VM under QEMU/KVM, I encountered the following error during the first boot: Unfortunately, the error message is not very informative. After I had ruled out a bug in the golden image I was using (manual deployments work), I came across a valuable hint in the Proxmox forum: EL9 requires …

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IEEE 802.1X is a standard for authentication and authorisation of devices in networks. Thus, physical LAN ports, VLANs or WLANs can only connect to the network after successful authentication, for example via RADIUS. Communication can be encrypted via TLS or PPP-EAP-TLS, for example. If this network configuration is to …

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From 23.05 to 25.05 the Red Hat Summit took place in Boston. The manufacturer's own conference thus took place - for well-known reasons - for the first time since 2020 in presence. For me it was the first Red Hat conference. notice On the occasion of Red Hat Summit 2023, a three-part special was published in the FOCUS …

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During a recent installation of Red Hat Identity Management or FreeIPA I stumbled upon the following error message: 1DEBUG The ipa-server-install command failed, exception: RuntimeError: CA did not start in 300.0s 2ERROR CA did not start in 300.0s 3ERROR The ipa-server-install command failed. See …

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When it is planned to automate deploying and configuring complex insfrastructure setups, Chef is a mighty tool. Focussing the Infrastructure as Code (IaC) manifesto, it offers more than conventional Configuration Management and can be used to replace manual tasks with faster, repeatable and measurable automatisms. When …

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Recently I had the problem that my homelab's Linux machines managed by Puppet were generating dozens of error messages when updating the catalog: 1# puppet agent --test 2Error: /File[/var/lib/puppet/lib/puppet/parser/functions/load_module_metadata.rb]/ensure: change from absent to file failed: Could not set …

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Readers of my blog know that I have been maintaining a homelab for a couple of years. I really like leveraging products I'm focussing on in my working hours also at home. In other words: I like gaining hands-on experience and learning things from scratch. To access my lab remotely, I have been using a VPN solution in …

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After my last Spacewalk 2.7 installation I had the problem that synchronising repositories using the web interface failed with the following error: The system protocol (/var/log/messages) included the following finding: 1Jan 24 21:02:13 st-spacewalk03 server: Caused by: java.lang.RuntimeException: File not found: …

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When installing Spacewalk 2.7 under CentOS 7.4 along with PostgreSQL 9.2.23, I recently stumbled upon the following error: 1# spacewalk-setup 2* Setting up SELinux.. 3** Database: Setting up database connection for PostgreSQL backend. 4** Database: Installing the database: 5** Database: This is a long process that is …

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