Recently I stumbled upon the following error when registering a new openSUSE system in Uyuni: The appropriate file simply did not exist - but the folder was created: 1# file /var/lib/salt/.ssh/known_hosts 2known_hosts: cannot open 'known_hosts' (No such file or directory) 3 4# ls -lad /var/lib/salt/ 5drwxr-xr-x …

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In the last part of this series, we enabled the voice assistant to read temperature sensors and checking the weather over the internet. In this article, we will ensure entainment by implementing a DIY internet radio and an API for bad jokes. Radio streams under Linux A commonly used function of commercial voice …

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Sometimes Spacewalk still suggests updates and errata for a system even though they have already been installed. Especially for bigger system landscapes this is confusing as planning maintenance using the web interface is hard in this way. 1# zypper update scout 2Refreshing service 'spacewalk'. 3Loading …

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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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Beside UNIX, OpenVMS is one of the oldest but still actively developed operating systems. Since its introduction back in 1977 for the VAX architecture (Virtual Address Extension) it already survided two major platform switches: DEC Alpha (1992 - 1994) and Intel Itanium (2001). Recently, VMS Software, Inc. (VSI) …

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There are plenty of radiators and fans for the small single-board computer - but how big is the impact of using cooling? Don't get me wrong - having a cooling system is always better than having no cooling at all. But I was curious about the exact difference with the current top model (RPi 4B, 4 GB). First of all it is …

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In the last part of this series we linked Rhasspy and Node-RED to teach the assistant its first function: reading the current date and time. In this part we will focus on measuring temperature via the internet and DIY temperature guards based on ESP32 and MQTT. DIY temperature guard Temperature sensors are cheap and …

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If you forget the root password (or a user password) of your WSL installation (Windows Subsystem for Linux), using the registry might help you. Because WSL is rather a lightweight kernel expansion than a full-featured VM, the typical live-CD trick (mounting the filesystem and running chroot) won't help. Below the path …

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In the last part of this series we checked-out and installed software for building our own voice assistant without leverage cloud resources. In this article we will focus on linking both Rhasspy and Node-RED. At the end, the assistant will learn it's first function. Desired state As we already know from the last …

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Recently, I had to migrate a bigger amount of git repositories from one software to another provider. One requirement was to copy the whole project including commit history and tags. Fortunately, it was easy to automate this process. First of all the former repository needs to be cloned - if not done, yet: 1$ git clone …

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