Claudio Kuenzler

How to install Debian 13 (Trixie), step by step - Geeker's Digest A step by step installation guide how to install the newest Debian 13 (Trixie) from an ISO image.

I've always loved how intuitive yet technical the #Debian installer is.
It's great to see the installation of the latest @debian.bsky.social version 13 (Trixie), still looks and feels the same way.
www.geekersdigest.com/how-to-insta...

AWS EC2 instance (aws_instance) replaced on every Terraform run Ran into a weird problem, when an AWS EC2 instance was replaced on every Terraform run.

Ran into a weird problem, when an @awscloud.bsky.social EC2 instance got destroyed and re-created on _every_ #Terraform run.
Turned out to be a problem with an option in the aws_instance resource. Suggested by #AI.
www.claudiokuenzler.com/blog/1495/aw...

Bug in SolarEdge inverter firmware might set battery discharge limit A regression in the firmware of SolarEdge inverters might set a discharge limit of Home Batteries (48V), way below the usual 5KW.

Back in June I noticed a strange behaviour on my #SolarEdge Home Batteries. During #battery usage, there seemed to be a discharge limit, way below the maximum 5KW discharge.
As it turned out, this was caused by a regression after a #firmware update. Full story 👇
www.geekersdigest.com/bug-in-solar...

Debian 13 (Trixie) release date published - Geeker's Digest The Debian project plans to officially release its 13th version, with the code name Trixie, on August 9th 2025.

The wait is soon over! Planned release date of #Debian 13, code named "Trixie", was published.
The new @debian.bsky.social version contains #Linux Kernel 6.12 and will be released in August.
- via Geeker's Digest
www.geekersdigest.com/debian-13-tr...

Solving GitLab pipeline error (): mapping values are not allowed in this context A job in a GitLab pipeline ran into a rather cryptic error, mentioning mapping values in a specific line.

A #GitLab pipeline ran into a rather cryptic error, mentioning mapping values in a specific line.
After some head-scratching, the error was found. Inside a string colons were used. These were interpreted as "key: value" by the @gitlab.com #pipeline parser.
www.claudiokuenzler.com/blog/1494/gi...

WeTransfer change of terms: Do they really own your files now? - Geeker's Digest After WeTransfer updated its terms, controversy about ownership of uploaded files started. Is WeTransfer now the owner of your files?

Is it true, that files uploaded to #WeTransfer are now owned by them and not you anymore? Will they be used for training #AI models?

The latest Geeker's Digest post tries to makes sense of it. Without emotions, just facts.

www.geekersdigest.com/wetransfer-c...

How to limit disk usage of Systemd Journald logs - Geeker's Digest How to configure systemd-journald to use a disk size limit of the log files. By default there's no limit on the disk usage.

A #Linux system running with Systemd's Journald can eventually run into a low disk space event.
The latest #tutorial on Geeker's Digest shows how to manually clean up old journals and how systemd-journald can be configured to use a disk limit.
www.geekersdigest.com/how-to-limit...

How to find the installed Firmware version on SolarEdge inverters - Geeker's Digest SolarEdge inverters run on internal software – on embedded devices this is often called the Firmware. SolarEdge inverters are, besides their obvious electricity production function, embedded (computer...

#Solar inverters sometimes receive firmware updates. #SolarEdge frequently releases new updates with fixes and performance improvements.
But how do you find out, which version is currently installed on your inverter? 👇
(via Geeker's Digest)
www.geekersdigest.com/how-to-find-...

Grafana dashboard panel error shows invalid interval string after major version upgrade After a major version upgrade of Grafana, some panels in dashboards showed an error icon.

After a major version upgrade of @grafana.bsky.social, some panels in dashboards showed an error icon.
A fix (in the #Grafana panel's query options) is applied quiet quickly - once you know where. 😅
www.claudiokuenzler.com/blog/1492/gr...

Galera Cluster now (legally) part of MariaDB - Geeker's Digest MariaDB plc, the company behind the widely used MariaDB SQL Database Engine, announced the acquisition of Galera Cluster.

Whenever I set up a #Galera cluster, I used to do this with #MariaDB as underlying database engine. This "bundle" is now official, as @mariadb.bsky.social acquired the company behind Galera!
- via Geeker's Digest
www.geekersdigest.com/galera-clust...

Modellkarten für Deutschland (Max. Temperatur 2m, 6std) | Global German Standard (7 Tage) Global German Standard (7 Tage) - Aktuellste Prognose für 02.07.2025, 20:00 Uhr des Parameters "Max. Temperatur 2m, 6std", Modellkarte mit dem Ausschnitt "Deutschland"

+++ Nach dem ICON-Modell erreicht uns Anfang Juli eine Hitzeblase aus Nordafrika! +++

Nach diesem Modelllauf wären südlich einer Linie Berlin-Hannover weit über 35 Grad drin. Es könnte sogar teils um und knapp über 40 Grad bekommen!

#Hitze
#Hitzewelle
/CG

kachelmannwetter.com/de/modellkar...

How to see the git commit history of a single file - Geeker's Digest Learn how to read the commit history with the git command and how to view the commit history of a single file inside a repository.

Sometimes you need to find out how a specific file inside a #git repository has changed over time. The commit history is your truthful friend in this case.
Here's how, using the git command line 👇
- via Geeker's Digest
www.geekersdigest.com/how-to-see-t...

Yesterday's #sunset was beautiful 😻

Prometheus node_exporter fails to start inside container The Prometheus node_exporter failed to start inside a container with an error message related to udev.

If you want to run #Prometheus Node Exporter in a container, you (most likely) need to do some adjustments to the udev path - or it will run into an error. Ran into that problem in a @gitlab.com pipeline.
www.claudiokuenzler.com/blog/1491/pr...

How to build your own dual screen monitoring station - Geeker's Digest A dedicated dual screen setup to display metrics and monitoring dashboards, helps for quicker troubleshooting and incident handling.

A few months ago I dedicated the corner of my office to something special: A "monitoring station".
In Geeker's Digest's latest #blog post I re-visited the setup and share how to build such a #monitoring station, which is used to show dashboards and #metrics.
www.geekersdigest.com/how-to-build...

check_rancher2 1.13.0 released: Added Rancher2 API token expiry check Version 1.13.0 of the monitoring plugin check_rancher2 added a new check type to monitor the API token expiry.

A new version of check_rancher2, a #monitoring plugin for #Kubernetes clusters managed by SUSE #Rancher, is now available! Version 1.13.0 introduces a new check type "api-token" to monitor the API token expiry used by the plugin.
www.claudiokuenzler.com/blog/1490/ch...

check_smart 6.16.0 adds support for devices behind usbjmicron bridge Version 6.16.0 of the check_smart monitoring plugin adds support for devices behind usbjmicron bridge.

A new version of check_smart, a #monitoring plugin to monitor physical hard drives, solid state drives and NVMe drives, is available.

Starting with version 6.16.0 of the plugin, devices behind a usbjmicron (USB) bridge are now supported.

www.claudiokuenzler.com/blog/1489/ch...

Tolles Foto des Erdbeermondes über dem Stuttgarter Fernsehturm. Danke Gerhard B. für das Foto.
Heute Abend bzw. Nacht sind die Chancen überall gut den Junivollmond zu sehen:
kachelmannwetter.com/de/sat/deuts... /LD

Keepalived VIP not responding on RHEL 9 / EL9 After installing KeepaliveD on RHEL9 and setting up a VIP configuration, the VIP did not respond.

After #keepalived was installed on a #RHEL 9 machine, the VIP did not respond to any communication.
Turns out the default (example) configuration uses vrrp_strict AND a priority setting lower than 255 - which leads to an automatic firewall block rule.
www.claudiokuenzler.com/blog/1488/ke...

How to pull a specific remote branch with git - Geeker's Digest In this article we explain how to pull a different branch from the remote repository and continue working on this pulled branch.

Sometimes you need to pull a _different_ branch from the remote #git repository.
The latest Geeker's Digest #tutorial describes how to do this.
www.geekersdigest.com/how-to-pull-...

Surprisingly good endurance without any errors of this SanDisk Ultra 3D SSD A quick post of praise to a long running (since 2018) SSD without any errors.

Usually I rant about bad #hardware. But in fairness, there are also some very good products out there. This post is about such a surprisingly well behaving #SSD from SanDisk.
www.claudiokuenzler.com/blog/1486/su...

How to re-enable the menu bar in Linux Mint's Terminal - Geeker's Digest After a Linux Mint distribution upgrade, the menu bar in the GNOME Terminal app disappeared. Here's how to get the menubar back.

The default #Shell Terminal on @linuxmint.bsky.social is the GNOME Terminal.

Newer Linux Mint releases don't show the menu bar anymore inside such a Terminal window. Geeker's Digest's latest #tutorial shows how to re-enable the menu.

www.geekersdigest.com/how-to-re-en...

Western Digital (WDC) announces quarterly dividend payouts - Geeker's Digest After a pause of several years, Western Digital Corporation (NASDAQ: WDC) announced the return of quarterly cash dividends starting Q3 2025.

After a pause of several years, hard drive producer #WesternDigital Corp. (WDC) announced the return of quarterly cash #dividends starting Q3 2025.
- via Geeker's Digest
www.geekersdigest.com/western-digi...

Kernel panic during boot after Ubuntu upgrade (due to missing linux-image-generic package) After an Ubuntu distribution upgrade from 20.04 to 22.04, the system ran into a Kernel panic during boot.

In my newest #blog post, I share my #troubleshooting steps of an #Ubuntu Linux server running into a #Kernel panic. And as it turns out, for a very confusing reason.
www.claudiokuenzler.com/blog/1485/ke...

Good morning 🌄
It's the weekend!

How to restart RS485 Modbus TCP on SolarEdge inverter - Geeker's Digest In this article we show how the Modbus TCP service can be restarted on a SolarEdge inverter using the SetApp application.

As I've created my own #SolarEdge monitoring dashboard in @grafana.bsky.social , my monitoring noticed some communication issues lately with the #Modbus TCP service.
Here's a #tutorial how to manually restart the service on the inverter.
www.geekersdigest.com/how-to-resta...

Good morning 🌄

So many questions 🤣🤣🤣

kube-proxy pod crash due to netfilter bug in Linux Kernel Infiniroot provides managed dedicated Linux servers, virtual infrastructure solutions and consulting in open source systems

All Infiniroot managed #Kubernetes clusters are monitored and fully integrated into our #Icinga core #monitoring.
When we got a cluster alert, we suspected one or more cluster nodes running into a "node pressure" situation.
But it turned out to be a #Kernel bug!
www.infiniroot.com/blog/1484/ku...

#sunrise