From claudiokuenzler.com
How to find the active (U)EFI partition and sync partition to secondary SSD in Debian Linux
0 1
As UEFI partitions cannot be run in a software raid setup, the EFI data needs to be synced manually to a second disk after Debian setup completed.
on Fri, 5PM
From claudiokuenzler.com
Filesystem running out of inodes on Laravel app server due to Blade views (view cache)
0 0
A Laravel application wrote so many Blade template views, it ran out of inodes on the filesystem.
on Mar 24
From claudiokuenzler.com
Monitoring backend icinga2 is not running (due to time sync issue)
0 0
Icingaweb2 UI showed an error backend icinga2 is not running after physical server reboot.
on Mar 11
From claudiokuenzler.com
How to retrieve metrics from all processes using Grafana Alloy
0 0
How to configure Alloy to collect metrics from all processes.
on Feb 27
From claudiokuenzler.com
check_esxi_hardware 20250221 released: pywbem exception improvements
0 0
The latest release of check_esxi_hardware improves exception handling of the Python pywbem module.
on Feb 21
From claudiokuenzler.com
Using GiB instead of KiB in libvirt xml memory allocation of KVM/Qemu VM
0 0
Almost all KVM/QEMU tutorials, using libvirt, show examples with KiB as memory allocation unit. But it can be much easier!
on Feb 18
From claudiokuenzler.com
How to compare version numbers in a Python condition
0 1
To fix a compatibility issue, I needed to find a way to compare semantic version strings in a Python condition.
on Feb 14
From claudiokuenzler.com
Performance boost on my HP Microserver N40L after Debian 12 upgrade
0 1
Got a nice performance boost on my HP Microserver N40L after upgrading to Debian 12 (Bookworm).
on Feb 12
From claudiokuenzler.com
Fix CI/CD pipelines using EPEL repositories for EL7 (RHEL7, CentOS7)
0 0
As EL7 distributions are officially EOL, the EPEL repositories for EL 7 were archived as well.
on Feb 5
From claudiokuenzler.com
check_smart 6.15.0 released: SMART Error Log check + usage override possibility
0 0
Version 6.15.0 of the check_smart monitoring plugin adds new features.
on Jan 31
From claudiokuenzler.com
How to convert from Unix nano timestamp format to human readable date in Linux
0 0
Metrics are usually stored with a nano timestamp in time series databases. Luckily it is easy to change the date/time format.
on Jan 28
From claudiokuenzler.com
rsync security update introduced a regression on Debian and Ubuntu Linux (meanwhile fixed)
0 1
The rsync security updates from January 14 2025 introduced a regression - which is meanwhile fixed.
on Jan 17
From claudiokuenzler.com
0 0
The latest release (20241129) of check_esxi_hardware removes support for legacy versions of python 2 and pywbem 0.7.0.
on Nov 29
From claudiokuenzler.com
How to create associative array from a comma separated string with key/value pairs in Bash script
0 0
Was looking for a way to read an input string which contains multiple keys and values and then compare the values with another lookup, based on the key (name).
on Nov 5
From claudiokuenzler.com
RPM build ERROR: No build ID note found on pre-compiled binaries
0 0
When I was about to build an RPM package with pre-compiled x86_64 binaries in it, I ran into rpmbuild errors.
on Nov 1
From claudiokuenzler.com
How to show the keys from JSON output on the Linux Shell
0 0
Comparing jshon and jq to retrieve the keys from a JSON output.
on Oct 31
From claudiokuenzler.com
Sysdig not working anymore in Docker container (empty formatting token)
0 0
Sysdig analysis inside Docker container failed with error empty formatting token on latest sysdig image.
on Sep 24
From claudiokuenzler.com
0 0
Wanted to the Proxmox containers root disk to sync the data from another PVE host. But I ran into a weird problem mounting the logical volume.
on Sep 13
From claudiokuenzler.com
Monitoring plugin check_smart 6.14.3 released: Performance data fixes
0 0
Version 6.14.3 of the check_smart monitoring plugin contains fixes for performance data.
on Sep 10
From claudiokuenzler.com
Empty CentOS 7 repository mirrors and how they break CI/CD pipelines
0 0
Every CI/CD pipeline job relying on installing CentOS 7 packages is failing, when using the official repositories.
on Aug 8
From claudiokuenzler.com
pure-ftpd: (?@?) [ERROR] Sorry, but that file doesn't exist: [/etc/ssl/private/pure-ftpd.pem]
0 0
A copy and paste error led to a pure-ftpd error on restart that the certificate file does not exist.
on Jul 30
From claudiokuenzler.com
Rewrite Perl script with HTML::Strip to use newer HTML::Restrict module
0 0
After a Linux distribution upgrade from RHEL7 to RHEL8, Perl scripts with HTML::Strip would fail.
on Jul 17
From claudiokuenzler.com
Tracing a layer 2 link on a Cisco Nexus switch with port-channel interfaces using SFP+ transceivers
0 0
Been trying to trace a physical link between server and Cisco Nexus switch. But by using port-channelling and modern SFP+ modules, this turned out to be trickier than expected.
on Jul 12
From claudiokuenzler.com
How to use multimedia hot-keys from hardware keyboard on QMMP audio player
0 0
To be able to control QMMP audio player with multimedia hot-keys from your keyboard, you need to enable plugins first.
on Jun 28
From claudiokuenzler.com
Monitoring Brother network printer with SNMP and alert when low on toner
0 0
There are a couple of monitoring plugins for printers available. But do they work on my Brother printer? I had to find out...
on Jun 25
From claudiokuenzler.com
Fixing broken graphite-web after Linux distribution upgrade
0 0
After a Linux distribution upgrade, Graphite Web stopped working.
on May 27
From claudiokuenzler.com
Ansible: How to handle a list from command line input variable (--extra-vars)
0 0
How to handle a list or array coming from a command line input variable (using --extra-vars) in Ansible
on May 2
From claudiokuenzler.com
Peugeot Update stuck in progress? Verify the partition(s) of the USB drive!
0 0
When the Peugeot Update application is stuck on writing to the USB drive, check out the partition layout of that thumb drive.
on Apr 15
From claudiokuenzler.com
How to fix the missing keymaps in Debian and Ubuntu (localectl: Failed to read list of keymaps)
0 0
By accident stumbled on a problem with keymaps on a Linux Mint: They are not detected by the system using localectl.
on Mar 18, 2024
From claudiokuenzler.com
How to use Brother MFC as scanning device on Linux Desktop
0 0
A Brother MFC device perfectly supports Linux Desktops and there are actually several ways how to scan a document.
on Mar 15, 2024
From claudiokuenzler.com
How to handle JSON decode error in Python script with try and except
0 0
While trying to catch JSON decode errors in a Python script, an except on JSONDecodeError did not work.
on Feb 24, 2024