ck - yet another tech blog made in switzerland
Farewell, Corsair CX430, you have done your duty!
Workaround to use cqlsh for Cassandra 5.x on Debian 13
Regression fix in check_smart monitoring plugin 6.18.2
check_smart monitoring plugin security release (6.18.1)
PowerDNS monitoring plugin also alerts for security releases!
check_smart 6.18.0: sudo command path fix, added NVME I/O error detection
Monitoring RabbitMQ queues but handle no queue situation
mysql_upgrade: unknown variable max_allowed_packet=256M
Znuny running into Internal Server Error after Debian upgrade
Vulnerable Magento (Adobe Commerce) stores worldwide attacked through PolyShell and SessionReaper exploits
check_mysql_slavestatus monitoring plugin now supports both REPLICA and SLAVE replications
How to code successful games - the Jili way
Wordpress, Elementor and the mysterious server error (500 error)
Updating OpenWRT firmware (or reboot?) worked wonders for packet loss issues
SSH service reload not working in Debian 13 - fatal: Cannot bind any address
New version of onitoring plugin check_zpools detects and alerts when spare drives in use
MySQL (client) commands in shell scripts fail with ERROR 2026 (HY000): TLS/SSL error: SSL is required
Fixing SolarEdge PyModbus compatibility error after Debian upgrade
check_smart 6.17.0 fixes ATA error count and adds areca raid support for multi-device check
Nginx error after Debian distribution upgrade: unknown directive rewrite_by_lua_block
netfilter-persistant iptables-restore error due to missing ipset
check_ilorest 1.2.1 adds power usage metrics for HPE ProLiant servers
MariaDB switch to socket authentication fails with error 1146 (42S02): Table mysql.global_priv doesnt exist
Fixing Prometheus scrape error: Error on ingesting samples with different value but same timestamp
check_ilorest: A new hardware monitoring plugin for HPE ProLiant servers
How to fix opendkim-testkey command running into DNS query timeout
How to monitor Valkey (as AWS MemoryDB cluster) with user credentials and TLS
Improving the blog tags (categories) by switching SQL query function from LIKE to REGEXP
Systemd service not starting under CentOS / RHEL 7 but works on newer releases
Regression found in latest Varnish Enterprise (varnish-plus) 6.0.16r2
Fixing Perl strict errors in HAProxy monitoring plugin check_haproxy
Fixing broken SNMP monitoring on virtual firewalls (VS) after Checkpoint update to R81.20
How to allow all ICMP types in EC2 Security Group using Terraform
Prometheus Process Exporter and the 15 character groupname limit (using .Comm)
Halftime report: 20 years working with Linux, 40 years in life
How to create a dynamic redirect rule for multiple domains (hostnames) in Cloudflare
httpchk headers or body at the end of the version string is unsupported (in newer HAProxy releases)
How to verify Varnish VCL configuration
OpenTelemetry Collector error: failed to create SDK bind: address already in use
AWS EC2 instance (aws_instance) replaced on every Terraform run
Solving GitLab pipeline error (): mapping values are not allowed in this context
Grafana dashboard panel error shows invalid interval string after major version upgrade
Prometheus node_exporter fails to start inside container
check_rancher2 1.13.0 released: Added Rancher2 API token expiry check
check_smart 6.16.0 adds support for devices behind usbjmicron bridge
Keepalived VIP not responding on RHEL 9 / EL9
Surprisingly good endurance without any errors of this SanDisk Ultra 3D SSD
Kernel panic during boot after Ubuntu upgrade (due to missing linux-image-generic package)
How to change a mapping field type by re-indexing in Elasticsearch
How to fix broken monitoring checks using PhantomJS (TypeError) after Ubuntu upgrade
Fixing code errors after PHP upgrade 7.4 -> 8.1 or 8.2
Lets Encrypt certbot failed to authenticate domain with mixed DNS records (AKA do not forget IPv6 records)
How to find the active (U)EFI partition and sync partition to secondary SSD in Debian Linux
Filesystem running out of inodes on Laravel app server due to Blade views (view cache)
Monitoring backend icinga2 is not running (due to time sync issue)
All mail servers suddenly listed on NixSpam (ix.dnsbl.manitu.net)
How to retrieve metrics from all processes using Grafana Alloy
check_esxi_hardware 20250221 released: pywbem exception improvements
Using GiB instead of KiB in libvirt xml memory allocation of KVM/Qemu VM
How to compare version numbers in a Python condition
Performance boost on my HP Microserver N40L after Debian 12 upgrade