How to monitor Valkey (as AWS MemoryDB cluster) with user credentials and TLS

Published on September 25th 2025 - Listed in Monitoring Redis AWS Cloud Coding Python - 0 comments

How to allow all ICMP types in EC2 Security Group using Terraform

Published on September 1st 2025 - Listed in AWS Cloud Linux Network Security - 1 comments

How to create a dynamic redirect rule for multiple domains (hostnames) in Cloudflare

Published on August 25th 2025 - Listed in Nginx Cloud Internet - 0 comments

AWS EC2 instance (aws_instance) replaced on every Terraform run

Published on August 6th 2025 - Listed in AWS Cloud - 1 comments

check_rancher2 1.13.0 released: Added Rancher2 API token expiry check

Published on June 16th 2025 - Listed in Rancher Kubernetes Monitoring Observability Cloud - 1 comments

Sysdig not working anymore in Docker container (empty formatting token)

Published on September 24th 2024 - Listed in Kubernetes Cloud Containers Docker Linux - 1 comments

Travis CI builds fail with expired key error on MongoDB APT repository

Published on June 12th 2024 - Listed in Cloud Coding Linux MongoDB - 0 comments

Rancher 2.8 Kubernetes Upgrade on downstream cluster failed (another git process seems to be running)

Published on June 1st 2024 - Listed in Kubernetes Cloud Rancher Containers Docker - 0 comments

Creating an AWS EKS cluster and solving kubectl connection issues (due to older awscli version)

Published on April 25th 2024 - Listed in AWS Cloud Kubernetes - 0 comments

kubectl rollout error: unknown command restart deployment

Published on January 25th 2024 - Listed in Kubernetes Cloud Rancher Containers - 0 comments

Fixing Twilio SMS API Error 400: Permission to send an SMS has not been enabled for the region

Published on November 30th 2023 - Listed in Monitoring Cloud - 0 comments

How to renew expired certificates in MinIO S3 Object Storage Server

Published on October 26th 2023 - last updated on December 6th 2024 - Listed in Linux Minio Cloud - 5 comments

Travis CI Builds have been temporarily disabled for public repositories due to a negative credit balance

Published on September 29th 2023 - Listed in Git Coding Cloud - 0 comments

How to monitor PostgreSQL database size in AWS RDS

Published on April 28th 2023 - Listed in Monitoring AWS PostgreSQL Databases Cloud - 0 comments

How to create databases, users (roles) and install extensions in AWS RDS PostgreSQL

Published on April 27th 2023 - last updated on May 8th 2023 - Listed in AWS Cloud PostgreSQL Databases - 0 comments

Solving DNS issues due to outdated /etc/resolv.conf inside Rancher managed Kubernetes after a DNS server change

Published on April 9th 2023 - Listed in Docker Kubernetes Rancher Internet Cloud - 1 comments

First steps with self-hosted Rocket Chat: Watch the holes (bugs)!

Published on February 11th 2023 - last updated on February 11th 2023 - Listed in Cloud Linux - 0 comments

check_rancher2 1.12.0 released: Monitoring of Rancher internal certificates in the local cluster

Published on February 2nd 2023 - Listed in Kubernetes Rancher Internet Cloud Monitoring - 0 comments

What to do when Rancher (Kubernetes) internal Ingress controller certificates have expired

Published on January 27th 2023 - Listed in Docker Kubernetes Rancher Internet Cloud Monitoring - 0 comments

check_rancher2 1.11.0 released: Allow ignoring specific workloads, treat provisioning cluster differently

Published on January 10th 2023 - Listed in Docker Kubernetes Rancher Internet Cloud Monitoring - 0 comments

New monitoring plugin: check_sftp to monitor SFTP server(s)

Published on December 27th 2022 - Listed in Monitoring Linux Network Cloud - 0 comments

How to block a client IP address or range in Cloudflare

Published on November 9th 2022 - Listed in Cloud Security Internet Network - 0 comments

check_rancher2 1.10.0 released: Handle newer Kubernetes versions, added ignore status in workload check

Published on September 14th 2022 - Listed in Docker Kubernetes Rancher Internet Cloud Monitoring - 0 comments

check_rancher2 1.9.0 released: Improvements in plugin output

Published on July 29th 2022 - Listed in Docker Kubernetes Rancher Internet Cloud Monitoring - 0 comments

Cloudflare managed WAF rule blocks Confluence page edit close request (doeditpage.action)

Published on June 22nd 2022 - Listed in Atlassian Security Internet Cloud - 0 comments

How to set up log forwarding in KeyCDN and log events to a dedicated log file with Rsyslog

Published on June 17th 2022 - last updated on June 17th 2022 - Listed in Linux Cloud Network Internet - 0 comments

check_rancher2 1.8.0: More performance data, new resource threshold (cpu, memory, pods) monitoring

Published on June 10th 2022 - Listed in Docker Kubernetes Rancher Internet Cloud Monitoring - 0 comments

How to list only a specific EC2 instance filtered on a tag (name) in AWS cli

Published on May 4th 2022 - Listed in AWS Cloud Linux - 0 comments

AWS: How to extend an EBS volume on EC2 instance and grow Linux LVM and file system without downtime

Published on April 21st 2022 - last updated on May 4th 2022 - Listed in AWS Cloud Linux LVM - 0 comments

Nginx Ingress configuration gone after Rancher and Kubernetes update

Published on March 23rd 2022 - Listed in Rancher Kubernetes Docker Cloud Containers Nginx - 0 comments

Troubleshooting AWS EC2 instance with lost network connectivity (after upgrade to Ubuntu 20.04)

Published on February 9th 2022 - Listed in AWS Cloud Linux Network Systemd - 1 comments

How to enable missing secure cookie attribute in Roundcube webmail

Published on January 19th 2022 - Listed in Roundcube Cloud Mail Security - 0 comments

How to fix a Rancher 2 cluster node stuck registering in downstream cluster (not shown in UI)

Published on January 10th 2022 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

Varnish caching combined with HAProxy balancing in Kubernetes deployments (and tackling strange DNS issues)

Published on December 16th 2021 - Listed in Kubernetes Containers Cloud HAProxy Varnish - 0 comments

Kubernetes node under disk pressure - but there is enough disk space in /var/lib/docker!

Published on December 15th 2021 - Listed in Rancher Kubernetes Docker Cloud Containers Linux - 0 comments

Cluster role issues after Kubernetes upgrade: error getting ClusterInformation: connection is unauthorized

Published on December 8th 2021 - Listed in Rancher Kubernetes Docker Cloud Containers - 0 comments

Monitoring plugin check_rancher2 1.7.1 released: Fix in cluster status check

Published on December 1st 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

How to use AWS command line (CLI) with Google Authenticator as virtual MFA device

Published on November 22nd 2021 - Listed in AWS Security Linux Cloud - 0 comments

Rancher managed Kubernetes (Docker) node unable to pull images after clean-up

Published on November 18th 2021 - Listed in Rancher Kubernetes Docker Cloud Containers Linux - 0 comments

AWS EC2 instances not booting after Ubuntu distribution upgrade (grub install to wrong NVMe device)

Published on November 12th 2021 - Listed in AWS Cloud Linux - 0 comments

Docker upgrade on Kubernetes node (Ubuntu) failed: The aufs storage-driver is no longer supported

Published on November 11th 2021 - Listed in Rancher Kubernetes Docker Cloud Containers - 0 comments

Table of contents in LibreOffice Writer not working after ODT download from Google Docs

Published on November 4th 2021 - Listed in Office Cloud - 1 comments

Missing calico-node role in Rancher managed Kubernetes cluster after K8s upgrade with RKE

Published on October 26th 2021 - last updated on November 25th 2021 - Listed in Rancher Kubernetes Docker Cloud Containers - 0 comments

How to monitor and handle evicted pods (containers) in Rancher managed Kubernetes

Published on September 17th 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

Monitoring plugin check_rancher2 1.6.1 released: Bugfix in cluster and project lookup

Published on August 25th 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

How to secure the Plesk Panel with a Lets Encrypt certificate (and solve port 8443 problem)

Published on August 24th 2021 - Listed in Internet TLS Security Cloud SSL - 0 comments

Unable to deploy Rancher managed Kubernetes in LXC/LXD containers due to kube-proxy and nf_conntrack_max values

Published on July 23rd 2021 - last updated on December 8th 2021 - Listed in Docker Kubernetes Rancher Internet Cloud Coding LXC Containers - 0 comments

Unable to create LXC container due to ERROR: Unable to fetch GPG key from keyserver (key server down)

Published on June 22nd 2021 - last updated on July 8th 2021 - Listed in Linux LXC Cloud - 0 comments

Mautic calendar not showing all events - how to fix the notes result limit

Published on May 26th 2021 - Listed in Office Cloud - 0 comments

Monitoring plugin check_rancher2 1.6.0 released: added performance data on single Kubernetes cluster check

Published on May 4th 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

Monitoring plugin check_rancher2 1.5.0 released: jq is now required instead of jshon, fixes cluster health check

Published on April 14th 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

Seafile upgrade and Seahub start errors after upgrading from Seafile 7.0 to 7.1

Published on April 9th 2021 - Listed in Cloud Linux Seafile - 0 comments

How to use SUM function across multiple rows matching several criteria in LibreOffice Calc Spreadhsheets (SUMIFS)

Published on March 8th 2021 - Listed in Personal Cloud Internet Office - 0 comments

Fixing the Monitoring API is not ready error in Rancher 2 Kubernetes clusters

Published on February 18th 2021 - last updated on February 19th 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

Rancher 2 Kubernetes cluster shows alerts on Controller Manager and Scheduler - but why? A jump into the Kubernetes rabbit hole.

Published on February 11th 2021 - last updated on August 26th 2021 - Listed in Docker Kubernetes Rancher Internet Network Cloud Monitoring - 0 comments

A Rancher 2 upgrade gone bad: Management cluster down (a.k.a. you really need to ditch helm v2 and use helm v3)

Published on February 9th 2021 - last updated on February 16th 2021 - Listed in Docker Kubernetes Rancher Internet Cloud - 0 comments

How to solve Kubernetes upgrade in Rancher 2 failing with remote error: tls: bad certificate

Published on January 28th 2021 - Listed in Docker Kubernetes Rancher Internet Cloud - 0 comments

Painless e-mail mailbox migration/sync using imapsync

Published on January 14th 2021 - Listed in Mail Cloud Internet Linux - 0 comments

How to deploy your own remote public IP address lookup service (in Kubernetes using Rancher 2)

Published on December 11th 2020 - Listed in Docker Kubernetes Rancher Internet Network Cloud - 0 comments

Solve Seahub start problems after Seafile upgrade from 6.2 to 7.0

Published on November 18th 2020 - last updated on April 9th 2021 - Listed in Cloud Linux Seafile Nginx - 0 comments

PowerDNS master slave replication stopped working due to AWS Elastic IP mysteriously gone

Published on August 19th 2020 - Listed in PowerDNS DNS AWS Cloud - 0 comments

Upgrading Roundcube from 1.3.x to 1.4.x and testing the new responsive skin (Elastic)

Published on July 31st 2020 - last updated on August 1st 2020 - Listed in Internet Cloud Mail Roundcube - 0 comments

How to create automatic snapshots (backups) of EC2 storage volumes using Data Lifecycle Manager

Published on June 22nd 2020 - Listed in AWS Cloud Backup - 0 comments

How to create a visual status progress bar in a Google Sheets spreadsheet

Published on April 21st 2020 - last updated on August 27th 2021 - Listed in Internet Cloud Personal Office - 12 comments

How to create automatic backups (snapshots) of an EC2 instance in AWS using Cloudwatch

Published on April 3rd 2020 - last updated on June 22nd 2020 - Listed in AWS Cloud Backup - 0 comments

HAProxy: How to use different HTTP Host header based on each backend server address

Published on December 11th 2019 - Listed in HAProxy Linux Elasticsearch ELK Cloud - 1 comments

HAProxy backend server behind AWS LB remains down with HTTP 503

Published on January 25th 2019 - Listed in HAProxy Linux Internet AWS Cloud - 0 comments

Reset (clean up) a Rancher Docker Host / Kubernetes Node

Published on October 28th 2016 - last updated on March 4th 2025 - Listed in Linux Virtualization Containers Rancher Cloud Kubernetes - 0 comments

Seafile client stuck in sync? Check for special characters in file names!

Published on October 27th 2015 - Listed in Windows Internet Seafile Cloud - 0 comments

New Gmail Layout: Show labeled text buttons again

Published on April 24th 2012 - Listed in Internet Mail Cloud - 0 comments