4 august Recent troubleshooting cases from our SREs, part 2

Our stories include a poorly prepared Kafka in Docker, an unexpected network issue for ZooKeeper & ClickHouse, a faulty hardware in the data center, and the PgSQL database optimization.

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24 jule Modifying etcd data of your Kubernetes directly (without K8s API)

Sometimes you might need to make changes directly in etcd data of your Kubernetes cluster. Here is our experience in solving network issues using an enhanced version of etcdhelper tool.

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23 jule Grafana statusmap panel 0.3.0 and what it brings

Grafana statusmap panel plugin helps to visualize status of multiple objects over time. It's very useful for monitoring needs in your DevOps routines. What are the new features introduced with its v0.3.0 release? What is the project's roadmap?

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17 jule Kubernetes operators made easy with shell-operator: project status & news

Shell-operator allows you to make Kubernetes operators using scripts in Bash, Python, etc. (or other binaries): fast, easy and correct way. Here you will find last news from this Open Source project.

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10 jule Keep your eyes open: How to avoid exposing your internal proxy

How to keep all your IP addresses private to prevent DDoS attacks and other security vulnerabilities in your network infrastructure. Our real case and general recommendations.

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3 jule Upgrading MySQL (Percona Server) from 5.7 to 8.0

Preparing your MySQL multi-master cluster for a huge upgrade in Linux. Making a smooth transition with some help of Percona Toolkit.

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23 june ConfigMaps in Kubernetes: how they work and what you should remember

Why we have ConfigMaps in Kubernetes? How they are organized and what happens when they change? How can you monitor these changes?

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11 june Migrating Cassandra from one Kubernetes cluster to another without data loss

How we have moved a running Cassandra instance between Kubernetes clusters and changed the K8s operator to manage it.

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2 june Distributed CI/CD with werf

werf is an Open Source CLI tool to build Docker images and deploy them to Kubernetes. Its new distributed mode is easy to set up and making your CI/CD pipeline more scalable.

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29 may Announcing k8s-image-availability-exporter for Kubernetes

Learn about Prometheus exporter that warns about missing images defined in Kubernetes objects and not existing in your container registry (Docker Registry V2 compatible).

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