“Why does the command ‘docker logs’ fail?“, is one of our frequently asked questions. The answer is simple and mentioned in the Docker documentation: “The docker logs command is not available for drivers other than json-file and journald.” Amazing as it sounds, it’s true. It is […]
GDPR: Top 5 Logging Best Practices
The rather broad definition of personal data in the GDPR requires paying special attention to log data. GDPR and personal data in web server logs is a popular topic in many GDPR fora. For example, IP addresses or cookies might […]
IoT: Air Pollution Tracking with Node.js, Elastic Stack, and MQTT
What can you do with a couple of IoT devices, Node.js, Elasticsearch, and MQTT? You can put together your own Internet of Things setup for measuring air pollution, like I have. In this blog post, I’ll share all the details […]
Top 10 Docker Logging Gotchas
Docker changed not only how applications are deployed, it also changed the workflow for log management. Instead of writing logs to files, containers write logs to the console (stdout/stderr) and Docker Logging Drivers forward logs to their destination. A check […]
Logagent Meets Apache Kafka
This is a guest post from Filippo Balicchia. Filippo contributed Logagent plugins for Apache Kafka the details of which he is sharing in this post. Filippo is a software engineer and a passionate coder interested in distributed and cloud technologies, […]
X-Pack Alternatives
Last updated on Jan 15, 2018 People love Splunk. But not its price. So people are always on a lookout for a good Splunk alternative. Many of those people migrated from Splunk to ELK Stack or Hosted ELK Stack solutions […]
Docker Log Management & Enrichment
Over the last several months we’ve made all kinds of improvements to Sematext Docker Agent (SDA). If you’re not familiar with SDA yet, here it is in a nutshell Sematext Docker Agent is a modern, open-source, Docker-native monitoring and log […]
Docker Orchestrations Compared: Kubernetes vs Amazon ECS vs Docker Cloud / Swarm…
Containerized software is riding a wave of growth, according to latest RightScale survey. At Sematext we see this growth trend via our Docker monitoring adoption and via Sematext Docker Agent popularity on Docker Hub, where it crossed 1M+ pulls line. […]
Docker Security: Using Docker Secrets with Swarm
This post shows how to use Docker Secrets in Docker Swarm mode. For our example we’ll show how to use Docker Secrets to encrypt and safely store tokens used by Sematext Docker Agent for shipping Docker metrics and logs. Before […]