Logging

Looking to learn about Logstash as quickly as possible? This article is for you: we’ll install Logstash and push some Apache logs to Elasticsearch in less than 5 minutes.

Logtrail is a popular Kibana plugin that makes Kibana look like Papertrail. Sematext’s Logtrail view in Kibana gives you the terminal-like experience of exploring logs without the pain of needing to ssh into machines.  With Logtrail you can see new […]

The Linux Audit framework is a kernel feature (paired with userspace tools) that can log system calls. For example, opening a file, killing a process or creating a network connection. These audit logs can be used to monitor systems for […]

“Why does the ‘docker logs’ command 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 […]

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 […]

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 […]

Centralizing logs to Elasticsearch? Of course, the first log shipper that comes to mind is Logstash. When you get into it, you realize centralizing logs often implies a bunch of things, and Logstash isn’t the only log shipper that fits […]

Enterprises without DevOps teams and culture typically experience long applications deployment cycles. Once developers make a new release the operations team needs to deploy it to one of the existing or new servers. This often takes a long time (up […]

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 […]