Jan 11, 2021Signal App: Secure Screen SharingSignal is a very secure messenger app. I love Signal to call my friends and colleagues. For a long time, I missed Group-Calls, but the December 2020 release of Signal App introduced “Group calls”. Finally! Still, I missed a feature to share my PC Screen with other users, e.g. for…Signal App2 min readSignal App2 min read
May 15, 2017Elasticsearch Alerts: One day “hack” to create a “watcher” like alerting open-source tool in Node.jsThe ELK stack (Elasticsearch, Logstash , Kibana) are great tool to collect and analyze data from various sources. Making use of this data requires often alerting mechanisms to notify users about critical business or operational issues discovered by Elasticsearch queries. Unfortunately the open-source ELK stack does not include any tool…Elasticsearch4 min readElasticsearch4 min read
Apr 11, 2016Automatic Geo-IP Enrichment for Docker LogsIn “Innovative Docker Log Management” we wrote about the alternative (and better?) method for Docker logging compared to log drivers, which do only log forwarding. Getting logs from Docker Containers collected, shipped and parsed out of the box is already a big time saver, but some application logs need additional…Docker3 min readDocker3 min read
Dec 2, 2015Top Node.js Metrics to WatchDecember 2, 2015 by Stefan Thies Monitoring Node.js Applications has special challenges. The dynamic nature of the language provides many “opportunities” for developers to produce memory leaks, and a single function blocking the event queue can have a huge impact on the overall application performance. Parallel execution of jobs is…Nodejs6 min readNodejs6 min read
Jun 28, 2015Get CoreOS Logs into ELK in 5 MinutesJune 22, 2015 by Stefan Thies CoreOS Linux is the operating system for “Super Massive Deployments”. We wanted to see how easily we can get CoreOS logs into Elasticsearch / ELK-powered centralized logging service. Here’s how to get your CoreOS logs into ELK in about 5 minutes, give or take…3 min read3 min read
Jun 23, 2015How to add performance monitoring to node.js and io.js applicationsWe are starting to use Node.js here at Sematext and since eating one’s own dogfood is healthy, we wanted to be able to monitor our Node.js apps with SPM (we are in performance monitoring and big data biz). So the first thing we do in such a case is adding…3 min read3 min read
Jun 16, 2015Monitoring Kibana 4's Node.js AppMay 27, 2015 by Stefan Thies The release of Kibana 4.x has had an impact on monitoring and other related activities. In this post we’re going to get specific and show you how to add Node.js monitoring to the Kibana 4 server app. Why Node.js? Because Kibana 4 now comes…2 min read2 min read
Jun 16, 2015Docker Monitoring SupportJune 9, 2015 by Stefan Thies Containers and Docker are all the rage these days. In fact, containers — with Docker as the leading container implementation — have changed how we deploy systems, especially those comprised of micro-services. Despite all the buzz, however, Docker and other containers are still relatively…4 min read4 min read
Jun 16, 2015Performance Monitoring Essentials Booklet — Elasticsearch EditionJune 10, 2015 by Mick Emmett Elasticsearch is booming. Together with Logstash, a tool for collecting and processing logs, and Kibana, a tool for searching and visualizing data in Elasticsearch (aka the “ELK stack”), adoption of Elasticsearch continues to grow by leaps and bounds. In this detailed (and free!) booklet…3 min read3 min read
Jun 16, 20151-Click ELK Stack: Hosted Kibana 4June 11, 2015 by Stefan Thies We just pushed a new release of Logsene to production, including 1-Click Access to Kibana 4! Did you know that Logsene provides a complete ELK Stack? Logsene’s indexing and search API is compatible with the Elasticsearch API. That’s why it is very easy to…3 min read3 min read
