CoreOS & Sysdig, Part 1: Digging Into CoreOS Environments

The text discusses the integration of Sysdig with CoreOS environments, highlighting the unique visibility Sysdig provides for troubleshooting and observing transactions within containerized applications. The article explains the deployment of Sysdig on CoreOS using a Docker container, allowing for full visibility of system events across containers without the need for additional instrumentation. It provides a step-by-step guide on setting up a basic CoreOS infrastructure using Fleet unit files to manage frontend and haproxy containers, which are configured with the help of etcd and confd for service discovery and load balancing. Various use cases are demonstrated, such as observing application transactions and commands executed within containers, showcasing how Sysdig can aid in troubleshooting containerized applications. The text concludes by mentioning the Sysdig Cloud solution for unified monitoring and alerting in distributed CoreOS environments, emphasizing the ease of use and passive nature of Sysdig in providing deep insights into container activities.