KVM/libvirt: Forward Ports to guests with Iptables
Forward ports to KVM/libvirt guests with iptables: static IPs, NAT rules, and external access to VM services step by step.…
Kibana & elasticsearch: Load balancing across multiple ES nodes
Load-balance Kibana across multiple Elasticsearch nodes using a local coordinating-only node: a pragmatic fix.…
DockerCon Europe 2017: Trip report
DockerCon Europe 2017 in Copenhagen: community leaders summit, announcements, and trip highlights.…
import kibana dashboards and visualization using groovy
Automate importing Kibana dashboards and visualizations with a small Groovy script, no manual export/import clicking.…
What do skydiving and building a tech community have in common
What skydiving taught me about building a tech community: fear, preparation, and the leap that makes both worth it.…
Spring Boot metrics monitoring using elasticsearch and kibana
Ship Spring Boot Actuator metrics to Elasticsearch and visualize them in Kibana: a monitoring pipeline for microservices.…
Using Redis as Buffer in the ELK stack
Use Redis as a buffer in the ELK stack: decouple log shippers from Logstash and keep spikes from overwhelming Elasticsearch.…
Yo! Avoid finalizers.
Why you should avoid Java finalizers: unpredictable, dangerous, and unnecessary. What Effective Java item 7 means in practice.…