Posts

Rotation of Google Container Engine Application Logs

3 minute read Published:

If you are running a Google Kubernetes Engine (GKE) cluster and delivering your applications logs using a logging agent – filebeat for instance – to your centralized logging solution you may want to control how these log files on the …

Deliver Kubernetes application logs to ELK with filebeat

4 minute read Published:

One of the problems you may face while running applications in Kubernetes cluster is how to gain knowledge of what is going on. Running kubectl logs is fine if you run a few nodes, but as the cluster grows you need to be able to view and query your …

Postfix Delivered Emails chart for netdata

2 minute read Published:

Netdata is a lightweight and powerful monitoring tool with beautiful dashboards. It supports auto-detection for almost anything and collects thousands of metrics automatically, one of which is Postfix mail server's queue. Above charts provide …

Ansible 2.1 on Debian Jessie 8.6

1 minute read Published:

Install dependencies: sudo apt-get install python-crypto python-ecdsa python-httplib2 python-jinja2 \ python-markupsafe python-paramiko python-pkg-resources python-selinux \ python-six python-yaml libssl-dev libxml2-dev libxslt1-dev \ …

Limit the number of goroutines running at the same time

3 minute read Published:

Recently I needed to write a program that would continuously read from a log file, parse it and deliver matching data to an endpoint. Go's concurrency and channel communication seemed ideal for this program. I would end up learning a bit more about …