Why we switched from AWS Lightsail to EC2 for Gitlab

Gitlab can do Continuous Integration, Continuous Delivery, and Continuous Deployment within the same web interface. You can host Gitlab CE yourself on your own servers or in a container or on the cloud providers for free. AWS Lightsail is a...

AWS RDS or self-managed MySQL

Technical stack design and chosen is very important for initial stage start-ups. If we can do it right, the future issues could be avoided. There are many factors to build a scalable, cost efficient, high-performance system, but we will discuss...

Deploy your own private docker registry 2017

Software Version Docker >= 1.6.0 Before moving the stack into Kubernetes, you might think about mangage a private docker registry. Docker registry is imporant in your Kubernetes CI/CD pipeline. This article shows how to deploy a private docker registry with...

Network Monitoring Tools and Commands

iptraf iftop bmon nload ifstat http://iptraf.seul.org/ http://www.ex-parrot.com/pdw/iftop/ https://github.com/tgraf/bmon https://linux.die.net/man/1/nload https://linux.die.net/man/1/ifstat

Open source and free small files storage choices

The requirement of storage system for small files are: Efficient Safe Cheap Scalable Simplicity Compatibility High Availability Ceph Ceph provides object storage which compatible with S3 interface, Block storage (RADOS Block Device) which are striped and replicated across multiple machines,...

The good and bad about Elastic Beanstalk

At DevOps Zen, we are always working on the infrastructure migration, application performance optimisation, IT cost reduction for small and medium internet companies. We see some companies use Elastic Beanstalk managing their AWS production stack. This article explains a little...