When I set forth with my journey of containerization with docker, I have gone through a misconception that Overlay networking in docker can’t be set up without any orchestrator like Docker swarm, Kubernetes. But after spending some time with containers I realized that I was wrong, Orchestrators leverage the functionality of overlay networking but it is not true that we cannot use overlay networks without any swarm or Kubernetes.
Category: DevOps
Cache Using Cloudflare Workers’ Cache API
As we all know that the caching is a process that everyone uses using different topologies like caching at application node, geographical caching, even some organizations set up a completely dedicated cluster of nodes only for caching.
In this blog, we will discuss setting up Geographical caching using Cloudflare’s Content delivery network and Cloudflare’s workers.
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Automatically Backup Alibaba MySQL using Grandfather-Father-Son Strategy
So, basically what is Grandfather-father-son or GFS?
GFS backup is a common rotation scheme for backup, in which there are three or more backup cycles, such as daily, weekly, and monthly. Typically, It consists of daily backups (son, at fixed intervals of hours in a day), a weekly full backup (father, once a week), and monthly full backup (Grandfather, once a month).
Continue reading “Automatically Backup Alibaba MySQL using Grandfather-Father-Son Strategy”
A Closer Look at coreDNS
The purpose of this blog is not to go deep into coreDNS rather explain how DNS works in kubernetes, what coreDNS contains and how the corefile uses plugins. So let’s get started.
Make Your Own Rules, ElastAlert Style
Right off the bat, I want to say that, this blog does not cover installing and configuring ElastAlert in the usual sense, i.e. working with pre-existing rules. It helps, I hope, in understanding the requirements for adding one’s own rule. Continue reading “Make Your Own Rules, ElastAlert Style”