Facebook global outage: Impact, causes, and takeaways
On Oct 4, around 11:40 AM eastern time, Facebook and its associated services ( Instagram, Whatsapp ) started showing signs of an outage, and shortly it went to the global scale and the entire...
Category: Server management
Setup a local development proxy using Nginx handling CORs
If you are a front-end developer, you must be familiar with the pain of connecting to the API when working on your development machine. You may be running a local npm server and the...
Nginx proxy with AWS ELB: Critical handling for intermittent gateway timeout ( 499 or 502 )
This post describes important handling that needs to be put in the Nginx to avoid getting intermittent gateway timeouts during a proxy pass to an AWS ELB. Please read on to see the issue...
RabbitMQ configuration for HA ( Queue Mirroring )
RabbitMQ is one of the most commonly used messaging brokers. The setup is fairly straightforward and there is abundant support available for different client languages and libraries. We have many RabbitMQ clusters deployed in...
Configuring AWS ECR as docker registry in Centos server
Docker is a widely popular container system and most of the modern systems use Docker for scalability and maintainability. One of the main points of consideration while moving to docker is the registry. Registry...
Linux commands cheatsheet for every developer
The tasks of the developers were previously confined to coding, testing and pushing of code to the repository. A developer was never bothered about where the application was run and how the environment or...
Smart virtualbox configuration with static IP and DHCP for internet
As a developer, I am required to work on different projects and each of them has got their own requirements for the environment and dependencies. One may require a combination of RabbitMQ and MySQL...
Securing Kibana with basic auth using nginx as reverse proxy
We heavily use ELK and especially Kibana for our dashboard requirements. Kibana is not just used for log monitoring, we use custom dashboards using elasticsearch indexes. Kibana by default does not have security enabled and...
Nginx proxy based IP whitelisting for your underlying service
Nginx is one of the most sought-after webservers when intended for reverse proxy or static content serving. Let’s see how we can use nginx to restrict IP addresses that can access underlying services when nginx...
Setting up Kubernetes cluster for container orchestration
I have started playing around with docker containers lately and was looking for a solution for container orchestration. I stumbled upon Kubernetes and started exploring it and I must say that it’s surely worth a...
