I needed a dedicated server for running a few VMs. I decided to get a server in Montreal from Kimsufi. This guide should also work with other dedicated server providers, including sister companies of Kimsufi like OVH and SoYouStart. This is a write-up on how to set it up. These are some things that I… Read More »
On 13 October 2018 I had given a talk about Devops – The art of managing infrastructure at scale at a Cofee and Code event held at 91Springboard, Goa. In the talk I spoke about managing infrastructure from different perspectives – developer, Linux sysadmin, network admin and leveraging open source tools to do so. I… Read More »
Just wanted to share a few updates about blog and life. TLS 1.3 with 0-RTT TLS 1.3 is a new standard of encryption on the web and I have implemented it! This should result in faster load times and improved security for the users. ECDSA certs are enabled too, along with RSA for better performance.… Read More »
A friend recently asked me: I would like to know how to build a global CDN network. I’m currently exploring all the CDN options on the market, but would like to know how to build one since it looks like an interesting problem to solve. A Content Delivery Network(CDN) is nothing but a service which… Read More »
Virtually every address on the internet is connected with each other with a protocol called as the Border Gateway Protocol(BGP), which dynamically routes traffic on the internet to the closest network. This guide will show you how you can be part of the internet for the cheapest possible cost. This guide is intended for sysadmins… Read More »
Before proceeding I want to make it absolutely clear that these are my personal views only and nothing to do with my employer or their views. National Internet Exchange of India(NIXI) is an internet exchange in India, infact one of the few in the country and is fully government owned non-profit entity initially established to… Read More »
I had multiple networks scattered around different places and needed a way to link all of them together. They were as follows: Work related VPNs. There were multiple VPNs, to access different parts of the internal networks. Handling multiple VPN files was very cumbersome. For convinience let’s assume we have a single network here –… Read More »
One of the reasons why people run BGP is when reliability is of utmost importance and sessions terminating abruptly can simply be not afforded, especially in cases like VOIP. However this is an expensive proposition both cost and skill wise. There may be a middle ground between this and simple failover with multiple uplinks. That… Read More »
As many of those close to me know, I had a bad disc prolapse in my lower back about 1.5 years back. The situation was so bad that I couldn’t walk for a few months, with pain shooting down to my legs. After that I was very out of shape, with a lot of weight… Read More »
Whether you may be a large web host, or a small ISP serving a neighborhood; DDOS attacks in India can be extremely problematic and hard hitting. Here are some of the ways you can ensure that you aren’t affected by a lot. All of these solutions assume that you are running BGP. We were able… Read More »