Category Archives: Linux

Running 40Gbps Network on Mini PCs For Under $50

By | 31st December 2023

I recently setup my Home Lab. However, I realised that the network connecting two of the mini PCs hosting my distributed GlusterFS volume was too slow. I was getting bottlenecked by the network between them. The 2 NVMe SSDs I put in would be no good if the network between them was going to be… Read More »

Building My Home Lab – IPv6, Docker Swarm and more

By | 28th December 2023

I have been wanting to get back into home labbing and hosting my own infrastructure, but just didn’t have the time for it because I was busy over the summer and fall – work, flying, running, weight training, bit of travelling kept me busy. However winter, foot injury and breaking my phone gave me extra… Read More »

Building Fanless Virtualized Desktop

By | 21st May 2023

I recently moved into a new apartment and could finally consider owning a PC. I wanted to build a desktop for work, running Linux VMs and for Microsoft Flight Simulator. I’m training to become a pilot and I felt it would help me save time and money if I could fly virtually. At the same… Read More »

Proxmox with OPNSense setup on dedicated server

By | 8th January 2022

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 »

My talk about DevOps at Coffee and Code, Goa

By | 15th December 2018

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 »

Updates to blog – BGP, IPv6, TLS 1.3 and more

By | 8th December 2018

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 »

Ultimate OpenVPN setup – inter-connecting, connecting to multiple sites at once

By | 21st May 2018

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 »

Free wildcard certs with Let’s Encrypt & DNS auth ft. Route 53

By | 17th May 2018

Everyone’s favorite SSL certificate authority Let’s Encrypt recently announced support for wildcard SSL certificates on their forum here using the ACMEv2 API. Wildcard SSL certificates still cost as much as $150-300/yr on the market. Getting them for free is a huge bonus. Install Certbot Grab the Certbot tool for issuing Let’s Encrypt signed SSL certificates.… Read More »