Networking

Underestanding Certificate Authorities (CA), Certificate Signing Requests (CSR), Certificate (CRT), and the dynamic duo of public and private keys using illustrative examples

In this blog post, we deploy a local webhook server and configure how to proxy traffic and generate self-sign certificates

Similar to numerous other existing iptables cheat sheets, I'll compile the fundamentals of iptables here for easy reference. I focus on brevity and examples.

In this blog post, I'll guide you through the sFlow configuration of a Z9100 100G Dell Switch running OS9. We'll also explore how to redirect the traffic to be consumed on other machines using iptables

Dell Switch Configuration Commands Cheat Sheet (tested on Dell S3048, S4048 and Z9100)

We investigate how to route your browser's traffic through a private network.

Install and Boot Up Ubuntu 20.04 via PXE UEFI.

If you have a Linux VM running on the VirtualBox you can access it using SSH from your local machine and execute python codes using PyCharm IDE using SSH interpreter.

How to connect to a Linux system in your home or behind the NAT when you do not have a public IP?

How to create an overlay network in Ubuntu in four easy steps with Open vSwitch (OVS)? By creating an overlay network, you can have an extra interface attached to your system with any arbitrary IP that you would like. You can also join other machines to this network and have connectivity between all of them using the overlay IPs.