Articles | Notes | Tips | Tutorials
Wish you all a Happy, Healthy, Prosperous, & Peaceful 2021 …
In this article, we will setup and demonstrate the HashiCorp Vault for managing and controlling access to sensitive enterprise assets such as Passwords, Access Tokens, Certificates, etc., on a 3-node VirtualBox based VMs. Here is the link to the article:
Enjoy 🙂 !!!
In this article, we will setup and learn how to work with the Linux iptables firewall using 3 VMs on a Linux host and explore the core concepts. Here is the link to the article:
Fundamentals of Linux iptables Firewall
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In this article, we will setup and demonstrate the different SSH Tunnel options using 3 VMs on a Linux host and explore the core concepts. Here is the link to the article:
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In this article, we will setup and demonstrate the Envoy network proxy on a 5-node ODroid-N2 ARM based cluster and explore the core concepts. Here is the link to the article:
Introduction to Envoy (ARM Edition)
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In this article, we will demonstrate how one can isolate a process to have its own Mount points and Networking stack independent of the Host namespace leading up to building a simple Container from scratch using Namespaces in Linux. Here is the link to the article:
Building a Linux Container using Namespaces :: Part – 2
Here is the Github repo for the code from this series.
Enjoy 😉 !!!
In this article, we will demonstrate how one can isolate a process to have its own Host name, User/Group IDs, Process IDs , and Mount independent of the Host namespace leading up to building a simple Container from scratch using Namespaces in Linux. Here is the link to the article:
Building a Linux Container using Namespaces :: Part – 1
Enjoy 😉 !!!
There are times when we need to burn ISO images to removable media like USB drives. For those using the Linux desktop and comfortable with command-line tools, here is a quick tip to wipe, format, and burn ISO images from the command-line:
Quick Tip :: Format and Burn ISO to USB in Ubuntu Linux
Hope this is useful for others as well – Enjoy 😉 !!!
In this article, we will introduce the Linux packet filtering firewall called firewalld that comes default in Redhat distributions Fedora/CentOS. Here is the link to the article:
Introduction to Linux firewalld
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In this article, we will setup Kubernetes on a 5-node ODroid-N2 ARM based cluster and explore the core concepts. Here is the link to the article:
Practical Kubernetes on ODroid-N2 Cluster (ARM Edition)
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In this article, we show how one can tweak the CPU clock frequency of Rock64 SBC. Here is the link to the article:
Rock64 ARM Single Board Computer
Enjoy 🙂 !!!