Am pasting my notes on cleaning up Transit-Gateway and Transit-gateway attachments, this is readily available on AWS documentation but thought I will paste it here if anyone wants to quickly copy and paste the steps instead of going through the documentation. …

Note : I wanted to quickly demo out Kinesis video streaming, I initially thought a local-mac was a good candidate, installation was extremely painful, then I created a ubuntu VM 22.04 had errors, then went to ubuntu 20.04, everything was fine but vmware abstration was very poor for reason and…

Have you anytime used py-bt inside gdb or used gdb to trace a linux process, if so you can skip this post GDB is awesome! Am not a everyday programmer but I have been studying internal of linux and operating systems and its fascinating. I wrote about process last time…

I have taken operating systems for granted but looking internally it's an excellent experience to understand how everything gets glued together, this post will be an overview of a process and what happens to a process. A program is nothing but a set of instructions that the user writes for…

What is FRR? a. License based AWS internal routing platform b. Only supports static routing and IPSEC vpn c. Open-source internet routing protocol suite for *nix platforms d. Support BGP along with ISIS,OSPF networking protocols Answer is at the end of the post, feel free to skip it, I just…

What is Traffic Mirroring ? a. Used for Content Inspection,Threat Monitoring,Troubleshooting b. Can only be implemented with a Load Balancer c. Needs Elastic Fabric Adapter d. Flow logs capture mirrored traffic Answer is at the end of the post, feel free to skip it, I just did not want to…

What is Transit Gateway in AWS used for ? a. Interconnect One or more VPC's eliminating need for full mesh b. customer gateway in only one region c. Enhanced NAT gateway d. Can be used to Connect SD-Wan with VPC's Answer is at the end of the post, feel free…

Before understanding the way AWS does transitive routing, let us try to wrap our head on transitive property in mathematics What is Transitive Property? A property is called transitive property, if x, y and z are the three quantities, and if x is related to y by some rule, and…

I was faced with a requirement to move the Route53 domain from one AWS account to another, documentation was not straight forward and I ended up with some problems, both of these are my personal domains so outage is not a problem for me, hence I went ahead with some…