Introduction Traceroute probes each Router in the path to the target IP address by making every Router in the path reply with a ICMP Time Exceeded (Type 11) – time to live exceeded intransit (Code...

1. Download & Install VMWare Workstation 17 Pro It is now free. See VMware Workstation Pro: Now Available Free for Personal Use You will need a Broadcom account, which is also free. Here you ...

NOTE: All configurations were taken from a lab environment. Bounce interfaces every certain time The following bash script can be used to bounce one or more interfaces every certain time. The t...

NOTE: All configurations were taken from a lab environment. While building this Dockerfile Dockerfilecat FROM ubuntu:20.04 RUN apt-get update && apt-get -y upgrade RUN apt-get in...

NOTE: All configurations were taken from a lab environment. Introduction FRR is free software that implements and manages various IPv4 and IPv6 routing protocols. It runs on nearly all distri...

I use IPython quite often to validate my code and ensure that it is going to work the way I intended. There is something I don’t like from IPython though and that is its autocomplete feature. Most...

NOTE: Running Python 3.10.5 and IPython 8.22.2 in my environment when I created this post. Reverse a String the Pythonic way Reverse a String (str) in Python is very, very… very simple. Here w...

Error message: operation error DynamoDB: PutItem, https response error StatusCode: 400 Error cloud_user@553b1e446c1c:~/terraform_file_isolation/data-store$ terraform plan ╷ │ Error: Error acqui...

NOTE: All configurations were taken from a lab environment. Introduction In this post we will be creating 2 isolated resources in AWS, a webserver (and EC2 instance) and a data-store (and RDS i...

NOTE: All configurations were taken from a lab environment. Introduction Terraform workspaces allow you to use different Terraform state files in the same directory. This allows you do have dif...