Posted in 2021
The Foolproof Scones
- 15 December 2021
These scones take max 30 mins to prep and cook and are very simple and enjoyable.
M5 Paper e-ink Calculator
- 27 November 2021
I added an M5 Paper to my collection of dev boards and decided to make a basic calculator to teach my son to count. Since he is only a few months old he mostly uses it as an expensive teething device.
Demystifying AWS IAM Policies: Unraveling De Morgan’s Laws and S3 Buckets Policy
- 12 September 2021
As of September 2021 You will now get error messages that detail the source of a IAM access block for the following policy types:
Trust on Cloud AWS S3 Threat Model
- 29 August 2021
Trust on Cloud have open sourced their AWS S3 threat model, this release is a great tool to make sense of the “shared responsibility model” and what “responsibility” means for AWS customers.
Monitoring VPN / Direct Connect Connectivity
- 18 July 2021
In an on premise network it is typical to do some type of topology discovery via the MIB-II SNMP tables of all your network gear and then use ICMP to ping each of the discovered routers or switches respective management interfaces to validate connectivity and contribute to intelligence when parts of the network go dark and speed up root cause analysis.
TLS/SSL Certificate Authority (CA) Trust store verification
- 31 January 2021
The CA trust store is how a TLS client establish trust with the servers offered certificates. Curl uses openssl and Python uses its own store (like Java). The store on my system is located here:
Running Amazon Linux 2 on prem on VMware
- 10 January 2021
There is no default ec2-user or root password set for the Amazon Linux 2 ova. You must use cloud-init via it’s nocloud datasource
Error: The maximum number of rules per security group has been reached
- 06 January 2021
How to deal with the error: “The maximum number of rules per security group has been reached.”