What I learned this week 11-02-2024
What I learned this week⌗
Software⌗
arp -a The arp utility displays and modifies the Internet-to-Ethernet address translation tables used by the address resolution protocol. -a displays or deletes all of the current ARP entries.
I passed the AWS Certified Cloud Practiioner Exam this week. I studied for a few hours to make sure I was familiar with some of the more niche offerings and all the marketing jargon that will appear on the test. Overall it’s really just a lot of content, if you’ve used AWS for some time most of it is failry rudimentary.
Most useful things to study would be niche offerings (Wavelength, Lex, Rekognition, …), Networking (VPC, VPN, WAF, Shield, Route 53, Subnets, Regions, AZs, Local Zones, Outposts, Securiy Groups, NACLs, ELB …), and the shared responsibility model.
Business/Finance⌗
RH Election markets…
Saline Shortage This industry kind of baffles me so I spent some time reading about it. Basically Baxster ($BAX) produces the majority of Saline for the US. Saline in and of itself is not that complicated but producing it at scale while complying with many regulations seems to be very complicated. It seems as though its VERY low margin for these manufacturers. This stuff also takes up a lot of space… Low Margin + Product that takes up a lot of space and is heavy is usually a nasty combination especially when it comes to logistics. It also seems that becasue of the margins at play, it only becomes econmically viable to produce at a few specific locations. When those locations get hit with a massive hurrican it just knee-caps production leading to shortages as there is no room for redundancy in the supply chain. Seems like production is fairly inelastic and can’t be ramped up or down fast.
ALL that being said, it seems like hospitals are still charging outlandish amounts for Saline. This is getting into the messy world of health care costs and billing that I have no authority or knowledge to write about, but I thought it was interesting.
I can only imagine the complex pipeline all the way from manufacturing to administering this to a human… and the variety of incentives, regulations, and people inserted into this process along the way.