Weekly Digest – Week 41, 2020
Articles
UNIX Wildcards Gone Wild
In this blog post, the author presents some wildcard poisoning tricks.
https://www.defensecode.com/public/DefenseCode_Unix_WildCards_Gone_Wild.txt
Measuring the Memory Overhead of a Postgres Connection
This article takes a detailed look at the memory resources a PostgreSQL connection consumes.
https://blog.anarazel.de/2020/10/07/measuring-the-memory-overhead-of-a-postgres-connection/
Chrome Is Deploying HTTP/3 and IETF QUIC
https://blog.chromium.org/2020/10/chrome-is-deploying-http3-and-ietf-quic.html
Chrome is switching to IETF QUIC. For now, it supports both IETF QUIC and Google QUIC.
Unlocking eBPF Power
Interesting eBPF usage: Locking and suspending the laptop based on the Bluetooth signal strength of the phone.
https://devopsspiral.com/articles/linux/ebpf-unlock/
The Hitchhiker’s Guide to Compression
This guide gives a comprehensive introduction to compression, explaining how the different algorithms work.
https://go-compression.github.io
USB3: Why It’s a Bit Harder Than USB2
The author explains that clock-issues, interferences, encoding, and the lack of resources make working with USB3 harder than USB2.
https://lab.ktemkin.com/post/why-is-usb3-harder/
Releases and Projects
ESXi on Arm
ESXi running on Arm. Not GA or production-ready yet, but very interesting nevertheless.
https://flings.vmware.com/esxi-arm-edition
Python 3.9
Python 3.9 comes with a new parser, Dictionary Merge & Update Operators, New String Methods, and many improved modules.
https://docs.python.org/release/3.9.0/whatsnew/3.9.html
Rancher 2.5
This new version of Rancher brings improvements for single cluster deployments, better monitoring, full Lifecycle management of Amazon EKS Clusters.
https://rancher.com/products/rancher/2.5/
Nextcloud 20
Nextcloud turns 20, debuts Dashboard, unifies search and notifications, and brings new integration options for external tools like GitLab and Moodle.
:wq