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Sys-Admin Up
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InfoSec, Hacks, Perks, Tools, IT/IS Courses, CVE… Contains part of the news that was not included in the Sys-Admin & InfoSec Channel (@sysadm_in_channel)
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Trace in Go & How to works Garbage collector

Links

Jaeger: open source, distributed tracing platform:
- https://www.jaegertracing.io/

OpenTelemetry-Go is the Go implementation of OpenTelemetry. It provides a set of APIs to directly measure performance and behavior of your software and send this data to observability platforms:
- https://github.com/open-telemetry/opentelemetry-go

Articles

Introduction to Tracing in Go with Jaeger & OpenTelemetry:
- https://medium.com/@nairouasalaton/introduction-to-tracing-in-go-with-jaeger-opentelemetry-71955c2afa39

A language-specific implementation of OpenTelemetry in Go:
- https://opentelemetry.io/docs/languages/go/

Exploring the Inner Workings of Garbage Collection in Golang : Tricolor Mark and Sweep:
- https://medium.com/@souravchoudhary0306/exploring-the-inner-workings-of-garbage-collection-in-golang-tricolor-mark-and-sweep-e10eae164a12

Memory Optimization and Garbage Collector Management in Go:
- https://betterprogramming.pub/memory-optimization-and-garbage-collector-management-in-go-71da4612a960

Docker images:

- https://hub.docker.com/r/jaegertracing/all-in-one
- https://hub.docker.com/r/jaegertracing/opentelemetry-all-in-one/
Cyber Essentials- Requirements for IT Infrastructure v3.2
546.5 KB
Cyber Essentials: Requirements
for IT Infrastructure v3.2

from NCSC
Diving into Golang: How does it effectively wrap the functionality of epoll?

epoll - I/O event notification facility, epoll API can be used either as an edge-triggered or a level-triggered interface and scales well to large numbers of watched file denoscriptors...

example of how to use epoll in go lang network programming:

https://medium.com/@chenymj23/diving-into-golang-how-does-it-effectively-wrap-the-functionality-of-epoll-26065f0654ba
Phishing vs Real - Red flags 🚩
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Samsung S24: Out of bounds write in APE Decoder

here is an out-of-bounds write in the Monkey's Audio (APE) decoder on the Samsung S24.

https://project-zero.issues.chromium.org/issues/368695689
Google Ad Promotes Fake Homebrew Malware

https://youtu.be/Nlnuk8W2A0Y?si=59OnPxihw7L9APdp
Windows OLE Remote Code Execution Vulnerability

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21298