SLIs, SLOs, and Error Budgets explained with pizza 🍕

Reliability isn’t about perfection.
It’s about delivering most pizzas on time — and having room to improve.

#SRE #DevOps #ReliabilityEngineering

https://webdad.eu/2026/03/19/%f0%9f%8d%95-slis-slos-and-error-budgets-explained-with-pizza-delivery/

🍕 SLIs, SLOs, and Error Budgets Explained with Pizza Delivery - WebDaD - Web Development and Design

Confused about SLIs, SLOs, and error budgets? This simple pizza delivery metaphor explains reliability engineering concepts in an easy and memorable way for developers, SREs, and DevOps teams.

WebDaD - Web Development and Design

🚀 RelySAM v1.1.0 released! Now train all 10 AI models with your own custom data — via Web UI, CLI, scheduler, or 11 new API endpoints. Auto quality checks .🔗 codeberg.org/0ai/relysam/re…

#ReliabilityEngineering #AI #MachineLearning #FreeBSD #OpenSource

Spacecraft controls don’t get a second chance — every input must be reliable, clean, and redundant. 🚀🔘
know more:https://zurl.co/zmWFi
#Smidmart #SpaceTech #AerospaceComponents #SealedSwitches #LowOutgassing #Spacecraft #ReliabilityEngineering #Redundancy #Avionics

Global availability incident: Facebook.
Meta confirmed service disruptions impacting account access, alongside high disruptions reported in Ad Manager and business APIs.
Operational characteristics:
• Sudden spike in user reports (~4:15 PM ET)
• Global impact footprint
• No immediate root cause transparency
• Service restoration within ~2 hours
Availability is a security pillar — and outages expose:
- Centralization risk
- Cascading dependency exposure
- Business continuity gaps
- API reliance vulnerabilities

For security and reliability engineers:
Are social platforms integrated into your risk register and DR modeling?

Source: https://www.bleepingcomputer.com/news/technology/facebook-hit-with-worldwide-outage-stating-accounts-are-unavailable/

Engage below.
Follow @technadu for infrastructure resilience, cybersecurity, and outage intelligence.
Repost to inform your network.

#Infosec #ServiceAvailability #CloudRisk #Meta #FacebookOutage #BusinessContinuity #DigitalInfrastructure #ReliabilityEngineering #CyberResilience #PlatformRisk #ITOperations

🚀 RelySAM v1.0.2 Released – Reliability Engineering + AI Gets Even Better on FreeBSD 🚀

#ReliabilityEngineering #AIinEngineering #FreeBSD #OpenSource #FMEA #HRA

Feedback, stars, or contributions very welcome — especially from reliability engineers, or FreeBSD users

Fundamentals of Timeouts

Timeout fundamentals for software: why timeouts exist, connection vs read vs write, choosing values, and avoiding cascading failures in distributed systems.

Jeff Bailey

🚀 RelySAM v1.0.0 is here!
Open-source reliability engineering + AI/ML power
50+ tools • 10 AI models • 9 HRA methods • Weibull/FMEA/RCA • fully offline

FreeBSD-native

⚙️ Try it now:
codeberg.org/0ai/relysam

#ReliabilityEngineering #AI #FreeBSD #OpenSource

The 2024 CrowdStrike outage caused a worldwide Windows Blue Screen crash, impacting airlines, banks, and enterprises.
This deep dive explains how DevOps & SRE teams mitigated impact, recovered systems, and prevented total failure.
🔗 https://shorturl.at/VLqxz

#CrowdStrikeOutage #DevOps #SRE #IncidentManagement #CyberResilience #CloudOps #PostMortem #ReliabilityEngineering #aws

2024 CrowdStrike Outage: How DevOps Engineers Saved Businesses from the Blue Screen Crash

In July 2024, a faulty CrowdStrike update triggered the world’s largest Blue Screen outage. Learn how DevOps engineers detected, migrated…

Medium

As I always say, when your teams tell you it’s “just a routine #upgrade”, be extra wary.

In this case, a “routine upgrade” disabled emergency calling and contributed to two *deaths*.

#networks #qa #reliability #reliabilityengineering #process

https://www.theregister.com/2025/12/19/optus_emergency_outages_cause_report

Ten mistakes marred firewall upgrade at Australian telco, contributing to two deaths

: Optus gave bad instructions, staff didn’t escalate their concerns

The Register

Most reliability incidents don’t start with a failure.
They start with “we’ll fix it later.”

A brittle deploy, a noisy alert, a manual process that “rarely runs.”
Months pass, context fades, the system grows.

Then something small breaks — and the deferred work becomes the incident.

Reliability doesn’t fail all at once.
It erodes quietly, then shows up loudly.

#ReliabilityEngineering #TechDebt