New guide released: Namespaces and nsenter
It starts from a simple challenge, but every time you solve it, a new constraint is added, and you have to figure out another way to crack it.
The challenge is this: List all listening TCP ports (IPv4) inside a container.
It includes constraints such as using distroless containers and Docker rootless mode.
Things you should never say or do on an incident bridge
Daily series [5/10]
5. “Just fix it ASAP.”
Vague urgency creates chaos.
Instead you can say: "Focus on rollback. Team B, watch the logs. Let's prioritize service X"
Хроники Облачного княжества: как я приручал монолит‑дракона: Орден SLO и игла Кощея
Часть 3. Самая опасная магия в IT — это магия целей. Потому что цель легко обещает, а потом требует процентами отчёта. Есть особый вид страха, который появляется у инженера, когда два календаря совпадают.
https://habr.com/ru/articles/1024126/
#инциденты #продакшн #DevOps #SRE #мониторинг #микросервисы #база_данных #отказоустойчивость #постмортем
Postmortems are detective stories for nerds 🕵️
Good incident reviews follow clues, not culprits.
Blame ends learning. Curiosity improves systems.
#SRE #Postmortem #IncidentResponse
https://webdad.eu/2026/04/16/%f0%9f%95%b5%ef%b8%8f-postmortems-are-detective-stories-for-nerds/
Learn how blameless postmortems work using a detective story metaphor. This simple SRE guide explains why incident postmortems should focus on causes, timelines, and system improvements instead of blame.
Things you should never say or do on an incident bridge
Daily series [4/10]
4. “Who caused this?”
Blame-seeking during a live incident is toxic.
Replace it with: "“Let’s focus on mitigation. We’ll do a root cause analysis afterward.”
Python Trending (@pythontrending)
오픈소스 기반의 AI SRE 에이전트를 직접 만들 수 있는 도구킷 ‘opensre’가 소개되었다. AI 시대를 위한 SRE 자동화에 초점을 맞춘 개발자용 툴로 보인다.
🐧 🐝 Coroot was named one of the Top Kubernetes AI Tools in 2026! Check out the guide from Metoro to explore exciting new resources to help manage your #k8 clusters: https://metoro.io/blog/best-kubernetes-ai-tools
#AI #Kubernetes #observability #DevOps #Linux #SRE #tech #opensource #monitoring #sysadmin #linux
Small bugfix release for Exosphere, my simple, agentless CLI and TUI driven patch reporting application for remote UNIX systems.
Resolves some issues surrounding dependencies in the discover process, improvement to the apt and dnf providers, and a documentation visual refresh.
https://github.com/mrdaemon/exosphere/releases/tag/v2.4.2
#exosphere #linux #unix #openbsd #freebsd #homelab #SRE #python
The difference between DevOps maturity levels:
Level 1: deployments are scary
Level 2: deployments are boring
Level 3: rollbacks are boring
Learn by Fixing
Adrian Talpa 🚨
Habr
𝚓𝚓@localhost:$~
DSigmund
sayzard
Coroot
mr_daemon
Taylor Turner