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DevOps & SRE notes
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Helpful articles and tools for DevOps&SRE WhatsApp: https://whatsapp.com/channel/0029Vb79nmmHVvTUnc4tfp2F For paid consultation (RU/EN), contact: @tutunak All ways to support https://telegra.ph/How-support-the-channel-02-19
Ko'proq ko'rsatish📈 Telegram kanali DevOps & SRE notes analitikasi
DevOps & SRE notes (@devops_sre_notes) Ingliz til segmentidagi kanali faol ishtirokchi. Hozirda hamjamiyat 12 684 obunachidan iborat bo'lib, Texnologiyalar & Aralashmalar toifasida 10 040-o'rinni va AQSH mintaqasida 2 960-o'rinni egallagan.
📊 Auditoriya ko‘rsatkichlari va dinamika
невідомо sanasidan buyon loyiha tez o‘sib, 12 684 obunachiga ega bo‘ldi.
15 Iyun, 2026 dagi oxirgi ma’lumotlarga ko‘ra kanal barqaror faollikka ega. Oxirgi 30 kunda obunachilar soni 232 ga, so‘nggi 24 soatda esa 5 ga o‘zgardi va umumiy qamrov yuqori darajada qolmoqda.
- Tasdiqlash holati: Tasdiqlanmagan
- Jalb etish (ER): Auditoriya o‘rtacha 15.80% darajada jalb etiladi. Nashrdan keyingi dastlabki 24 soatda kontent odatda umumiy obunachilar sonining 4.81% ini tashkil etuvchi reaksiyalarni to‘playdi.
- Post qamrovi: Har bir post o‘rtacha 2 004 marta ko‘riladi; birinchi sutkada odatda 610 ta ko‘rish yig‘iladi.
- Reaksiyalar va o‘zaro ta’sir: Auditoriya faol: har bir postga o‘rtacha 5 ta reaksiya keladi.
- Tematik yo‘nalishlar: Kontent kubernete, cluster, author, engineering, monitoring kabi asosiy mavzularga jamlangan.
📝 Tavsif va kontent siyosati
Muallif resursni shaxsiy fikrni ifoda etish maydoni sifatida ta’riflaydi:
“Helpful articles and tools for DevOps&SRE
WhatsApp: https://whatsapp.com/channel/0029Vb79nmmHVvTUnc4tfp2F
For paid consultation (RU/EN), contact: @tutunak
All ways to support https://telegra.ph/How-support-the-channel-02-19”
Yuqori yangilanish chastotasi (oxirgi ma’lumot 16 Iyun, 2026 da olingan) sababli kanal doimo dolzarb va katta qamrovli bo‘lib qoladi. Analitika auditoriya kontent bilan faol hamkorlik qilishini, uni Texnologiyalar & Aralashmalar toifasidagi muhim ta’sir nuqtasiga aylantirishini ko‘rsatadi.
12 684
Obunachilar
+524 soatlar
+497 kunlar
+23230 kunlar
Postlar arxiv
12 684
Automatically cordon and drain Kubernetes nodes based on node conditions
https://github.com/planetlabs/draino
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Excellent article on how services work in k8s https://dev.to/danielepolencic/learn-why-you-cant-ping-a-kubernetes-service-3nlm
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Steampipe is an open-source tool that lets you instantly query cloud services like AWS, Azure and GCP with SQL. With 100+ plugins and built-in support for creating dashboards, Steampipe makes it trivial to connect live cloud configuration data with internal or external data sets and create security or compliance dashboards. We've enjoyed working with Steampipe and created several such dashboards with AWS cloud configurations.
https://github.com/turbot/steampipe
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Gitleaks is an open-source SAST (static application security testing) command line tool for detecting and preventing hardcoded secrets like passwords, API keys and tokens in Git repositories. It can be used as a Git pre-commit hook or in the CI/CD pipeline. Our teams found Gitleaks to be more sensitive than some of the other secret-scanning tools. Gitleaks utilizes regular expressions and entropy string coding to detect secrets. In our experience, the flexibility to supply custom regex along with entropy coding allowed the teams to better categorize secrets based on their needs. For example, instead of categorizing all API keys as "generic-api-key," it allowed categorization as specific "cloud provider key."
https://github.com/gitleaks/gitleaks
12 684
Enterprises now often use event streaming as the source of truth and as an information-sharing mechanism in microservices architectures. This creates the need to standardize event types and share those standards across the enterprise. Event schema registries are commonly deployed but the existing offerings tend to be specialized to a single broker such as Apache Kafka or Azure Event Hub. They also fall short of conveying rich documentation about event types that goes beyond simple schema definitions.
EventCatalog is an open-source project that provides something we often see businesses building for themselves: a widely accessible repository of documentation for events and schemas. These describe the role the events play in the business, where they belong in a business domain model and which services subscribe and publish them. If you're looking for a way to publish event documentation to your organization, this tool might save you the trouble of building it yourself.
https://github.com/boyney123/eventcatalog
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Within any organization, API producers and consumers need to stay in sync about the schemas that will be used for communication among them. Especially as the number of APIs and related producers and consumers grow in the organization, what may start with simply passing around schemas among teams will start to hit scaling challenges
An API/Schema registry - stores APIs and Schemas.
https://github.com/apicurio/apicurio-registry
12 684
Good guide for begginers about IAM https://dev.to/aws-builders/a-beginners-guide-to-aws-identity-and-access-management-iam-4j5c
12 684
Interesting article describing how dns query works in k8s https://www.nslookup.io/learning/the-life-of-a-dns-query-in-kubernetes/
12 684
modern full-featured open source secure mail server for low-maintenance self-hosted email
https://github.com/mjl-/mox
12 684
Kubernetes v1.25 has introduced the Container Checkpointing API as an alpha feature, allowing users to backup and restore containers without stopping them. This feature is primarily aimed at forensic analysis but can also be used for general backup and restore purposes. To set up the feature, a Kubernetes cluster (v1.25+) and container runtime supporting container checkpointing are required. Currently, only CRI-O supports checkpointing, with containerd support expected soon.
The checkpointing API is exposed on the kubelet of each cluster node. To create a checkpoint, you need to have a running Pod and make a request to the kubelet directly. Once the checkpoint has been created, you can analyze the contents of the archive or restore the container from the archive by creating an image from the checkpoint and deploying a new Pod using that image.
While the feature is usable, it lacks some essential functionality, such as native restore capabilities and support from all major container runtimes. Users are advised to be aware of its limitations before enabling it in production or development environments.
https://martinheinz.dev/blog/85
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An extremely fast Python linter, written in Rust.
https://github.com/charliermarsh/ruff
12 684
Interesting article about experience with linkerd https://tech.loveholidays.com/linkerd-at-loveholidays-our-journey-to-a-production-service-mesh-9a6cd478d395
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In this blog post, Ahmet Alp Balkan explains the peculiar and undocumented behavior of file changes in Kubernetes Secret and ConfigMap volumes when using the inotify(7) syscall. He highlights that typical file watch events like IN_MODIFY or IN_CLOSE_WRITE don't occur for files in these volumes. Instead, only the IN_DELETE_SELF event is received, requiring code to handle re-establishing the monitor each time a file is updated.
Balkan discusses the resilient file reloads from disk and the AtomicWriter algorithm used by kubelet for atomic and consistent updates to Secret/ConfigMap volumes. He explains the file structure in a mounted Secret/ConfigMap volume and the reason behind receiving only the IN_DELETE_SELF event.
To handle this behavior, Balkan suggests mounting ConfigMaps/Secrets as directories, starting inotify watches on individual files, avoiding the use of IN_DONT_FOLLOW option, handling inotify deletion events, re-establishing inotify watches when receiving deletion events, and testing the file reloading logic on Kubernetes. He also mentions opening an issue to document this behavior in the official Kubernetes documentation.
https://ahmet.im/blog/kubernetes-inotify/index.html
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A web-based UI for deploying and managing applications in Kubernetes clusters
https://github.com/vmware-tanzu/kubeapps
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A new alternative to DockerDesktop was released by RedHat https://developers.redhat.com/articles/2023/05/23/podman-desktop-now-generally-available#local_kubernetes_with_kind
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Spin up ready-to-code, disposable dev environments on your own servers. Self-hosted alternative to Gitpod and Github Codespaces.
https://github.com/hocus-dev/hocus
