DevOps&SRE Library
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Библиотека статей по теме DevOps и SRE.

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inspektor-gadget

Inspektor Gadget is a collection of tools (or gadgets) to debug and inspect Kubernetes resources and applications. It manages the packaging, deployment and execution of eBPF programs in a Kubernetes cluster, including many based on BCC tools, as well as some developed specifically for use in Inspektor Gadget. It automatically maps low-level kernel primitives to high-level Kubernetes resources, making it easier and quicker to find the relevant information.

https://github.com/inspektor-gadget/inspektor-gadget
oci-seccomp-bpf-hook

This project provides an OCI hook to generate seccomp profiles by tracing the syscalls made by the container. The generated profile would allow all the syscalls made and deny every other syscall.

https://github.com/containers/oci-seccomp-bpf-hook
Welcome to the Howie guide to post‑incident investigations!

https://www.jeli.io/howie/welcome
kubernetes-reflector

Reflector is a Kubernetes addon designed to monitor changes to resources (secrets and configmaps) and reflect changes to mirror resources in the same or other namespaces.

https://github.com/emberstack/kubernetes-reflector
The four Golden Signals of Kubernetes monitoring

https://sysdig.com/blog/golden-signals-kubernetes
mariadb-operator

Run and operate MariaDB in a cloud native way. Declaratively manage your MariaDB using Kubernetes CRDs rather than imperative commands.

https://github.com/mmontes11/mariadb-operator
Redis Monitoring: What Metrics Should You Measure to Ensure Performance

https://sematext.com/blog/redis-metrics
viddy

A modern watch command.

https://github.com/sachaos/viddy
Tools for Managing Terraform Drift

What are some of the Terraform tools to manage drift? This blog compares popular tools and discusses what to look for when choosing a tool.

https://blog.tinystacks.com/tools-for-managing-terraform-drift
gokey

gokey is a password manager, which does not require a password vault. Instead of storing your passwords in a vault it derives your password on the fly from your master password and supplied realm string (for example, resource URL).

https://github.com/cloudflare/gokey
Time is an illusion, Unix time doubly so...

As you well know, on Unix systems we measure time as the number of seconds since "the epoch": 00:00:00 UTC on January 1st, 1970. This has made a lot of people very angry and been widely regarded as a bad move.

https://www.netmeister.org/blog/epoch.html
gobackup

GoBackup is a fullstack backup tool design for application servers, to backup your databases, files to cloud storages (Local disk, FTP, SCP, S3, GCS, Aliyun OSS ...).

https://github.com/gobackup/gobackup
HAProxy Logging Configuration Explained: How to Enable and View Log Files

In this article, I’ll focus mainly on the logging aspect of HAProxy—how to enable different types of logs and how to work with them to make more informed decisions.

https://sematext.com/blog/haproxy-logs
easegress

A Cloud Native traffic orchestration system

https://github.com/megaease/easegress
For the love of god, stop using CPU limits on Kubernetes (updated)

Many people think you need CPU limits on Kubernetes but this isn't true. In most cases, Kubernetes CPU limits do more harm than help.

https://home.robusta.dev/blog/stop-using-cpu-limits
FerretDB

FerretDB (previously MangoDB) was founded to become the de-facto open-source substitute to MongoDB. FerretDB is an open-source proxy, converting the MongoDB 6.0+ wire protocol queries to SQL - using PostgreSQL as a database engine.

https://github.com/FerretDB/FerretDB
shifu

Shifu is a Kubernetes-native IoT development framework that greatly improves the efficiency, quality and reusability of IoT application development.

https://github.com/Edgenesis/shifu
How to Monitor MongoDB: Key Metrics to Measure for High Performance

https://sematext.com/blog/mongodb-monitoring