Sysadmin Tools 🇺🇦

I've operated petabyte-scale ClickHouse clusters for 5 years

I've been operating large ClickHouse clusters for years. Here's what I've learned about architecture, storage, upgrades, config, testing, costs, and ingestion.

https://www.tinybird.co/blog-posts/what-i-learned-operating-clickhouse #clickhouse #s3 #zookeeper

The Infra to handle 10M Requests in 10 Minutes for $0.0116 https://tonywang.io/blog/infra-10m-requests-10-minutes-0.0116 #aws #hetzner #rackspace #cloudflare

Home infra - beyond k8s https://vrutkovs.eu/posts/home-infra/ #k8s #kubernetes #openshift #monitoring #grafana #ansible #homeassistant

Windows 11 is closing a loophole that let you skip making a Microsoft account https://blogs.windows.com/windows-insider/2025/03/28/announcing-windows-11-insider-preview-build-26200-5516-dev-channel/ But you always can switch to one of these Linux OS's https://distrowatch.com #linux #windows #windows11

Landrum

Run any Linux process in a secure, unprivileged sandbox using Landlock. Think firejail, but lightweight, user-friendly, and baked into the kernel.

https://github.com/Zouuup/landrun #linux #security

AWS gives a chance to complete some certifications for free, but with few preconditions Covered certs: - Foundational: Cloud Practitioner, AI Practitioner - Associate: Solutions Architect, SysOps Administrator, Developer, Data Engineer, Machine Learning Engineer Note, that you need to prepare and pass exam(s) before Aug 2025. #aws #certification

VictoriaMetrics: Long-Term Storage of Home Assistant Data https://helgeklein.com/blog/victoriametrics-long-term-storage-of-home-assistant-data #victoriametrics #ha #homeassistant #iot #monitoring

Many Kubernetes users liked Lens (or even still do). After it became not Open Source and Lens ID was introduced, many switched to OpenLens. Unfortunately, that fork did not last long and hasn’t issued any releases since July 2023. However, it turned out to be another fork, which is currently active: Freelens. This project started around January of this year, and released its v1.0.0 in February and further v1.1.0 just five days ago. Today, Freelens: - is fully compatible with the latest Kubernetes version (1.32); - comes with kubectl v1.32.3 and Helm v3.17.2; - is based on Electron 34.3.3 with Node 20.18.3 and Chrome 132.0.6834.210; - requires GNU C Library 2.34+ for Linux (i.e. Debian 12, Ubuntu 22.04, Fedora 35, openSUSE Leap 15.4), macOS 11+ or Windows 10+ to run. Language: TypeScript | License: MIT | 607 ⭐️ ▶️ GitHub repo #news #tools #gui

The Pain That Is Github Actions https://www.feldera.com/blog/the-pain-that-is-github-actions #git #github #cicd

🚀 This year's first VictoriaMetrics Virtual Meet Up will take place this Thursday! 🚀 📆 March 20th 2025 🕔 5pm GMT | 6pm CET | 10am PDT 🗺 VictoriaMetrics roadmap Update 👏 Community Story by Natan Yellin from robusta.dev * Using AI + VictoriaMetrics to Answer Developer Questions 👨‍🏫 Product Updates: ☁️ VictoriaMetrics Cloud Update ✅ VictoriaLogs roadmap Update ✌️ Community News ❓ AMA Join us for exciting updates & community stories! https://youtube.com/live/33z8e6ZEeWk

Versus incident

An open-source incident management system with multi-channel alerting capabilities

https://github.com/VersusControl/versus-incident #alerts #monitoring #sre #oncall

Why VictoriaLogs is a better alternative to Grafana Loki? https://itnext.io/why-victorialogs-is-a-better-alternative-to-grafana-loki-7e941567c4d5 #logs #loki #victorialogs

docker-host

A docker sidecar container to forward all traffic to local docker host or any other host

https://github.com/qoomon/docker-host #docker #network

HowTo: Matrix Synapse Server on FreeBSD with SSO via Microsoft Azure AD by OIDC https://gyptazy.com/howto-matrix-synapse-server-on-freebsd-with-sso-via-microsoft-azure-ad-by-oidc #freebsd #matrix #azure #sso #microsoft

Warewulf

Warewulf is a stateless and diskless container operating system provisioning system for large clusters of bare metal and/or virtual systems

https://github.com/warewulf/warewulf #hpc #containers #cluster

tigerbeetle

The financial transactions database designed for mission critical safety and performance

https://github.com/tigerbeetle/tigerbeetle #databases #distributed #zig

On How We Moved to Kubernetes https://radekmie.dev/blog/on-how-we-moved-to-kubernetes #aws #eks #k8s #kubernetes

How Core Git Developers Configure Git https://blog.gitbutler.com/how-git-core-devs-configure-git #git

NUT on my Pi, so my servers don't die https://www.jeffgeerling.com/blog/2025/nut-on-my-pi-so-my-servers-dont-die #linux #raspberry

Три роки спротиву. Три роки вдячності. Три роки абсолютного героїзму українців. Пишаюся Україною! Дякую всім, хто захищає її та допомагає. Всім, хто працює на Україну. І вічна памʼять кожному, хто віддав своє життя заради нашої держави та людей. 🇺🇦🇺🇦🇺🇦 #SupportUkraine