Sysadmin Tools 🇺🇦

Warpgate

Fully transparent SSH, HTTPS, Kubernetes, MySQL and Postgres bastion/PAM that doesn't need additional client-side software.

https://github.com/warp-tech/warpgate #wireguard #ssh #security #firewall #vpn

Nanotdb

Single-binary observability, time-series database, and built-in dashboard for Raspberry Pi, edge devices, and local metrics.

https://github.com/aymanhs/nanotdb #timeseries #db #monitoring #observability

VictoriaTraces: Recording Rules, Metrics, and Alerts from Trace Spans https://rtfm.co.ua/en/victoriatraces-recording-rules-metrics-and-alerts-from-trace-spans #tracing #observability #victoriatraces #alerts #monitoring #vmalert

We replaced Redis with MySQL for inventory reservations—and it scaled https://shopify.engineering/scaling-inventory-reservations #mysql #redis # shopify

VictoriaTraces: Tracing, Observability та OpenTelemetry https://rtfm.co.ua/draft-opentelemetry-an-overview-observability-ta-tracing-z-victoriatraces/ #Grafana #Kubernetes #monitoring #observability #OpenTelemetry #VictoriaLogs #VictoriaMetrics #VictoriaTraces

Log Aggregation With VictoriaLogs, SystemD, and FluentBit https://blog.devenphillips.dev/posts/log-aggregation-using-victoria.html #victorialogs #traefik #observability #perses #fluentbit #logs

OpenTelemetry: OTel Collectors in Kubernetes and VictoriaMetrics Stack integration https://rtfm.co.ua/en/opentelemetry-otel-collectors-in-kubernetes-and-victoriametrics-stack-integration #opentelemetry #otel #k8s #kubernetes #victoriametrics #observability

Lies, damned lies, and Elastic's benchmarks https://www.gouthamve.dev/lies-damned-lies-and-elastics-benchmarks #elasticsearch #clickhouse #prometheus #benchmarks

Linux 7.0.6 Released To Finish Mitigating the Dirty Frag Vulnerability https://www.phoronix.com/news/Linux-7.0.6-Released

30x faster than Prometheus: How we rebuilt Elasticsearch as a leading columnar metrics datastore https://www.elastic.co/search-labs/blog/elasticsearch-columnar-metrics-engine-30x-faster-prometheus #elasticsearch #clickhouse #mimir #prometheus #tsdb

FreeBSD: Jails Networking and Container Management with Bastille https://rtfm.co.ua/en/freebsd-jails-networking-and-container-management-with-bastille #freebsd #jails #containers #network

VictoriaMetrics: From Monitoring to Observability https://horovits.medium.com/victoriametrics-from-monitoring-to-observability-1069cec7892e #monitoring #observability #victoriametrics #opentelwmetry

Firnflow

The cost efficiency of S3 with the speed of local RAM. A multi-tenant vector and full-text search engine featuring a tiered RAM → NVMe → S3 architecture for microsecond latency on top of object storage

https://github.com/gordonmurray/firnflow #rust #s3 #fulltextsearch

https://copy.fail

Most Linux LPEs need a race window or a kernel-specific offset. Copy Fail is a straight-line logic flaw — it needs neither. The same 732-byte Python script roots every Linux distribution shipped since 2017.

#linux #rce #kernel

PREEMPT_NONE Is Dead; Your Postgres Probably Doesn’t Care https://thebuild.com/blog/2026/04/23/preempt_none-is-dead-your-postgres-probably-doesnt-care #linux #postgres #benchmark

How will AI change operating systems? Part 1: Ubuntu and Linux https://newsletter.pragmaticengineer.com/p/ubuntu-and-ai #ubuntu #linux #ai

Lynxdb A lightweight schema-on-read analytics in a single binary https://github.com/lynxbase/lynxdb

From Milliseconds to 26 Nanoseconds: How a $20 eBay SFP Module Beat My Entire NTP Setup https://austinsnerdythings.com/2026/04/26/ptp-osa5401-26-nanoseconds-raspberry-pi #raspberry #sfp #ntp #linux

outpost

Open Source Outbound Webhooks and Event Destinations Infrastructure

https://github.com/hookdeck/outpost #webhooks #aws #sqs #eventstream #pubsub