Sysadmin Tools 🇺🇦 – Telegram

Sysadmin Tools 🇺🇦

@sysadmin_tools

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Sysadmin/DevOps tools, news and other interesting things from modern IT world.
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Sysadmin Tools 🇺🇦

3.88K subscribers

Sysadmin Tools 🇺🇦

#redhat что-то немножк упрлся, к.м.к.

https://opennet.ru/54382/

upd: интересно, завезут своё очередное уг или что-то типа https://github.com/RustScan/RustScan, модно-стильно-молодежно 😅
Вы как думаете?

#fedora #nmap

Лицензия сканера безопасности NMAP признана несовместимой с Fedora

Разработчики проекта Fedora проанализировали лицензию NPSL, на которую недавно перешёл сканер сетевой безопасности Nmap, и пришли к выводу, что она не соответствует требованиям к лицензиям на код, допустимым для использования в дистрибутиве. Таким образом…

1.48K viewsedited 08:00

Sysadmin Tools 🇺🇦

Writing a Kubernetes CRD Controller in Rust

https://technosophos.com/2019/08/07/writing-a-kubernetes-controller-in-rust.html

#rust #crd

TechnoSophos: Writing a Kubernetes CRD Controller in Rust

The Technology Blog of author and software developer Matt Butcher.

1.4K views02:18

Sysadmin Tools 🇺🇦

A how to for setting up Kubernetes to use AWS EC2 spot instances to reduce cost and maintain a zero-downtime cluster as instances come and go.

https://medium.com/riskified-technology/run-kubernetes-on-aws-ec2-spot-instances-with-zero-downtime-f7327a95dea

#k8s #kubernetes #aws

Run Kubernetes on AWS EC2 Spot Instances With Zero Downtime

A Complete Guide of running all your k8s environments with Spot Instances

3.18K views18:25

Sysadmin Tools 🇺🇦

Building On-Call Culture at GitHub

https://github.blog/2021-01-06-building-on-call-culture-at-github/

#github

2.46K views05:10

Sysadmin Tools 🇺🇦

Человек взял и прикрутил #flamegraph к Hacker News

https://trungdq88.github.io/hn-big-threads/index.html

1.48K views07:47

Sysadmin Tools 🇺🇦

Sandstorm Kubernetes Client - Convenience tools to interact with Kubernetes

#k8s #kubernetes #tool

GitHub - sandstorm/sku: Sandstorm Kubernetes Client - Convenience tools to interact with Kubernetes

Sandstorm Kubernetes Client - Convenience tools to interact with Kubernetes - GitHub - sandstorm/sku: Sandstorm Kubernetes Client - Convenience tools to interact with Kubernetes

1.43K views08:11

Sysadmin Tools 🇺🇦

sreCon20 Americas Playlist

https://www.youtube.com/watch?v=2C2F5USR6N4&list=PLbRoZ5Rrl5lfLXUjFjS0mP1XzNzNZMhYN

SREcon20 Americas - The Secret Lives of SREs - Controlling the Costs of Coordination across Remote

The Secret Lives of SREs - Controlling the Costs of Coordination across Remote Teams

Laura Maguire, PhD

If you ask a group of engineers how they resolved a particularly difficult outage they typically talk about the dashboards that got pulled up, the logs…

2.65K viewsedited 12:32

Sysadmin Tools 🇺🇦

Ну всё, теперь то заживём 😅

https://aws.amazon.com/about-aws/whats-new/2021/01/amazon-ec2-api-supports-internet-protocol-version-6/

#aws #ec2 #ipv6

Amazon EC2 API now supports Internet Protocol Version 6 (IPv6)

1.41K views08:33

Sysadmin Tools 🇺🇦

Cloud Native Model Driven Telemetry Stack on OpenShift

https://cer6erus.medium.com/cloud-native-model-driven-telemetry-stack-on-openshift-80712621f5bc

#victoriametrics #vm #kubernetes #k8s #openshift #monitoring #kafka

Cloud Native Model Driven Telemetry Stack on OpenShift

How to measure a network?

1.41K views10:10

Sysadmin Tools 🇺🇦

For Postgres and MySQL with in-memory, low-concurrency sysbench on a small server: * Old MySQL (5.6) is faster than old Postgres (11.10) * New MySQL (8.0.21) is slower than new Postgres (13.1) * New CPU overhead is the problem

https://smalldatum.blogspot.com/2021/01/sysbench-postgres-vs-mysql-and-impact.html

#mysql #postgresql #sql #database

Sysbench: Postgres vs MySQL and the impact of regressions

I compare Postgres and MySQL using an in-memory and low-concurrency workload via sysbench. This reuses the data from my previous posts ( her...

1.4K views18:00

Sysadmin Tools 🇺🇦

Build and publish container images to any cloud with Infrastructure as Code

https://www.pulumi.com/blog/build-publish-containers-iac/

#pulumi #iaac #python #go #typescript #js #aws #azure #gcp #docker

Build and publish container images to any cloud with Infrastructure as Code

Go from Dockerfile to a fully running containerized service on your cloud of choice using infrastructure as code.

1.43K viewsedited 18:19

Sysadmin Tools 🇺🇦

В Grafana cloud обновились тарифы и лимиты по ним + добавили вкусняшек.

Например Free Plan теперь включает:

10,000 series for Prometheus or Graphite metrics
50 GB of logs
14 day retention for metrics and logs
Access for up to 3 team members

+ Новый Pro Paid Plan

15,000 series for metrics with 13-month retention (previously 3,000)
100 GB of logs with 1-month retention
Reporting and PDF exports
Advanced authentication (SAML/OAuth/LDAP)
Data source permissions
Team collaboration with dashboard insights and team presence
Custom domains

Так же фичи, которые включены по-умолчанию для всех пользователей:
- Интеграция в один клик(много разных и дефолтных преднастроеных дашбордов
- Улучшенное оповещение: а именно единый интерфейс по управлению оповещениями по метрикам и логам
- Синтетический мониторинг
- Облачный агент Grafana (который выпустили позже чем vmagent)
- Бесплатный открытый бета-доступ к Tempo (решение от Grafana для трессировок)

#grafana #promtheus #victoriametrics #monitoring #tracing #tempo #loki

The new Grafana Cloud: the only composable observability stack for metrics, logs, and traces, now with free and paid plans to suit…

The new Grafana Cloud free and paid plans give you everything you need for monitoring: Prometheus and Graphite for metrics, Loki for logs, and Tempo for tracing, all integrated within Grafana.

1.96K viewsedited 07:16

Sysadmin Tools 🇺🇦

Juicefs - a distributed POSIX file system built on top of Redis and S3.

#redis #s3 #posix #hdfs #golang #filesystem

GitHub - juicedata/juicefs: JuiceFS is a distributed POSIX file system built on top of Redis and S3.

JuiceFS is a distributed POSIX file system built on top of Redis and S3. - juicedata/juicefs

2.65K views07:31

Sysadmin Tools 🇺🇦

😂😂😂

Самая большая проблема ClickHouse — в нем никто не шарит. Там много подводных камней, которые нигде не описаны. Хорошая технология с плохой документацией.

ИМХО продукту не так много лет, как mysql/postgres + open source, внутренняя дока то скорей всего в порядке. Но мало кто кричит, что #k8s говно и из говна и палок, вечно люди ловят факапы, дока есть, и что?

PS: REBRAIN этот никогда не вызывал у меня доверия

https://habr.com/ru/company/rebrainme/blog/537138/

#kubernetes #clickhouse #yandex

Когда-то я внедрял ClickHouse в стартапе, где даже алерты мониторили индийцы — это был Дикий Запад

Однажды я работал дата-инженером в стартапе. Он быстро рос и в какой-то момент решился на покупку одной крупной компании. Там было больше сотни сотрудников — оказалось, почти все из Индии. Пока наши...

1.43K views15:58

Sysadmin Tools 🇺🇦

MySQL Backup and Recovery Best Practices

https://www.percona.com/blog/2021/01/12/mysql-backup-and-recovery-best-practices

#mysql #percona #backup

Percona Database Performance Blog

MySQL Backup and Recovery Best Practices - Percona Database Performance Blog

Reviewing all the backup and restore best practices for MySQL, cornerstones of any application. There are some questions we need to ask ourselves to make sure we make the right choices.

2.93K viewsedited 20:02

Sysadmin Tools 🇺🇦

An unlikely database migration

https://tailscale.com/blog/an-unlikely-database-migration/

#json -> #etcd 😏

#mysql #database #tailscale

From JSON Files to etcd: A Tailscale Database Migration Story

1.37K views21:09

Sysadmin Tools 🇺🇦

Observability will not _replace_ monitoring, it will _augment_ monitoring.

https://twitter.com/el_bhs/status/1349406398388400128

#monitoring #observability

0/ I’m tired of hearing about observability replacing monitoring. It’s not going to, and that’s because it shouldn’t. Observability will not _replace_ monitoring, it will _augment_ monitoring. Here’s a thread about observability, and how monitoring can evolve…

1.38K views08:21

Sysadmin Tools 🇺🇦

Лайк, репост. 😏

1.3K views10:49

Sysadmin Tools 🇺🇦

Forwarded from Go Дайджест

А вот еще лучшая альтернатива от комрада @oleg_log

https://github.com/cristalhq/aconfig

GitHub - cristalhq/aconfig: Simple, useful and opinionated config loader.

Simple, useful and opinionated config loader. Contribute to cristalhq/aconfig development by creating an account on GitHub.

1.12K views10:49

Sysadmin Tools 🇺🇦

experimental p2p community chat platform

под капотом electron.js
Desktop app

#npm #p2p

1.37K views16:37

Sysadmin Tools 🇺🇦

metrics.lecoq.io

An image generator with 20+ metrics about your GitHub account such as activity, community, repositories, coding habits, website performances, music played, starred topics, etc. that you can put on your profile or elsewhere!

1.52K views16:41