Sysadmins for sysadmins

Rather simple backup of PostgreSQL database to remote Borg repository in Kubernetes (Example using Mastodon instance)

cross-posted from: https://lemmy.world/post/182705

Uptrace is an OpenTelemetry APM tool that supports distributed tracing, metrics, and logs. You can use it to monitor applications and set up automatic alerts to receive notifications via email, Slack, Telegram, and more.

In this release, we improved spans filtering, metrics dashboards, added AWS CloudWatch integration, restored an ability to use Uptrace as Grafana datasource, and more.

#Coimbra, #Portugal September 14-17, 2023

HA is always handy, when it is working :)

Multi-datacenter deployments are not easy, here are some insights from Wikipedia team. That Wikipedia traffic is mostly reads (as opposed to write heavy system) is also helping.

Seems like useful tooling

Got me thinking about monitoring alerts

Nice intro into strace and similar tools

Looks interesting

assume - ass u me

Automatically setup a VPN on your own virtual server

Seems like sound principles and suggestions

The single Postgres setting that almost took down our database

About Use any linux distribution inside your terminal. Enable both backward and forward compatibility with software and freedom to use whatever distribution you’re more comfortable with. Mirror available at:

About tradeoffs

By Julia Evans. Nice walkthrough on learning and troubleshooting, using DNS as example.

Even if you are not using AWS - there is a ton of info to learn from.

Excellent article on http load balancing by @samwho@hachyderm.io

Some food for thinking

Something to think about

Good article on understanding caching

Interesting observations on how OpenAI uses Kubernetes