ntfy: Push notifications without signups

Just discovered ntfy.sh, a very handy push notification service that does not require any signups. Very useful for:

  1. Setting up push notifications from a server to your phone to notify on any events.
  2. Long running LLM tasks such as Claude Code or OpenClaw.

Grateful that it's not only free, it does not require any accounts. Just install the app on your phone, subscribe to a topic, and start sending notifications to it!

Monitoring server load

With that, here's a handy script that I now run on servers that are running long processes, such as model training. Many monitoring scripts require you to slot them in before a process starts, so that they know when the job completes. This script however monitors for server load and notifies when it continuously drops below a predefined threshold, meaning you can start it anytime.

./watch-load.sh # Notify when server load is lower than 2.0 for 5 minutes

# or
./watch-load.sh 1.5 # Override the default threshold to 1.5

Here's the script, vibe-coded obviously: watch-load.sh

About the Author

I'm U-Zyn Chua, a software engineer who builds, researches and writes about technology, artificial intelligence and the open web.

Have thoughts on this post? I'd love to hear from you — drop me a mail at chua@uzyn.com or connect with me on LinkedIn.