This isn’t selfhosted but you can use uptime robot. They can send regular http get requests or ping an IP or URL, the free tier can have like 10 monitors I think?
I receive an email when an host isn’t available, in 5 minutes usually.
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A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don’t control.
Rules:
Be civil: we’re here to support and learn from one another. Insults won’t be tolerated. Flame wars are frowned upon.
No spam posting.
Posts have to be centered around self-hosting. There are other communities for discussing hardware or home computing. If it’s not obvious why your post topic revolves around selfhosting, please include details to make it clear.
Don’t duplicate the full text of your blog or github here. Just post the link for folks to click.
Submission headline should match the article title (don’t cherry-pick information from the title to fit your agenda).
No trolling.
Resources:
selfh.st Newsletter and index of selfhosted software and apps
This isn’t selfhosted but you can use uptime robot. They can send regular http get requests or ping an IP or URL, the free tier can have like 10 monitors I think? I receive an email when an host isn’t available, in 5 minutes usually.