What are my options for getting alerts on my android phone if services on my VPS becoming unresponsive?
My first thought is a simple app that periodically pings domains and gives a notification if any fail. Is there an open source app for that?
Or something else?
Uptime Kuma and a notification provider.
I use telegram because it has an easy way to set up bots.I run nagios and use pushover, over kill for what I monitor but it’s what I know
Ntfy can send/receive notifications to/from the phone. You can selfhost it or use a public instance. For the healthcheck app, consider Uptime Kuma as it has ntfy integration. But a simple cron script that monitors + cURLing ntfy when it fails could also be used.
Ntfy is a good lightweight option indeed.
Uptime Kuma and a VOIP subscription that lets you send webhooks.
Uptime Kuma has a number of notification options.
I just had to set one up because the Oracle free tier is hot garbage and needs resetting every day or two.
Same here. Run it on my VPS to test my outside reachability and inside to check against my VPS.
I use uptime Kuma with signal-cli for notifications - it’s been rock solid. I also have another uptime kuma instance that uses email as notification option to monitor my primary uptime kuma and the signal-cli.
+1 for Uptime Kuma, I use it with ntfy. If OP doesn’t want a self hosted solution, there’s UptimeRobot - essentially SAAS Uptime Kuma, but with a free tier.
This is what I use, though I run it on a local server that checks services that it runs (update breaks something, etc) and then also reaches out to the vps (and more) for status checks. Have it check services that are accessible by an access control rule, so the server is protected but you have updates on exactly what is having issues.
Cron job and termux-notify
just going to put this here https://github.com/awesome-selfhosted/awesome-selfhosted?tab=readme-ov-file#monitoring--status-pages
I recommend the free tier of healthchecks.io for this. I have all of my in-depth monitoring selfhosted, but use this as a general “is it at least online” check that tells me on multiple platforms if it isnt.
There’s a lot of options. There’s countless paid services that offer exactly that.
If you wanna build something yourself for free, you could probably set up a site accessible via HTTP on your server and create a script on your phone that pings it every 30 seconds or so. Afaik, termux has a termux-notification function that lets you send a notification.
Codewise, it would look somewhere like this I think:
#!/usr/bin/env bash # Config NOTIFY_TITLE="Server Alert" NOTIFY_MESSAGE="Server returned a non‑200 status." HOST="funnysite.com" PORT=8080 PATH="/healtcheck" URL="http://${HOST}:${PORT}${PATH}" # Config HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" "$URL") if [[ "$HTTP_CODE" != "200" ]]; then termux-notification -t "$NOTIFY_TITLE" -c "$NOTIFY_MESSAGE $HOST:$PORT" fi exit 0Afaik, termux doesn’t ship the cron daemon, but you can install cronie or use an external task scheduler. There, just set to run the script every 60 seconds or so. Whatever you need.
I haven’t tested anything of this, but in my head, it sounds like it should work fine.
Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:
Fewer Letters More Letters ESXi VMWare virtual machine hypervisor HTTP Hypertext Transfer Protocol, the Web VPS Virtual Private Server (opposed to shared hosting)
2 acronyms in this thread; the most compressed thread commented on today has 3 acronyms.
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