Using ntfy.sh, shell commands can trigger a push notification to a phone or watch via curl when they finish. I demonstrate chaining long-running commands like rsync with && and || to send success or failure messages, running everything in the background with nohup, and redirecting the curl output to a log file...
How to get a phone notification whenever someone SSHs into a VPS, using a PAM hook and the Ntfy push notification service. I explain why SSH access is a risk worth monitoring on otherwise locked-down servers, then walk through editing the sshd PAM config, creating a script that sends a curl request to an Ntfy topic on login, and restarting sshd to test it...
I walk through setting up Uptime Kuma, a self-hosted monitoring tool, in a Docker container to watch network devices and web services, with notifications pushed to a phone via NTFY. I cover basic monitor types like ping and HTTP checks, how NTFY’s topic-based subscriptions work, and the security trade-offs of its open public topics...
