Uptime Kuma is a self-hosted, open source, fancy uptime monitoring and alerting system. It can monitor HTTP(s) / TCP / HTTP(s) Keyword / Ping / DNS Record / Push / Steam Game Server.
To create a new Proxmox Uptime Kuma LXC, run the following in the Proxmox Shell (V2).
After the script completes, If you're dissatisfied with the default settings, click on the LXC, then on the **_Resources_** tab and change the settings to what you desire. Changes are immediate.