| 31 Dec 2025 |
 hexa (clat on linux when) | vnstat does per interface metrics | 21:58:13 |
 Charles | * So my router runs NixOS and my ISP sets a monthly data cap for combined upload and download. I want to add some monitoring so I can see how much data each device on the LAN is transceiving to/from the WAN over time. Ideally the monitoring data would take the form of prometheus metrics. Figured I'd post about this here in case anyone happens to know an easy path to accomplishing this before I spend too much time digging into figuring it out on my own | 21:58:18 |
| hexa (clat on linux when) | ipt_netflow can generate flowdata if you want higher granularity | 21:58:31 |
| Charles | i don't think per interface is granular enough, and node exporter captures that already | 22:00:07 |
 K900 | ntopng possibly | 22:00:17 |
| Charles | i will look at both of these things, thanks | 22:03:37 |
| Charles | ntopng looks like a solid off the shelf do everything solution so i guess i'll start there lol | 22:08:05 |
| 1 Jan 2026 |
| Charles | ntopng seems to forget total bytes transferred when restarting it :/ | 01:52:26 |
| Charles | this is probably fine really but it is sad | 01:54:20 |
| K900 | I think it can output Prometheus metrics somehow? | 06:30:26 |
| K900 | Not 100% sure | 06:30:30 |
 Marcus | https://github.com/aauren/ntopng-exporter ? | 08:31:25 |
| Charles | so ntopng has timeseries data for total transfer of hosts on the local network, but seems not to have historical data about which flows caused that transfer | 19:16:37 |
| Charles | so i have enough information to figure out what local hosts are responsible for unusual data transfer, but not enough information to figure out what that unusual data transfer actually is | 19:17:07 |
| Charles | oh... i think i know what it is | 19:19:48 |
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 antifuchs | That really is a neat tool | 20:59:56 |
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| 3 Jan 2026 |
 alina arielle amelie🏳️⚧️🐾 | 
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