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README.md

Web VMStat

Display live Linux system stats (memory, CPU, IO, etc) in a pretty web-page, with charts and everything.

Screenshot

Overview

Linux (and many other UNIXy operating systems) have a command line tool called vmstat for monitoring system stats.

It looks like this (a new line is output every second showing the latest values):

$ vmstat 1
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
3  0  43652 2742600 453820 2829164    0    0     1    10    0    0  6  1 93  0
1  0  43652 2742784 453820 2829164    0    0     0     0 3106 5701 11  1 87  0
0  0  43652 2742908 453820 2829164    0    0     0     0 3898 6703 11  2 87  0
1  0  43652 2743672 453820 2829164    0    0     0    32 3844 6708 11  2 87  0
2  0  43652 2743980 453820 2829164    0    0     0    80 4130 7164 11  2 87  0

Useful, but fugly.

This is a tiny application that streams these stats over a WebSocket using websocketd and charts them using SmoothieCharts.

Why?

Why not? A handy little process to install on machines you care about. After building this for my own needs, I thought it would make a great little demo.

And if you want to use it or hack on it yourself, here it is.

Running

See ./run script for instructions.

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