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2 # What is vnStat
4 vnStat is a console-based network traffic monitor that uses the network
5 interface statistics provided by the kernel as information source. This
6 means that vnStat won't actually be sniffing any traffic and also ensures
7 light use of system resources regardless of network traffic rate.
9 By default, traffic statistics are stored on a five minute level for the last
10 48 hours, on a hourly level for the last 4 days, on a daily level for the
11 last 2 full months and on a yearly level forever. The data retention durations
12 are fully user configurable. Total seen traffic and a top days listing is also
13 provided. Optional image output is available in systems with the GD library
16 See the webpage https://humdi.net/vnstat/ for output examples.
19 # Getting started
21 vnStat works best when installed. See the INSTALL or INSTALL_BSD file
22 depending on used operating system. These files contain all needed
23 information for the installing process. Instructions for upgrading from
24 a previous version are included in the UPGRADE file. Release notes
25 can be found from the CHANGES file.
28 # Available options and documentation
30 A list of commonly used options is available with `vnstat --help`. The
31 complete list can be accessed with `vnstat --longhelp`. The following
32 man pages are available with more detailed descriptions of each option
33 including some usage examples:
35 vnstat general documentation and console query parameters
36 vnstatd daemon documentation
37 vnstati image output documentation
38 vnstat.conf configuration file
41 # Contacting the author
43 email: Teemu Toivola <tst at iki dot fi>
44 irc: Vergo (IRCNet)
46 git: https://github.com/vergoh/vnstat
48 The current version of vnStat is always available from
51 Bug reports, improvement ideas, feature requests and pull requests should
52 be sent using the matching features on GitHub as those are harder to miss
53 or forget.