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1
2 # What is vnStat
3
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.
8
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
14 installed.
15
16 See the webpage https://humdi.net/vnstat/ for output examples.
17
18
19 # Getting started
20
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.
26
27
28 # Available options and documentation
29
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:
34
35 vnstat general documentation and console query parameters
36 vnstatd daemon documentation
37 vnstati image output documentation
38 vnstat.conf configuration file
39
40
41 # Contacting the author
42
43 email: Teemu Toivola <tst at iki dot fi>
44 irc: Vergo (IRCNet)
45
46 git: https://github.com/vergoh/vnstat
47
48 The current version of vnStat is always available from
49 https://humdi.net/vnstat/
50
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.