vnstat | vnStat - a network traffic monitor for Linux and BSD | Monitoring library
kandi X-RAY | vnstat Summary
kandi X-RAY | vnstat Summary
vnStat is a console-based network traffic monitor that uses the network interface statistics provided by the kernel as information source. This means that vnStat won't actually be sniffing any traffic and also ensures light use of system resources regardless of network traffic rate. By default, traffic statistics are stored on a five minute level for the last 48 hours, on a hourly level for the last 4 days, on a daily level for the last 2 full months and on a yearly level forever. The data retention durations are fully user configurable. Total seen traffic and a top days listing is also provided. Optional png image output is available in systems with the gd library installed. See the official webpage for additional details and output examples.
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QUESTION
I'm scratching my head. My goal is to get an input of json und put it out into an influxdb. Since' I'm gathering data from a pfSense my tools are limited. Therefor I'm using Python 3.8.
Developing on an Debian Machine first I wrote this code:
...ANSWER
Answered 2022-Feb-12 at 09:11"Expecting value at char 0" generally means that you're trying to json.loads() an empty string:
QUESTION
Iam trying to monitor the network bandwidth using any command, run it using subprocess and then load the data in json format for my API. I currently came across 3 terminal commands. 1- vnstat 2- fast 3- nload
Fast is better in providing the real time network bandwidth. But nload also give real time data in a clear manner. How do i get the data in either of the cases if iam using subprocess so that my API doesnt end up facing a request timeout error.??
...ANSWER
Answered 2021-Jul-07 at 11:27I was basically trying to achieve the output of the subprocess for a command and write it in json format.
QUESTION
I'm trying to write my own script to tell me if I've used more than 500 MiB of my data.
I'm using vnstat -d for the information about data usage.
vnstat -d Output here
Output should be:
- Only from the "Total column"
- Only have values greater than 500.
I want only values from the "total"column. My output lists data from all the columns. Better clear from the following:
...ANSWER
Answered 2020-Jun-04 at 02:27#!/bin/bash
IFS=$'\n'
for i in `vnstat -d`; do # get each lines
VALUE=$(echo $i | cut -d\| -f3) # get total value with unit, in case you want to check for GiB values
NUMBER=$(echo $VALUE | grep -o '[0-9.*]' | cut -d. -f1); # split the string by '|', get the number part, store the integer part into NUMBER
if [[ $NUMBER -ge 500 && "$VALUE" == *"MiB"* || "$VALUE" == *"GiB"* ]]; then # if the number is greater than or equals to 500 OR it's in GiB
echo $VALUE; # echo the value
fi
done
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