shahifaqeer’s gists

shahifaqeer / ratelimit4.sh

Created December 3, 2014 22:08

	#insmod sch_tbf
	#insmod sch_prio
	#insmod cls_u32
	#insmod cls_fw

	interface=$1
	down_rate=$2 # "mbits", Megabits per second
	latency=$3 # "ms"
	#HZ=$(grep 'CONFIG_HZ=' /boot/config-$(uname -r) \| sed 's/CONFIG_HZ=//')
	HZ=100 #not sure

shahifaqeer / decode-sample_trace

Created February 2, 2015 22:20

	from lwpb.codec import MessageCodec
	codec = MessageCodec(pb2file='trace.pb2', typename='passive.Trace')

	data = open('passive-sample_trace', 'r').read()

	# Does something like this work?
	trace = codec.decode(data)

shahifaqeer / pcap-dumps

Last active October 28, 2015 17:04

sudo tcpdump -i eth0 -xnvv -w - | tee $(date +"%s").pcap | tcpdump -rn -

shahifaqeer / initSoftAP.sh

Created March 18, 2015 20:12

share eth0 with wlan0 for ssid livinglab

	#!/bin/bash
	# wlan0 is locked: unlock it
	# http://askubuntu.com/questions/472794/hostapd-error-nl80211-could-not-configure-driver-mode
	sudo nmcli nm wifi off
	sudo rfkill unblock wlan
	sudo ifconfig wlan0 10.0.0.1/24 up
	sleep 1
	sudo service isc-dhcp-server restart
	sudo service hostapd restart

shahifaqeer / pandas_df_apply_2_col.py

Created April 26, 2015 09:22

Apply a function to multiple columns in a pandas dataframe using the axis=1 to do row-wise application!

	import pandas as pd

	df = pd.DataFrame({'ID':['1','2','3'], 'J1': [0,2,3], 'J2':[1,4,5]})
	print df
	lst = ['a','b','c','d','e','f']

	df['J3'] = df.apply(lambda row:lst[row['J1']:row['J2']],axis=1)
	print df

shahifaqeer / prelim_analysis_3months.ipynb

Created August 5, 2015 02:59

Prelim analysis of myspeedtest data for 3 months (Jan-Mar 2015)

Sorry, something went wrong. Reload?

Sorry, we cannot display this file.

Sorry, this file is invalid so it cannot be displayed.

shahifaqeer / MST-API-week-details.ipynb

Last active September 15, 2015 02:26

Prelim app usage details over a week

Sorry, something went wrong. Reload?

Sorry, we cannot display this file.

Sorry, this file is invalid so it cannot be displayed.

shahifaqeer / whatsapp-scraper.py

Last active July 2, 2022 18:36

	from selenium import webdriver
	from selenium.webdriver.chrome.options import Options
	from BeautifulSoup import BeautifulSoup
	import time

	NAME = "Mom"
	RELOAD_TIMEOUT = 1
	ERROR_TIMEOUT = 5
	NUM_CYCLES = 10
	FIREFOX_PATH = "/Users/sgrover/Library/Application Support/Firefox/Profiles/9w4h7jdq.default"

shahifaqeer / tshark_extract.sh

Last active June 7, 2017 17:03

	#!/bin/bash

	# editcap -i 3600 dns_all_20170124_20170130.pcap split_20170124_20170130/split_hour.pcap
	# tshark -r file.pcap -T fields -e frame.time_relative -e ip.src -e ip.dst -e dns.qry.name -Y "dns.flags.response eq 0" > file.csv

	date=$1 #20170124_20170130 or 20170207_20170212
	for filename in split_$date/*.pcap; do
	echo "extract $filename to tshark_$date"
	tshark -r "$filename" -E separator="\|" -T fields -e frame.time_epoch -e frame.time_relative -e ip.src -e ip.dst -e dns.qry.name -e dns.qry.type -Y "dns.flags.response eq 0" > "tshark_$date/$(basename "$filename" .pcap).csv"
	done

shahifaqeer / tshark_extract_fields.sh

Last active January 30, 2020 00:38

pcap tshark extractor for most relevant fields to calculate KPIs

	#!/bin/bash
	# sh tshark_extract_fields.sh [-h] \| [ -i /input_path/trace.pcap -o output_path/tshark_trace.log -k ]

	usage="sh $(basename "$0") [-h] \| [-i input.pcap -o output.log][-k] -- program to extract packet fields from pcap for KPI calculations using tshark

	where:
	-h show this help text
	-i path to input pcap
	-o path to output csv log file
	-k output only specific KPI related fields"

Sarthak Grover shahifaqeer