Sergi030
/ bandwidth.sh
Created
April 20, 2018 16:40
Script to check bytes usage on a specific network card using system files
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| #!/bin/bash | |
| if [ -z "$1" ]; then | |
| echo | |
| echo usage: $0 network-interface | |
| echo | |
| echo e.g. $0 eth0 | |
| echo | |
| echo shows packets-per-second | |
| exit |
Sergi030
/ entropy.py
Created
June 5, 2018 09:18
Python script that do a dd of 1k on /dev/random 10 times and tell the wasted time
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| import subprocess | |
| import os | |
| import timeit | |
| import time | |
| def read_dev_random(): | |
| devnull = open(os.devnull, 'w') | |
| subprocess.check_call(['dd', 'if=/dev/random', 'of=mytmp', 'bs=1k', 'count=1'],stdout=devnull, stderr=devnull) | |
Sergi030
/ show_tarball_replacing_files.sh
Last active
January 31, 2023 18:36
show_tarball_replacing_files
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| #!/bin/bash | |
| if [ $# -ne 1 ] | |
| then | |
| echo "$@ <tarfile>" | |
| exit 1 | |
| fi | |
| if [ ! -f $1 ] | |
| then |