rothwerx

#!/usr/bin/env python

import sys
from datetime import datetime
from argparse import ArgumentParser

parser = ArgumentParser()
parser.add_argument('logfile', help='Log file')
parser.add_argument('-s', '--seconds', default=1, type=int,
        help='Only log entries that took over n seconds')

rothwerx

#!/usr/bin/env python
import yaml
import json
import sys

with open(sys.argv[2], "w") as outf, open(sys.argv[1]) as inf:
    o = yaml.safe_load(inf)
    json.dump(o, outf)

rothwerx

function pecho {
  if [[ $LOGGING ]]; then
      printf "$@" | tee -a some.log
  else
      printf "$@"
  fi
}
pecho "%-10s %10s\n" "Logging:" "On"

rothwerx

#!/bin/bash
# Produce custom facts about HBA/HCA cards for facter
# This file should be executable in /etc/facter/facts.d/

# Look for Mellanox, Emulex, and QLogic cards
varq=$(lspci | awk '/[Mm]ellanox/ {
        printf "mellanox=%s\n", $1 }
    /[Ee]mulex/ {
        printf "emulex=%s\n", $1 }
    /[Qq][Ll]ogic/ {

rothwerx

#!/bin/bash

# function to expand the range of allowed CPUs
range_expand () (
    IFS=,
    set -- $1
    n=$#
    for element; do
        if [[ $element =~ ^(-?[0-9]+)-(-?[0-9]+)$ ]]; then
            set -- "$@" $(eval echo "{${BASH_REMATCH[1]}..${BASH_REMATCH[2]}}")

rothwerx

/* CPU values in /proc/stat are measured in USER_HZ which is
generally 1/100th of a second, but you can verify with this.
See http://man7.org/linux/man-pages/man5/proc.5.html
*/
#include <unistd.h>
#include <stdio.h>

int main()
{
    printf("USER_HZ is %d\n", sysconf(_SC_CLK_TCK));

rothwerx

function resample() {
    sample_interval=$1
    fh=$2
    ctr=1
    while read line; do
        [[ $sample_interval -eq $ctr ]] && echo "$line" && ctr=0
        ((ctr++))
    done < <(echo "$fh")
}

rothwerx

// These were written specifically for the Adafruit 8x8 LED matrix,
// https://www.adafruit.com/product/870 but they could be used anywhere you need
// 64 bit character representations. I wasn't happy with any of the characters I
// found, so I created these. They're nice and bold, not silly line letters.

B00110000,B01111000,B11001100,B11001100,B11111100,B11001100,B11001100,B00000000,25, // A
B11111100,B01100110,B01100110,B01111100,B01100110,B01100110,B11111100,B00000000,25, // B
B00111100,B01100110,B11000000,B11000000,B11000000,B01100110,B00111100,B00000000,25, // C
B11111000,B01101100,B01100110,B01100110,B01100110,B01101100,B11111000,B00000000,25, // D
B11111110,B01100010,B01101000,B01111000,B01101000,B01100010,B11111110,B00000000,25, // E

rothwerx

#!/bin/bash
# This file can be wget'ed at http://is.gd/vimme

realpath() {
    [[ $1 = /* ]] && echo "$1" || echo "$PWD/${1#./}"
}

if ! command -v git; then 
    echo "You really need git."
    exit 1

rothwerx

tune2fs -l /dev/sda1 | awk -F"  +" '/Filesystem created/ { print $2 }'