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

/* 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

#!/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

#!/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

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

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

#!/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

# iPython 6 dropped support for Python 2.7
sudo pip install "pathlib2==2.1.0"
sudo pip install "ipython<6.0"

rothwerx

# set -g default-terminal "screen-256color"

# fix pbpaste and pbcopy commands on OSX https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard
# set-option -g default-command "reattach-to-user-namespace -l $SHELL"

# Report support for 256 colors
set -g default-terminal "screen-256color"

# remap prefix to C-a
set -g prefix C-a

rothwerx

Keybase proof

I hereby claim:

• I am rothwerx on github.
• I am rothwerx (https://keybase.io/rothwerx) on keybase.
• I have a public key ASBy7WRKEIU2UJRhUTIcRrHbXliZjB8p5pDriDHcUa6mywo

To claim this, I am signing this object: