Skip to content

Instantly share code, notes, and snippets.

Jeremiah Roth rothwerx

Block or report user

Report or block rothwerx

Hide content and notifications from this user.

Learn more about blocking users

Contact Support about this user’s behavior.

Learn more about reporting abuse

Report abuse
View GitHub Profile

Keybase proof

I hereby claim:

  • I am rothwerx on github.
  • I am rothwerx ( on keybase.
  • I have a public key ASBy7WRKEIU2UJRhUTIcRrHbXliZjB8p5pDriDHcUa6mywo

To claim this, I am signing this object:

View gist:5c626130fcbe4dea2cb0df6c90dcde86
# set -g default-terminal "screen-256color"
# fix pbpaste and pbcopy commands on OSX
# 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 / gist:ebef10660b42ae4e3235f47b0236b518
Created Dec 4, 2017
Shell: Installing iPython in Python 2.7
View gist:ebef10660b42ae4e3235f47b0236b518
# iPython 6 dropped support for Python 2.7
sudo pip install "pathlib2==2.1.0"
sudo pip install "ipython<6.0"
rothwerx / gist:96d71d9abedab96f7033c674b1b8e876
Last active Jul 14, 2016
Python: Get time delta from log with YYYY-MM-DD hh:mm:ss format
View gist:96d71d9abedab96f7033c674b1b8e876
#!/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 / gist:f1843fe5e295f0c18d21
Created Dec 5, 2015
Python: YAML to JSON preprocessor
View gist:f1843fe5e295f0c18d21
#!/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 / gist:7aa31f5437a4fc2b9416
Created Oct 21, 2015
Bash: Logging helper function
View gist:7aa31f5437a4fc2b9416
function pecho {
if [[ $LOGGING ]]; then
printf "$@" | tee -a some.log
printf "$@"
pecho "%-10s %10s\n" "Logging:" "On"
rothwerx / gist:e1308d61512d7c278268
Created Aug 10, 2015
Bash: Collect HBA/HCA information for facter
View gist:e1308d61512d7c278268
# Produce custom facts about HBA/HCA cards for facter
# This file should be executable in /etc/facter/facts.d/
# Look for Mellanox, Emulex, and QLogic cards
varq=$(lspci | awk '/[Mm]ellanox/ {
printf "mellanox=%s\n", $1 }
/[Ee]mulex/ {
printf "emulex=%s\n", $1 }
/[Qq][Ll]ogic/ {
rothwerx / gist:b60f1fa7b543e8761b3c
Created Jul 13, 2015
Bash: Ensure processes run on allowed CPUs
View gist:b60f1fa7b543e8761b3c
# function to expand the range of allowed CPUs
range_expand () (
set -- $1
for element; do
if [[ $element =~ ^(-?[0-9]+)-(-?[0-9]+)$ ]]; then
set -- "$@" $(eval echo "{${BASH_REMATCH[1]}..${BASH_REMATCH[2]}}")
rothwerx / gist:065fbdfd5eec6aa56e1f
Created Mar 18, 2015
C: Print the USER_HZ for a platform
View gist:065fbdfd5eec6aa56e1f
/* CPU values in /proc/stat are measured in USER_HZ which is
generally 1/100th of a second, but you can verify with this.
#include <unistd.h>
#include <stdio.h>
int main()
printf("USER_HZ is %d\n", sysconf(_SC_CLK_TCK));
rothwerx / gist:97c8c591be1021522b60
Created Mar 11, 2015
Bash: resample the lines of a multiline variable
View gist:97c8c591be1021522b60
function resample() {
while read line; do
[[ $sample_interval -eq $ctr ]] && echo "$line" && ctr=0
done < <(echo "$fh")
You can’t perform that action at this time.