velenux

#!/bin/bash

# iterates over all the .jpg files in a directory
# * creates a 1080p version with a 50% transparent signature (if not already present)
# * creates a 2160p version with a 8% transparent signature (if not already present)

FILE_sign_1080=signature_1080.png
FILE_sign_2160=signature_2160.png

velenux

#!/bin/bash

# show all the relevant hardware information from network interfaces

for DEV in /sys/class/net/* ; do
	dev_name=$(basename "${DEV}")
	echo "# $dev_name  ========================================="
	hardware_path=$(udevadm info --query=path --path=${DEV} 2>&1)
	if [ -z "$hardware_path" ]; then
		echo "Could not find the hardware path, skipping."

velenux

# encoding: utf-8

import json
import pprint
import codecs
import iso8601
import datetime

# this is the json from https://elezioni.tracking.exposed/campaign/opendata/
filename = 'archive.json'

velenux

#!/bin/bash

# for some reason, this repo is having problems with yum

base_url="https://download.opensuse.org/repositories/network:/ha-clustering:/Stable/CentOS_CentOS-7/noarch/"

file_tmp=$(mktemp)

/usr/bin/curl -sS -Lo "$file_tmp" "$base_url"
if [ "x$?" != "x0" ]; then

velenux

# based on https://gist.github.com/twtw/5494223
# create systemd service file for rails/puma startup
# 0. [if required: rvm use ruby@default]
# 1. rvm wrapper default systemd rails
# 2. put this file in /etc/systemd/system/rails-puma.service
# 3. systemctl enable rails-puma
# 4. systemctl start rails-puma
[Unit]
Description=Rails-Puma Webserver
 

velenux

# Please read the corosync.conf.5 manual page
compatibility: whitetank

totem {
        # cluster name
        cluster_name: coro01

        # totem parameters
        version: 2
        secauth: off

velenux

#!/bin/bash

# outputs a visual hash for the system is running on:
# useful to identify which system you are running your commands on

# first two bytes for the unicode sequence, by default we use 28
# since the braille character set is fully compliant and easy to identify
# the characters will be: u+${BASE_UNICODE}${first_hex}${second_hex}
# good values are: 14, 22, 25, 28, 2F, 34, A5, FB, 106, 131
BASE_UNICODE=14

velenux

import os
import hashlib

# calc directory checksum
def calc_dir_sum(path):
        for root, dirs, files in os.walk(path):
                dir_hash = hashlib.md5()

                # calc checksum for each file
                # based on file name, size and mtime

velenux

#!/bin/bash

# based on http://www.streamcomputing.eu/blog/2011-06-24/install-opencl-on-debianubuntu-orderly/

DIR=/usr/include/

for VERSION in 1.1 1.2; do
        echo "Downloading headers for version ${VERSION}..."

        mkdir -p "${DIR}/CL-${VERSION}"

velenux

# encoding: utf-8

# using XPath 1.0, ref: http://www.exampledepot.com/egs/org.w3c.dom/xpath_GetElemByText.html

class XPathFactory
  # build a XPath to find any link with content "content" inside a 
  # container with class "class_name"
  def by_container_class_and_link_content(class_name, content)
    "//*[@class and contains(concat(' ',normalize-space(@class),' ')," +
    "' #{class_name} ')]//a[contains(translate(.,'abcdefghijklmnopqrstuvwxyz'," +