madx

#!/bin/bash

# A small example program for using the new getopt(1) program.
# This program will only work with bash(1)
# An similar program using the tcsh(1) script language can be found
# as parse.tcsh

# Example input and output (from the bash prompt):
# ./parse.bash -a par1 'another arg' --c-long 'wow!*\?' -cmore -b " very long "
# Option a

johnpolacek

<!-- Prevent FOUC (flash of unstyled content) - http://johnpolacek.com/2012/10/03/help-prevent-fouc/ -->
<style type="text/css">
    .no-fouc {display: none;}
</style>

<script type="text/javascript">
    document.documentElement.className = 'no-fouc';
    // add to document ready: $('.no-fouc').removeClass('no-fouc');
</script>

jshaw

Byobu Commands
==============

        byobu                              Screen manager


Level 0 Commands (Quick Start)
------------------------------

        <F2>                               Create a new window

kevin-smets

Default

Powerlevel10k

tonymtz

# first:
lsbom -f -l -s -pf /var/db/receipts/org.nodejs.pkg.bom | while read f; do  sudo rm /usr/local/${f}; done
sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.*

# To recap, the best way (I've found) to completely uninstall node + npm is to do the following:

# go to /usr/local/lib and delete any node and node_modules
cd /usr/local/lib
sudo rm -rf node*

soar

# ssh-copy-id analog for Windows systems
# Script to install your public key on a remote machine
# The remote machine must accept password authentication,
# or one of the other keys in your Putty Agent, for this to work.
#
# (c) soar - http://soar.name

# Dialog for public key selection
Function Select-File()
{

vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

olih

Processing JSON using jq

jq is useful to slice, filter, map and transform structured json data.

Installing jq

On Mac OS

brew install jq

tiagoengel

#!/bin/bash

# You'll need to have sox, pavucontrol and alsa-utils installed, and the snd_aloop kernel module loaded. 
# You can configure your system to load it on startup or load it manually with "sudo modprobe snd_aloop"

# Once this is script is running, you need to start recording audio in the application of your
# preference, open pavucontrol, go to the recording tab and change the recording source of that application 
# to "Monitor of Loopback ..."

time=5

Necklaces

GNU/Linux UFW VPN kill switch tutorial

This is a quick guide for setting up a kill switch using UFW (Uncomplicated FireWall). It is assumed you are using OpenVPN and optionally Network-Manager with network-manager-openvpn.

1. (Optional) IP Addresses

Before we can start we're going to need the IP address (or the IP addresses) of your VPN so that we can whitelist those later on, write them down. They are obviously going to be different for every VPN and VPNs with multiple servers, so I'll leave this up to you.

2. Install UFW

On some systems UFW is installed and enabled by default (Ubuntu, for example). Installation procedure is going to be different for every distribution of GNU/Linux, but it's usually something like