Chris Needham chrisn

chrisn / prettify_json

Last active October 10, 2015 19:07

Prettify JSON

cat input.json | python -mjson.tool > output.json

chrisn / interfaces

Created October 8, 2012 11:34

Multicast network config

chrisn / hex_dump

Last active December 17, 2015 23:59

Dump a file as hexadecimal

od -t x1 -A x -v <filename>

chrisn / list_open_ports

Created June 12, 2013 15:22

List open ports

lsof -i -P

chrisn / curl_post_json

Created June 14, 2013 14:58

Post JSON data from a file to a url

curl <url> -H "Content-Type: application/json" --data @<filename>

chrisn / connect_pop3

Created November 2, 2013 23:09

Connect to POP3 server over SSL using openssl

openssl s_client -crlf -ign_eof -connect <pop3-server-address>:995

chrisn / popen3_test

Last active November 30, 2025 16:03

Ruby example of using Open3.popen3 with a select loop to read a child process's standard output and standard error streams.

	#!/usr/bin/env ruby

	require 'open3'

	# Returns true if all files are EOF
	#
	def all_eof(files)
	files.find { \|f\| !f.eof }.nil?
	end

chrisn / Preferences.sublime-settings

Created November 15, 2013 22:30

My Sublime Text 2 user settings

	{
	// Controls auto pairing of quotes, brackets etc
	"auto_match_enabled": false,

	// Sets the colors used within the text area
	"color_scheme": "Packages/Color Scheme - Default/Sunburst.tmTheme",

	// Set to true to ensure the last line of the file ends in a newline
	// character when saving
	"ensure_newline_at_eof_on_save": true,

chrisn / .gitconfig

Last active August 13, 2024 20:07

Git configuration

	[alias]
	co = checkout
	st = status
	dif = diff
	lg = log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
	wd = diff --word-diff

	[color]
	ui = true

chrisn / robocopy_backup

Created December 26, 2013 21:05

robocopy command to backup to a shared drive

robocopy D:\ Z:\BackupDir /MIR /XD "$RECYCLE.BIN" "System Volume Information" /FFT