Muayyad Alsadi muayyad-alsadi

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

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Python 2.x

$ python -m SimpleHTTPServer 8000

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

	#!/bin/sh

	#----
	# bootstrap fedora21

	#release=$(cat /etc/fedora-release \| awk '/^Fedora/ {print $3}')
	#arch=$(arch)
	release=21
	arch=x86_64
	ROOTFS=/var/lib/libvirt/lxc/fedora$release-$arch

	#!/bin/bash
	# ssh-multi
	# D.Kovalov
	# Based on http://linuxpixies.blogspot.jp/2011/06/tmux-copy-mode-and-how-to-control.html

	# a script to ssh multiple servers over multiple tmux panes


	starttmux() {
	if [ -z "$HOSTS" ]; then

	#!/usr/bin/env python
	# http://www.rabbitmq.com/tutorials/tutorial-two-python.html
	import pika
	import sys

	connection = pika.BlockingConnection(pika.ConnectionParameters(
	host='localhost'))
	channel = connection.channel()

	message = ' '.join(sys.argv[1:]) or "Hello World!"