Jack Wasey jackwasey

Google Public NTP [AS15169]:

time.google.com

time1.google.com

time2.google.com

time3.google.com

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

Ctrl-Key: ^[
Octal: \033
Unicode: \u001b
Hexadecimal: \x1b
Decimal: 27

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.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

Overview

This is a bash script that will automatically turn your wifi off if you connect your computer to an ethernet connection and turn wifi back on when you unplug your ethernet cable/adapter. If you decide to turn wifi on for whatever reason, it will remember that choice. This was improvised from this mac hint to work with Yosemite, and without hard-coding the adapter names. It's supposed to support growl, but I didn't check that part. I did, however, add OSX notification center support. Feel free to fork and fix any issues you encounter.

Most the credit for these changes go to Dave Holland.

Requirements

Mac OSX 10+
Administrator privileges

#256 colors in putty, tmux/screen and vim There is a detailed answer on stackoverflow. If you are looking for a short one, here it is.

putty

Set Connection -> Data -> Terminal-type string to xterm-256color
tmux

Add this line to ~/.tmux.conf

Installing tmux-256color for macOS

macOS 10.15.5
tmux 3.1b

macOS has ncurses version 5.7 which does not ship the terminfo description for tmux. There're two ways that can help you to solve this problem.

The Fast Blazing Solution

Instead of tmux-256color, use screen-256color which comes with system. Place this command into ~/.tmux.conf or ~/.config/tmux/tmux.conf(for version 3.1 and later):

	// Compile with:
	// cc -DUID=$UID -DUSER=$USER -D_LARGEFILE64_SOURCE -o zfs_mount zfs_mount.c `pkg-config --cflags --libs libzfs`
	// then install with:
	// sudo cp zfs_mount /usr/local/bin
	// sudo setcap cap_sys_admin+ep /usr/local/bin/zfs_mount

	#include <libzfs.h>
	#include <stdio.h>
	#include <sys/types.h>
	#include <unistd.h>

	#!/bin/bash

	#This script will compile and install a static ffmpeg build with support for nvenc un ubuntu.
	#See the prefix path and compile options if edits are needed to suit your needs.

	#install required things from apt
	installLibs(){
	echo "Installing prerequisites"
	sudo apt-get update
	sudo apt-get -y --force-yes install autoconf automake build-essential libass-dev libfreetype6-dev libgpac-dev \

	#! /usr/bin/env python3.5
	"""

	Fixing bluetooth stereo headphone/headset problem in ubuntu 16.04 and also debian jessie, with bluez5.

	Workaround for bug: https://bugs.launchpad.net/ubuntu/+source/indicator-sound/+bug/1577197
	Run it with python3.5 or higher after pairing/connecting the bluetooth stereo headphone.

	This will be only fixes the bluez5 problem mentioned above .

	Latency Comparison Numbers (~2012)
	----------------------------------
	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns 3 us
	Send 1K bytes over 1 Gbps network 10,000 ns 10 us
	Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD