clark yuchen

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

How to automatically start ssh server on boot on Windows Subsystem for Linux

Microsoft partnered with Canonical to create Bash on Ubuntu on Windows, running through a technology called the Windows Subsystem for Linux. Below are instructions on how to set up the ssh server to run automatically at boot.

Edit the /etc/ssh/sshd_config file by running the command sudo vi /etc/ssh/sshd_config and do the following
1. Change Port to 2222 (or any other port above 1000)
2. Change PasswordAuthentication to yes. This can be changed back to no if ssh keys are setup.
Restart the ssh server:
- sudo service ssh --full-restart
With this setup, the ssh server must be turned on every time you run Bash on Ubuntu on Windows, as by default it is off. Use this command to turn it on:

注意：本文内容适用于 Tmux 2.3 及以上的版本，但是绝大部分的特性低版本也都适用，鼠标支持、VI 模式、插件管理在低版本可能会与本文不兼容。

Tmux 快捷键 & 速查表 & 简明教程

启动新会话：

tmux [new -s 会话名 -n 窗口名]

恢复会话：

Mac Network Commands Cheat Sheet

After writing up the presentation for MacSysAdmin in Sweden, I decided to go ahead and throw these into a quick cheat sheet for anyone who’d like to have them all in one place. Good luck out there, and stay salty.

ipconfig & ifconfig

Get an ip address for en0:

ipconfig getifaddr en0

Introduction

An introduction to curl using GitHub's API.

The Basics

Makes a basic GET request to the specifed URI

curl https://api.github.com/users/caspyin

	#!/bin/bash

	# Run cputhrottle for a list of applications in order to limit their CPU usage.
	# This script needs `pidof` and `cputhrottle` installed, which can be installed from homebrew.
	# NOTE: This script was tested on MacOS only.

	if [[ $EUID > 0 ]]; then
	echo "Please run this script as root/sudo"
	exit 1
	fi

	# the following two lines give a two-line status, with the current window highlighted
	hardstatus alwayslastline
	hardstatus string '%{= kG}[%{G}%H%? %1`%?%{g}][%= %{= kw}%-w%{+b yk} %n*%t%?(%u)%? %{-}%+w %=%{g}][%{B}%m/%d %{W}%C%A%{g}]'

	# huge scrollback buffer
	defscrollback 5000

	# no welcome message
	startup_message off

	package main

	import (
	"fmt"
	"log"
	"net"
	"time"

	"github.com/hashicorp/yamux"
	)

	urlencode() {
	# urlencode <string>
	old_lc_collate=$LC_COLLATE
	LC_COLLATE=C

	local length="${#1}"
	for (( i = 0; i < length; i++ )); do
	local c="${1:i:1}"
	case $c in
	[a-zA-Z0-9.~_-]) printf "$c" ;;

	#!/bin/sh
	if [ "$#" -eq 1 ]; then stdinmsg=$(cat); fi
	exec <"$0" \|\| exit; read v; read v; read v; exec /usr/bin/osascript - "$@" "$stdinmsg"; exit

	-- another way of waiting until an app is running
	on waitUntilRunning(appname, delaytime)
	repeat until my appIsRunning(appname)
	tell application "Messages" to close window 1
	delay delaytime
	end repeat