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Goal

You have docker volume on one host and want to move that volume to another host. For example, you want to transfer PostgreSQL container with it's volume to another host.

Solution

Actually, there is no in-a-box solution from Docker, so we need to:

attach our volume to another container
copy and archive all files
copy archive to another host

Markdown Text 101

Want to inject some flavor into your everyday text chat? You're in luck! Discord uses Markdown, a simple plain text formatting system that'll help you make your sentences stand out. Here's how to do it! Just add a few characters before & after your desired text to change your text! I'll show you some examples...

What this guide covers:

Text Formatting
Organizational Text Formatting
- Headers
Masked Links

Generating Authy passwords on other authenticators

*update: TBC, but this new might affect how easy it is to use this technique past August 2024: Authy is shutting down its desktop app | The 2FA app Authy will only be available on Android and iOS starting in August

This gist, based in part on a gist by Brian Hartvigsen, allows you to export from Authy your TOTP tokens you have stored there.
Those can be "standard" 6-digits / 30 secs tokens, or Authy's own version, the 7-digits / 10 secs tokens.

Welcome to another tutorial of "What the f*ck is Oracle doing to my machine without me asking for it?"

I will cover in this guide how to correctly setup your machine to get rid of the stupid Oracle's agent on your machine, and even pimp your machine a little bit. You can't say no to that! :D Anyhow, let's start right now!

Just a warning!!!

When you create a machine, I HIGHLY recommend that you grab the SSH keys that Oracle gently ask you to also take. SSH keys are much more secure than passwords and you'll drastically avoid potential security issue with SSH. Oracle will automatically take care to refuse any password connection (Only allowing SSH keys connection) by then.

Go (Golang) Standard Library Interfaces (Selected)

This is not an exhaustive list of all interfaces in Go's standard library. I only list those I think are important. Interfaces defined in frequently used packages (like io, fmt) are included. Interfaces that have significant importance are also included.

All of the following information is based on go version go1.8.3 darwin/amd64.

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

OpenSSL 🔐

Install

Install the OpenSSL on Debian based systems

sudo apt-get install openssl

	git init # 初始化本地git仓库（创建新仓库）
	git config --global user.name "xxx" # 配置用户名
	git config --global user.email "xxx@xxx.com" # 配置邮件
	git config --global color.ui true # git status等命令自动着色
	git config --global color.status auto
	git config --global color.diff auto
	git config --global color.branch auto
	git config --global color.interactive auto
	git config --global --unset http.proxy # remove proxy configuration on git
	git clone git+ssh://git@192.168.53.168/VT.git # clone远程仓库

	import Foundation

	let rightname = "sys.openfile.readonly./tmp/cantread.txt"

	var status: OSStatus

	var authref: AuthorizationRef?
	let flags = AuthorizationFlags([.interactionAllowed, .extendRights, .preAuthorize])
	status = AuthorizationCreate(nil, nil, flags, &authref)
	assert(status == errAuthorizationSuccess)

	import discord
	from discord.ext import commands

	import sys, traceback

	"""This is a multi file example showcasing many features of the command extension and the use of cogs.
	These are examples only and are not intended to be used as a fully functioning bot. Rather they should give you a basic
	understanding and platform for creating your own bot.

	These examples make use of Python 3.6.2 and the rewrite version on the lib.