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#Linux Cheat Sheet

##File Commands:

ls – directory listing
ls -al – formatted listing with hidden files
cd dir - change directory to dir
cd – change to home
pwd – show current directory
mkdir dir – create a directory dir
rm file – delete file

How to mount a qcow2 disk image

This is a quick guide to mounting a qcow2 disk images on your host server. This is useful to reset passwords, edit files, or recover something without the virtual machine running.

Step 1 - Enable NBD on the Host

modprobe nbd max_part=8

Default

Powerlevel10k

Option 1: Command-line download extension as zip and extract

extension_id=jifpbeccnghkjeaalbbjmodiffmgedin   # change this ID
curl -L -o "$extension_id.zip" "https://clients2.google.com/service/update2/crx?response=redirect&os=mac&arch=x86-64&nacl_arch=x86-64&prod=chromecrx&prodchannel=stable&prodversion=44.0.2403.130&x=id%3D$extension_id%26uc" 
unzip -d "$extension_id-source" "$extension_id.zip"

Thx to crxviewer for the magic download URL.

Docker Hub 镜像加速器

国内从 Docker Hub 拉取镜像有时会遇到困难，此时可以配置镜像加速器。

Dockerized 实践 https://github.com/y0ngb1n/dockerized

1️⃣ Docker daemon 配置代理（推荐）

参考 Docker daemon 配置代理

	{-# LANGUAGE OverloadedStrings #-}
	import Reflex.Dom

	counter = el "div" $ do
	click <- button "Click"
	clicks <- foldDyn (\() n -> n + 1) 0 click
	el "p" $ display clicks
	return clicks

	main = mainWidget $ do


	Shader "Misha/Schwartzschild"
	{
	Properties
	{
	[Header(Black Hole)]
	_EventHorizonRadius("Event Horizon Radius", Range(0.0, 0.5)) = 0.075

	[Header(Accretion)]
	[HDR] _AccretionColor("Color", Color) = (1,1,1,1)

	a4b.amazonaws.com
	access-analyzer.amazonaws.com
	account.amazonaws.com
	acm-pca.amazonaws.com
	acm.amazonaws.com
	airflow-env.amazonaws.com
	airflow.amazonaws.com
	alexa-appkit.amazon.com
	alexa-connectedhome.amazon.com
	amazonmq.amazonaws.com

	"""
	summary: drawing custom graphs
	description:
	Showing custom graphs, using `ida_graph.GraphViewer`. In addition,
	show how to write actions that can be performed on those.
	keywords: graph, actions
	"""

	from __future__ import print_function
	# -----------------------------------------------------------------------

	{
	"serverVersion": "4.3.4",
	"appPath": "Path to the stremio-server",
	"cacheRoot": "Path to the cache-folder",
	"cacheSize": 2147483648,
	"btMaxConnections": 200,
	"btHandshakeTimeout": 20000,
	"btRequestTimeout": 4000,
	"btDownloadSpeedSoftLimit": 4194304,
	"btDownloadSpeedHardLimit": 39321600,