eeve

一直正常使用的树莓派3B在执行以下软件更新命令后，wlan0网卡不见了，wifi无法正常工作

sudo apt-get update
sudo apt-get upgrade
sudo apt-get -y dist-upgrade

系统版本

先可以查看下磁盘情况

df -h

移除掉因依赖关系而自动安装的套件

sudo apt-get clean
sudo apt-get autoremove --purge

Create beautiful REST API docs authored in Markdown

	// --- Compiling ---
	$ wget http://download.redis.io/releases/redis-2.8.3.tar.gz
	$ tar xzvf redis-2.8.3.tar.gz
	$ cd redis-2.8.3
	$ make
	$ make install

	// --- or using yum ---
	$ rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
	$ rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm

	# Install Scala 2.11.6 on CentOS 7

	export SCALA_VERSION=scala-2.11.6
	export SCALA_HOME=/opt/scala

	echo "SCALA_HOME=${SCALA_HOME}" > /etc/profile.d/scala.sh
	echo "export SCALA_HOME" >> /etc/profile.d/scala.sh

	mkdir -p ${SCALA_HOME} && cd ${SCALA_HOME}

	#!/bin/bash
	# Install Spark on CentOS 7
	yum install java -y
	java -version

	yum install wget -y
	wget http://downloads.typesafe.com/scala/2.11.7/scala-2.11.7.tgz
	tar xvf scala-2.11.7.tgz
	sudo mv scala-2.11.7 /usr/lib
	sudo ln -s /usr/lib/scala-2.11.7 /usr/lib/scala

	#!/bin/sh

	# This script generates multi-size .ico files from the highly stylized "simple"
	# Deno logos, designed by HashRock.

	# The complication stems from the fact the the dimensions of the original .png
	# files is 252x252 pixels. Naively rescaling these images to 256x256 or any
	# other power of 2 produces ugly artifacts.

	# Note that the output of the black-and-white logo transformation isn't