Ubuntu更新、Python和R软件包安装、和Firefox下载插件演示

视频演示:
1. 怎么更新Ubuntu Linux;
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install build-essential
2. 怎么安装Python包;
sudo apt-get install python-pip
sudo apt-get install python-dev
sudo pip install numpy
sudo pip install ggplot…
3. 怎么安装R和R包;
sudo apt-get install r-base
sudo apt-get install openjdk-7-jdk
sudo R
install.packages(“xlsx”)
4. 如何方便快捷下载视频:
Firefox, 插件DownThemAll

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