Ubuntu day 2

Replace the Source

Make CN sources replace US sources. Download speed rises

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• Backup /etc/apt/sources.list

  1. cd /etc/apt/
  2. sudo cp /etc/apt/sources.list /etc/apt/sources.list
  3. Enter your root password

• Replace /etc/apt/sources.list

• sudo gedit /etc/apt/sources.list

• Delete everything in sources.list

• Copy and paste below sources into sources.list

  163源

  deb bionic main restricted universe multiverse

  deb bionic-security main restricted universe multiverse
  deb bionic-updates main restricted universe multiverse
  deb bionic-proposed main restricted universe multiverse
  deb bionic-backports main restricted universe multiverse
  deb-src bionic main restricted universe multiverse
  deb-src bionic-security main restricted universe multiverse
  deb-src bionic-updates main restricted universe multiverse
  deb-src bionic-proposed main restricted universe multiverse
  deb-src bionic-backports main restricted universe multiverse’

  中科大源

  deb bionic main restricted universe multiverse

  deb bionic-updates main restricted universe multiverse
  deb bionic-backports main restricted universe multiverse
  deb bionic-security main restricted universe multiverse
  deb bionic-proposed main restricted universe multiverse
  deb-src bionic main restricted universe multiverse
  deb-src bionic-updates main restricted universe multiverse
  deb-src bionic-backports main restricted universe multiverse
  deb-src bionic-security main restricted universe multiverse
  deb-src bionic-proposed main restricted universe multiverse

  阿里云源

  deb bionic main restricted universe multiverse

  deb bionic-security main restricted universe multiverse
  deb bionic-updates main restricted universe multiverse
  deb bionic-proposed main restricted universe multiverse
  deb bionic-backports main restricted universe multiverse
  deb-src bionic main restricted universe multiverse
  deb-src bionic-security main restricted universe multiverse
  deb-src bionic-updates main restricted universe multiverse
  deb-src bionic-proposed main restricted universe multiverse
  deb-src bionic-backports main restricted universe multiverse

  清华源

  deb bionic main restricted universe multiverse

  deb bionic-updates main restricted universe multiverse
  deb bionic-backports main restricted universe multiverse
  deb bionic-security main restricted universe multiverse
  deb bionic-proposed main restricted universe multiverse
  deb-src bionic main restricted universe multiverse
  deb-src bionic-updates main restricted universe multiverse
  deb-src bionic-backports main restricted universe multiverse
  deb-src bionic-security main restricted universe multiverse
  deb-src bionic-proposed main restricted universe multiverse

• update and upgrade

• sudo apt update

• sudo apt upgrade

• others command

  sudo apt-get update 更新源

  sudo apt-get install package 安装包
  sudo apt-get remove package 删除包
  sudo apt-cache search package 搜索软件包
  sudo apt-cache show package 获取包的相关信息，如说明、大小、版本等
  sudo apt-get install package –reinstall 重新安装包
  sudo apt-get -f install 修复安装
  sudo apt-get remove package –purge 删除包，包括配置文件等
  sudo apt-get build-dep package 安装相关的编译环境
  sudo apt-get upgrade 更新已安装的包
  sudo apt-get dist-upgrade 升级系统
  sudo apt-cache depends package 了解使用该包依赖那些包
  sudo apt-cache rdepends package 查看该包被哪些包依赖
  sudo apt-get source package 下载该包的源代码
  sudo apt-get clean && sudo apt-get autoclean 清理无用的包
  sudo apt-get check 检查是否有损坏的依赖

TimeShift

install

• sudo apt-add-repository -y ppa:teejee2008/ppa
• sudo apt-get update

• sudo apt-get install timeshift

  Paste and Execute the above Commands one by one in the terminal

Adobe Flash Player

Canonical Partners Repository上提供了Adobe Flash播放器，默认情况下未启用。 使用以下命令添加此存储库：

添加存储库后，更新apt index然后继续在Ubuntu 18.04上安装Adobe Flash Player

Step 1: Add Canonical Partners Repository

• sudo add-apt-repository "deb http://archive.canonical.com/ $(lsb_release -sc) partner"
• sudo apt update
• sudo apt -y upgrade

Step 2: Install Adobe Flash Plugin on Ubuntu 18.04

• sudo apt install adobe-flashplugin

sougoupinyin

sougoupinyin是依赖Fcitx的bin，因此安装搜狗输入法需要先安装Fcitx.

Fcitx可以在Ubuntu 18.04 LTS 可直接在Ubuntu商店下.搜狗输入法直接官网下载

• 下载FCITX
• 根据机器位数选择32位/64位

remarkable

I can’t express the excitement of the heart. The Remarkable is best markdown editor in Linux Ubuntu.

Install deb of files on Linux Ubuntu

Follow the steps given below

• Ctrl + alt + t

The command is open the terminal

打开终端

• sudo dpkg -i(FileName.deb or download on the official website

1. 从终端下载或者直接到官网(墙内打不开)/ Github 下载

2. Replace FileName with the name of the file you just downloaded

   如果是非指令下载,FileName 用软件名代替

• sudo apt-get -f install

安装文件所需要的依赖库