Ubuntu16.04 Using Note

I meet lots of problems when i installed and use ubuntu 16.04.below is my using note:

(my operating system is english, so i use english and let this as an exerices.: )

1. First probelm :   su: Authentication failure

Open Terminal Window and input command of su,then input the pass, but is return an error : su:Authentication failure.

the resolution is input command:sudo passwd root and input the new pass.then ur can resolve it.

2. Update the system:

　use command :  apt-get update  then　apt-get upgrade
It maybe useing half an hour to get info and soft from internet.

3.Install Sogoupinyin

Download the deb file of sogou from  official website.

double click the deb file to install it.

4.Install Chrome

//1.download the deb package
//32bit sys
wget https://dl.google.com/linux/direct/google-chrome-stable_current_i386.deb
//64bit sys
wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb

//2. install it
sudo dpkg -i google-chrome*; sudo apt-get -f install

After instasll u can  serch chrome in ubuntu.

5.Install Git

git is usefull for programmer!

if u dot install git. u can use the command sudo apt-get install git to install it.

6.use python3.5 instead of python2.7

sudo apt-get instsall python3 -- install 
cd /usr/bin
sudo rm -rf python    --delete old 
sudo ln -s /usr/bin/python3.5 /usr/bin/python  -- replace and set py3.5 is default

　　

7.Install Django

sudo apt-get install python-pip　　//if u use python3 apt-get install python3-pip
sudo pip install Django -- pip install Django==1.11 

　　

8.Install MySql

sudo apt-get install mysql-server
sudo apt-get install mysql-client
sudo apt-get install libmysqlclient-dev	
sudo apt-get install python-dev
sudo apt-get install mysql-workbench

9.resolve error :E: Sub-process /usr/bin/dpkg returned an error code

sudo mv /var/lib/dpkg/info /var/lib/dpkg/info.bak //现将info文件夹更名
sudo mkdir /var/lib/dpkg/info //再新建一个新的info文件夹
sudo apt-get update
apt-get -f install xxx
sudo mv /var/lib/dpkg/info/* /var/lib/dpkg/info.bak
sudo rm -rf /var/lib/dpkg/info //把自己新建的info文件夹删掉
sudo mv /var/lib/dpkg/info.bak /var/lib/dpkg/info //把以前的info文件夹重新改回名字

11.Install sublime-text3

sudo add-apt-repository ppa:webupd8team/sublime-text-3

sudo apt-get update

sudo apt-get install sublime-text-installer

//uninstall sublime text ：

sudo apt-get remove sublime-text-installer

　　

10.Delete file/Directory

sudo rm xxFile
sudo rm -r xxDirectory

11.change authority

sudo chmod -R 777 xxdirectory/filename

 

 12.Install FlashPlayer

执行解压命令：tar -zxvf install_flash_player_11_linux.x86_64.tar.gz
sudo cp libflashplayer.so /usr/lib/firefox/browser/plugins
 执行命令：sudo cp -r usr/* /usr

安装完成，重启下firefox即可正常使用观看视频了。

 

12.Install