Windows install WSL--Ubuntu

The first step: install wsl

WSL (Ubuntu) seamlessly connects Ubuntu and Win10, allowing developers to easily use win10 and Ubuntu in the same system without using a virtual machine. You can use it instead of Cywin32 and babun.

• The latest version of win10 (updated in March 2018)

1. Open the update and security in the win10 settings, open the option for developers
2. Then open the Linux subsystem in programs and functions.
3. After restarting the computer, open the application store to search and download ubuntu18.04

• Old version of win10 or offline installation
  Refer to the following to install bash.
  http://www.cnblogs.com/VAllen/archive/2017/04/03/BashOnWindowsDownloadAndInstallError.html
  It is recommended to choose 16.04 ubuntu.
• Add ubuntu to quick access
  If you need to frequently operate ubuntu files in the win10 resource manager, then search the rootfs folder on the C drive, which is the storage location of ubuntu on win10.
  Drag and drop the rootfs folder to the explorer for quick access. (You can also add /home/your user folder under it)
• Get permission
  It may be invalid to operate ubuntu files directly in the win10 resource manager. This is because the default user of win10 is not a super administrator, and the permissions on ubuntu are read-only.
  You need to obtain all permissions of the rootfs folder. (You can use the "Mouse Manager" software to add menus, and the administrator can get all permissions)

Step 2: Install wsl terminal

wsl-terminal is a very useful WSL terminal.

• Download WSL:
  https://github.com/goreliu/wsl-terminal/releases
  Download failed, please try the previous version
• Add Open WSL Here to the right mouse button:
  In the wsl program directory, there is a tools directory, and run 1-add-open-wsl-terminal-here-menu in it. (To delete the script at the beginning of 1-remove)

Note: The latest version of windows needs to install wsl-terminal on a non-C drive

Step 3: Update the password of the root user##

Right-click on the desktop and select Open WSL Here to open Bash.

• Update root password:

sudo passwd

This step needs to enter the user password you created after downloading ubuntu

Step 4: Replace the software source (apt source and pip source)

The default apt source of the system is foreign, the downloading software is slow, and the pip source of python is also very slow. We all changed to the source of Alibaba Cloud.

• Replace apt source:

cd /etc/apt/sudo cp sources.list sources.list.bak && sudo vim sources.list

Delete all contents and replace with:

deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiversedeb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiversedeb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiversedeb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiversedeb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiversedeb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiversedeb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiversedeb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiversedeb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiversedeb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse

sudo apt updatesudo apt upgrade

• Modify the pip source:
  Create a pip configuration file:
  mkdir ~/.pip && vi ~/.pip/pip.conf
  Enter the following in the opened vim and save:

[ global]trusted-host=mirrors.aliyun.comindex-url=http://mirrors.aliyun.com/pypi/simple/

Step 5: Install zsh

Zsh allows you to search for previously entered commands by pressing the upper key on the keyboard.
For example, you can enter sudo and press the up arrow key, and the previously entered commands starting with sudo will appear.

• Install zsh:
  sudo apt -y install zsh
• Install oh-my-zsh:
  sh -c "$(curl -fsSL https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
• Let wsl-terminal start zsh by default:
  In the /etc of the wsl-terminal installation directory, modify the corresponding part in wsl-terminal.conf as

; shell=/bin/bashshell=/bin/zsh

If you are prompted that the file is read-only, take the first step to obtain permissions

Step 6: Install Vim plug and YouCompleteMe

Vim plug is a vim plug-in management tool, YCM is a very useful C and python code completion tool, and also supports other languages such as Go and Rust.

• Download Vim Plug:
  curl -fLo ~/.vim/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
• Add installation configuration in vimrc

vi ~/.vimrc

Add in it

" Specify a directory for pluginscall plug#begin('~/.vim/plugged')" Make sure you use single quotesPlug 'jiangmiao/auto-pairs'Plug 'davidhalter/jedi-vim',{'for':'python'}Plug 'Valloric/YouCompleteMe',{'for':'python'}"You can add plugins that have been manually installed"Plug '~/.vim/bundle/YouCompleteMe'" Initialize plugin systemcall plug#end()

Save and exit, and enter vi

vi

Press the : key to enter the command line, enter

PlugInstall

note:

YCM's python completion depends on jedi-vim

Because the YCM package has more than 200 M, it takes a long time to download.

Step 7: Compile YCM

After the installation is complete, a YCM server error is displayed. This is normal because ycm needs to manually compile the YCM core library.

1. Install dependencies required for YCM compilation
   sudo apt -y install cmake build-essential python3-dev
2. Switch to the YCM directory:
   cd ~/.vim/plugged/YouCompleteMe
3. Change the compilation to use python3 (skip this step when using python2.7):
   vi ./install.py
   Change the python at the end of the first line to python3
4. Compile YCM core:
   . /install.py

reference:
vim installs YouCompleteMe plugin, and python completion plugin jedi-vim

Step 8: Configure YCM

Only after YouCompleteMe is configured can it exert its powerful effects.

• Set YCM to use python3 support in vimrc:

" Python version setting, use python2.Remove the last number at 7 3let g:ycm_python_binary_path='/usr/bin/python3'"Syntax keyword completion let g:ycm_seed_identifiers_with_syntax=1"Start to list the matches from the second typed character let g:ycm_min_num_of_chars_for_completion=2"Minimum candidate identifier length let g:ycm_min_num_identifier_candidate_chars =5"Press Ctrl+All classes and functions will pop up directly with the space, you must first turn off the input method switch shortcut key let g in the system:ycm_key_invoke_completion = '<C-Space>'"Configuration file path let g:ycm_global_ycm_extra_conf='~/.vim/.ycm_extra_conf.py'"Put together the identifiers recognized by ycm and the grammatical keywords let g:ycm_seed_identifiers_with_syntax = 1"The text in comments and strings will also be included and completed, let g is closed by default:ycm_collect_identifiers_from_comments_and_strings=1"String input completion, input in the string.An error occurs when adding letters, let g is enabled by default:ycm_complete_in_strings=1

Unlike many vim plugins, YCM requires configuration. After vim is started, YCM will look for the current path and the .ycm_extra_conf.py of the upper path. A default template is provided in ~/.vim/bundle/YouCompleteMe/third_party/ycmd/examples/.
Copy the configuration file:
cp ~/.vim/plugged/YouCompleteMe/third_party/ycmd/examples/.ycm_extra_conf.py ~/.vim/

The ninth step python and pip configuration##

• Modify the default python3

sudo ln -s /usr/bin/python3 /usr/bin/pythonwget bootstrap.pypa.io/get-pip.py

• Install pip

sudo python get-pip.py

The tenth step is pypy3 installation and configuration (if you don't use pypy, please skip it)

• Download pypy3 and unzip
  Go to pypy official website to download pypy3.6-v7.0.0-linux64.tar.bz2, and then use the following command to decompress

tar -jxvf pypy3.6-v7.0.0-linux64.tar.bz2

Detailed decompression command

• After decompression, name the folder pypy3
• Move pypy3 to /usr/local/lib

sudo mv pypy3 /usr/local/lib/

• Establish a soft link to make it executable

sudo ln -s /usr/local/lib/pypy3/bin/pypy3 /usr/bin/pypy

• Install pip for pypy

sudo pypy get-pip.pysudo ln -s /usr/local/lib/pypy3/bin/pip /usr/bin/pipp

Note: You can also use commands like pip-pypy instead of pipp, this is just my personal habit

The eleventh step uses virtualenvwrapper virtual environment##

Usually different projects will use different library versions, and the virtual environment allows you to avoid the risk of damaging the system environment. virtalenvwrapper is based on virtualenv, but is more convenient.

• Install virtualenvwrapper

sudo pip install -U virtualenvwrapper

This will automatically install the dependent package virtualenv.

• After opening zshrc, adding environment variables, etc., restart the zsh terminal

vi ~/.zshrcexport PATH=/usr/local/lib/pypy3/bin:$PATHexport VIRTUALENVWRAPPER_PYTHON=/usr/local/lib/pypy3/bin/pypy3source /usr/local/lib/pypy3/bin/virtualenvwrapper.sh

• New virtual environment

mkvirtualenv -p /usr/local/lib/pypy3/bin/pypy3 env1

Created by default in the ~/. virtualenvs directory

• p specifies the version used when building, if you use the default python3, you can use
  mkvirtualenv env1

• Automatically select the virtual environment, add it at the end of zshrc

workon env1

Note: You can’t find virtualenvwrapper.sh, you can use the following command to find the script

sudo find /-path "/mnt"-prune -o -name virtualenvwrapper.sh -print

The twelfth step Vim syntax check and format code##

Syntastic is a grammar checking tool, it needs the support of flake8, and yapf is used to format python code.

• Install flake8 syntax check and yapf code formatting

sudo pipp install flake8 yapf

• Install syntastic in vimrc
  add in vimrc

Plugin 'vim-syntastic/syntastic'"(The following configuration is placed outside the vundle installation statement)"vimrc sets flake8 as a grammar checker let g:syntastic_python_checkers =['flake8']"Highlight error"let g:syntastic_enable_highlighting=1"Automatically jump to the first error or warning found"let g:syntastic_auto_jump =1"Yapf auto format shortcut keys"autocmd FileType python nnoremap <F8>:0, $!yapf<CR><CR>

After saving and exiting, use the PluginInstall command to install.

Yapf is only valid for py files. If there is a syntax error, garbled characters may appear. Press u to restore the py file.

The thirteenth step install MariaDB database##

MariaDB is a new branch of the author of MySQL, and CentOS has used MariaDB instead of MySQL by default.

• installation

sudo apt -y install mariadb-server python3-pymysql

• Restart the database to create a sock file

sudo service mysql restart

• Switch to the root user and enter the database

su -#Enter the password mysql

• Create a user at the mysql> prompt

# Create a user named: admin and password: admin. insert into mysql.user(Host,User,Password)values("localhost","admin",password("admin"));#Flush privileges;#Grant all permissions to the admin user GRANT ALL ON*.* TO 'admin'@'localhost';#Delete user and all permissions DROP USER account;

• Set alias in ~/.zshrc

alias db='sudo service mysql start'

• Note: MariaDB needs to create a database manually
• The default character set of mariaDB on Ubuntu is utf8mb4, which is compatible with utf-8 and does not need to be changed. Centos needs to set charset.

The fourteenth step: (only valid for me) modify the .vimrc, add molakai theme##

• Copy the configured vimrc
  cp /mnt/d/.vimrc ~/.vimrc

After using the old version of .vimrc, there is no color matching when entering vim.
This is because the configuration of vundle in vimrc is filetype off, just turn it off.
Turn on this option when you need to use vundle.

• Copy vim's molokai color scheme

mkdir -p ~/.vim/colors && cp /mnt/d/molokai.vim  ~/.vim/colors/molokai.vim

Restart the service and you're done.