How to setup vim

Install vundle

vundle is a plugin manage tools for vim

git clone ~/.vim/bundle/Vundle.vim

Edit vim configure file

cat > ~/.vimrc <<EOF
set nocompatible              " be iMproved, required
filetype off                  " required
syntax on
" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
" alternatively, pass a path where Vundle should install plugins
"call vundle#begin('~/some/path/here')
" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'
" The following are examples of different formats supported.
" Keep Plugin commands between vundle#begin/end.
" plugin on GitHub repo
Plugin 'tpope/vim-fugitive'
" plugin from
" Plugin 'L9'
" Git plugin not hosted on GitHub
Plugin 'git://'
" git repos on your local machine (i.e. when working on your own plugin)
" Plugin 'file:///home/gmarik/path/to/plugin'
" The sparkup vim script is in a subdirectory of this repo called vim.
" Pass the path to set the runtimepath properly.
Plugin 'rstacruz/sparkup', {'rtp': 'vim/'}
" Install L9 and avoid a Naming conflict if you've already installed a
" different version somewhere else.
Plugin 'ascenator/L9', {'name': 'newL9'}
Plugin 'morhetz/gruvbox'
Plugin 'vim-airline/vim-airline'
Plugin 'vim-airline/vim-airline-themes'
" All of your Plugins must be added before the following line
call vundle#end()            " required
filetype plugin indent on    " required
" To ignore plugin indent changes, instead use:
"filetype plugin on
" Brief help
" :PluginList       - lists configured plugins
" :PluginInstall    - installs plugins; append `!` to update or just :PluginUpdate
" :PluginSearch foo - searches for foo; append `!` to refresh local cache
" :PluginClean      - confirms removal of unused plugins; append `!` to auto-approve removal
" see :h vundle for more details or wiki for FAQ
" Put your non-Plugin stuff after this line

Install Plugin


Enter :PluginInstall then wait for the installation process finished. then run the commands:

cat >> ~/.vimrc <<EOF
colorscheme gruvbox
set background=dark    " Setting dark mode
let g:gruvbox_contrast_dark='hard'
let g:airline_theme='simple'

Let vim support nginx syntax highlight

mkdir -p ~/.vim/syntax/
wget -O ~/.vim/syntax/nginx.vim
# /usr/local/etc/nginx/vhosts/* change it as you wish
echo "au BufRead,BufNewFile /usr/local/etc/nginx/vhosts/* set ft=nginx" >> ~/.vim/filetype.vim

Let vim remember last opened position

cat >> ~/.vimrc << EOF
" Uncomment the following to have Vim jump to the last position when                                                       
" reopening a file
if has("autocmd")
  au BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$")
    \| exe "normal! g'\"" | endif

Change tab to 4 space

cat >> ~/.vimrc <<EOF
set tabstop=4
set shiftwidth=4
set softtabstop=4
set expandtab