This is the current setting. sudo apt-get install vim-gnome.

.vimrc

" vimrc に以下のように追記

" プラグインが実際にインストールされるディレクトリ
let s:dein_dir = expand('~/.cache/dein')
" dein.vim 本体
let s:dein_repo_dir = s:dein_dir . '/repos/github.com/Shougo/dein.vim'

" dein.vim がなければ github から落としてくる
if &runtimepath !~# '/dein.vim'
    if !isdirectory(s:dein_repo_dir)
        execute '!git clone https://github.com/Shougo/dein.vim'
        s:dein_repo_dir
    endif
    execute 'set runtimepath^=' . fnamemodify(s:dein_repo_dir, ':p')
endif

" 設定開始
if dein#load_state(s:dein_dir)
    call dein#begin(s:dein_dir)

    " プラグインリストを収めた TOML ファイル
    " 予め TOML ファイル（後述）を用意しておく
    let g:rc_dir    = expand('~/.vim/rc')
    let s:toml      = g:rc_dir . '/dein.toml'
    let s:lazy_toml = g:rc_dir . '/dein_lazy.toml'

    " TOML を読み込み、キャッシュしておく
    call dein#load_toml(s:toml,      {'lazy': 0})
    call dein#load_toml(s:lazy_toml, {'lazy': 1})

    " 設定終了
    call dein#end()
    call dein#save_state()
endif

" もし、未インストールのものがあったらインストール
if dein#check_install()
    call dein#install()
endif
syntax enable
syntax on
filetype on
filetype indent on
filetype plugin on


map <C-g> :Gtags 
map <C-h> :Gtags -f %<CR>
map <C-j> :GtagsCursor<CR>
map <C-n> :cn<CR>
map <C-p> :cp<CR>

set expandtab
set tabstop=4
set shiftwidth=4
set softtabstop=0

set number

nnoremap <ESC><ESC> :nohl<CR>

nnoremap s <Nop>
nnoremap sj <C-w>j
nnoremap sk <C-w>k
nnoremap sl <C-w>l
nnoremap sh <C-w>h
nnoremap sJ <C-w>J
nnoremap sK <C-w>K
nnoremap sL <C-w>L
nnoremap sH <C-w>H
nnoremap sn gt
nnoremap sp gT
nnoremap sr <C-w>r
nnoremap s= <C-w>=
nnoremap sw <C-w>w
nnoremap so <C-w>_<C-w>|
nnoremap sO <C-w>=
nnoremap sN :<C-u>bn<CR>
nnoremap sP :<C-u>bp<CR>
nnoremap st :<C-u>tabnew<CR>
nnoremap sT :<C-u>Unite tab<CR>
nnoremap ss :<C-u>sp<CR>
nnoremap sv :<C-u>vs<CR>
nnoremap sq :<C-u>q<CR>
nnoremap sQ :<C-u>bd<CR>
nnoremap sb :<C-u>Unite buffer_tab -buffer-name=file<CR>
nnoremap sB :<C-u>Unite buffer -buffer-name=file<CR>
set nocompatible
set clipboard=unnamedplus
set mouse=v

"Note: This option must be set in .vimrc(_vimrc).  NOT IN .gvimrc(_gvimrc)!
" Disable AutoComplPop.
let g:acp_enableAtStartup = 0
" Use neocomplete.
let g:neocomplete#enable_at_startup = 1
" Use smartcase.
let g:neocomplete#enable_smart_case = 1
" Set minimum syntax keyword length.
let g:neocomplete#sources#syntax#min_keyword_length = 3

" Define dictionary.
let g:neocomplete#sources#dictionary#dictionaries = {
    \ 'default' : '',
    \ 'vimshell' : $HOME.'/.vimshell_hist',
    \ 'scheme' : $HOME.'/.gosh_completions'
        \ }

" Define keyword.
if !exists('g:neocomplete#keyword_patterns')
    let g:neocomplete#keyword_patterns = {}
endif
let g:neocomplete#keyword_patterns['default'] = '\h\w*'

" Plugin key-mappings.
inoremap <expr><C-g>     neocomplete#undo_completion()
inoremap <expr><C-l>     neocomplete#complete_common_string()

" Recommended key-mappings.
" <CR>: close popup and save indent.
inoremap <silent> <CR> <C-r>=<SID>my_cr_function()<CR>
function! s:my_cr_function()
  return (pumvisible() ? "\<C-y>" : "" ) . "\<CR>"
  " For no inserting <CR> key.
  "return pumvisible() ? "\<C-y>" : "\<CR>"
endfunction
" <TAB>: completion.
inoremap <expr><TAB>  pumvisible() ? "\<C-n>" : "\<TAB>"
" <C-h>, <BS>: close popup and delete backword char.
inoremap <expr><C-h> neocomplete#smart_close_popup()."\<C-h>"
inoremap <expr><BS> neocomplete#smart_close_popup()."\<C-h>"
" Close popup by <Space>.
"inoremap <expr><Space> pumvisible() ? "\<C-y>" : "\<Space>"

" AutoComplPop like behavior.
"let g:neocomplete#enable_auto_select = 1

" Shell like behavior(not recommended).
"set completeopt+=longest
"let g:neocomplete#enable_auto_select = 1
"let g:neocomplete#disable_auto_complete = 1
"inoremap <expr><TAB>  pumvisible() ? "\<Down>" : "\<C-x>\<C-u>"

" Enable omni completion.
autocmd FileType css setlocal omnifunc=csscomplete#CompleteCSS
autocmd FileType html,markdown setlocal omnifunc=htmlcomplete#CompleteTags
autocmd FileType javascript setlocal omnifunc=javascriptcomplete#CompleteJS
autocmd FileType python setlocal omnifunc=pythoncomplete#Complete
autocmd FileType xml setlocal omnifunc=xmlcomplete#CompleteTags

" Enable heavy omni completion.
if !exists('g:neocomplete#sources#omni#input_patterns')
  let g:neocomplete#sources#omni#input_patterns = {}
endif
"let g:neocomplete#sources#omni#input_patterns.php = '[^. \t]->\h\w*\|\h\w*::'
"let g:neocomplete#sources#omni#input_patterns.c = '[^.[:digit:] *\t]\%(\.\|->\)'
"let g:neocomplete#sources#omni#input_patterns.cpp = '[^.[:digit:] *\t]\%(\.\|->\)\|\h\w*::'

" For perlomni.vim setting.
" https://github.com/c9s/perlomni.vim
let g:neocomplete#sources#omni#input_patterns.perl = '\h\w*->\h\w*\|\h\w*::'