Vim Editor

vi or vim is an editor which uses cli interface for editing files interactively.

Vim Configuration (~/.vimrc)

vi ~/.vimrc

" Basic settings
set number            " Show line numbers
set ruler             " Show line/column
set showcmd           " Show (partial) command in status line
set incsearch         " Incremental search
set hlsearch          " Highlight search matches
syntax on

" Colors and appearance
set t_Co=256          " 256-color support
set termguicolors     " True color support (for modern terminals)

• vim /etc/hosts # enables us to change the IP numbers of websites.

• ESC + q + Enter # to quit.
• yy # copy 1 row
• y4y # copy 4 rows
• p # paste
• dd # delete 1 row
• d3d # delete 3 rows
• i # insert
• :wq # save and quit
• :q! # cancel and quit

• :q # quit

• /etc/hosts: file content:

  • 127.0.0.1 localhost : Making a site unusable in your computer.
  • 127.0.0.1 mysite.com: Making a site unusable in your computer.
• /phrase/to/search + ENTER # to search anything in a document
  • Use N to search forward
  • SHIFT + N to search backward

On Terminal Connection Freeze

• ENTER + + # to close the connection

Example: Add Domain To Apache Config File

ssh root@IPADDRESS
ssh root@domain.name
ssh [user]@[server]
ls /etc/apache2/
ll /etc/apache2/.tr
ll /etc/apache2/sites-available/
cd /etc/apache2/sites-available/
sudo cp 000-default.conf mysite.com.conf
sudo vim mysite.com.conf
sudo a2ensite mysite.com.conf
sudo service apache2 restart
ping mysite.com
sudo vim /etc/hosts
ping mysite.com
sudo a2dissite mysite.com.conf
sudo service apache2 restart