Tag: vim

  • Set vim as default cronjob editor

    Method 1

    vi /etc/bashrc

    Find

    export EDITOR="pico"
export VISUAL="pico"

    Replace with

    export EDITOR="vi"
export VISUAL="vi"

    Method 2

    edit .bash_profile

    vi /root/.bash_profile

    Add

    export VISUAL=vi

    Once added, .bash_profile will look like

    root@server54 [~]# cat .bash_profile
# .bash_profile

# Get the aliases and functions
if [ -f ~/.bashrc ]; then
        . ~/.bashrc
fi

# User specific environment and startup programs

PATH=$PATH:$HOME/bin

export VISUAL=vi
export PATH
unset USERNAME
uptime
root@server54 [~]#

    Method 3

    If you need it done one time only, run following commands on command prompt.

    VISUAL=vi; export VISUAL

  • Install vim from source on CentOS

    To install vim from source on the CentOS server, run

    yum -y install  ncurses-devel
cd /usr/local/src
wget https://github.com/vim/vim/archive/master.zip	
unzip master.zip
cd vim-master/src/
./configure
make
make install

    This will install the latest version of Vim. You can start it with the command

    vim

    To get it work with “vi” command, i removed preinstalled vim editor with command

    rpm -e --nodeps  vim-minimal

    Now create a symlink with

    ln -s /usr/local/bin/vim /bin/vi

  • Show line number in vim

    To show line number in vim, use command

    :set number

    To hide numbers, type

    :set nonumber

    To always show line number, edit file

    vi ~/.vimrc

    Add

    set number

  • Comment multiple lines in vim

    To comment multiple lines in vim, first select the line in visual mode.

    To change mode to visual mode, type

    v

    Now use j/k keys to select lines of text you need to comment.

    To comment

    To comment, use :norm command.

    :norm i#

    This will insert # to start of every line.

    When you type :norm, in visual mode, you will see 

    :'<,'>norm i#

    Uncomment

    To uncomment, select the lines in visual mode. Then run

    :norm x

    this will delete first chars from every selected lines.

    Method 2

    You can use CTRL + V, this will select first char only.

    To comment

    1) Get into VISUAL_BLOCK mode by pressing CTRL + V
    2) use j/k keys to select lines to comment.
    3) Press SHIFT + I, now type #
    4) Press ESC

    To uncomment

    1) Get into VISUAL_BLOCK mode by pressing CTRL + V
    2) use j/k keys to select lines to comment.
    3) Press x

  • vim

    Vim 8 goes Visual Mode on right click
    vim E509: Cannot create backup file (add ! to override)
    Install vim from source on CentOS

    Using vim

  • Vim 8 goes Visual Mode on right click

    Vim 8 shipped with Fedora 25 and Debian 9 when you mouse right click or use middle button to insert text to vim editor, it just go VISUAL mode.

    This is because default changes in Vim 8.

    Solution 1

    The solution is to press SHIFT key before using mouse.

    SHIFT + right mouse button = you will get paste option for copied text.

    SHIFT + middle mouse button (press mouse wheel) = selected text will be pasted to vim.

    SHIFT + INSERT = paste.

    Solution 2

    use vim.tiny, this can be activated by running

    update-alternatives --config vi

    Example

    root@debug-instance:~# update-alternatives --config vi
There are 3 choices for the alternative vi (providing /usr/bin/vi).

  Selection    Path                Priority   Status
------------------------------------------------------------
* 0            /usr/bin/nvim        30        auto mode
  1            /usr/bin/nvim        30        manual mode
  2            /usr/bin/vim.basic   30        manual mode
  3            /usr/bin/vim.tiny    15        manual mode

Press  to keep the current choice[*], or type selection number: 3
update-alternatives: using /usr/bin/vim.tiny to provide /usr/bin/vi (vi) in manual mode
root@debug-instance:~#

    Solution 3

    Run command

    :set mouse-=a

    to make this permanent, edit ~/.vimrc file, add

    set mouse-=a

    See vi