To install on Ubuntu (everything):

curl -O https://raw.githubusercontent.com/david542542/.vim/master/install.sh && sudo chmod a+x install.sh && ./install.sh && . ~/.bash_profile

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On CentOS (vim-only):

# https://phoenixnap.com/kb/how-to-install-vim-centos-7
$ sudo yum install gcc make ncurses ncurses-devel
$ sudo git clone https://github.com/vim/vim.git
$ cd vim
$ sudo ./configure --with-features=huge --enable-multibyte --enable-pythoninterp
$ sudo make
$ sudo make install

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As a last resort (vim-only):

sudo apt-get install vim-gtk