diff --git a/.gitmodules b/.gitmodules
index 5443050e..fa24240e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -59,3 +59,6 @@
 [submodule ".vim/bundle/YouCompleteMe"]
 	path = .vim/bundle/YouCompleteMe
 	url = https://github.com/Valloric/YouCompleteMe.git
+[submodule ".vim/bundle/ack.vim"]
+	path = .vim/bundle/ack.vim
+	url = https://github.com/mileszs/ack.vim.git
diff --git a/.vim/bundle/ack.vim b/.vim/bundle/ack.vim
new file mode 160000
index 00000000..0a7d28bf
--- /dev/null
+++ b/.vim/bundle/ack.vim
@@ -0,0 +1 @@
+Subproject commit 0a7d28bfb130696f73d122cac99d8903e066c896
diff --git a/.vimrc b/.vimrc
index ec65ce89..8b56bfa8 100755
--- a/.vimrc
+++ b/.vimrc
@@ -59,6 +59,11 @@ let g:airline_powerline_fonts = 1
 let g:airline#extensions#tabline#enabled = 1
 
 
+" plugins: ag/ack
+if executable('ag')
+  let g:ackprg = 'ag --vimgrep'
+endif
+
 " appearance
 set number
 set relativenumber
diff --git a/fedora/configure_fresh_system b/fedora/configure_fresh_system
index 2f269ec5..c6a7f6a5 100755
--- a/fedora/configure_fresh_system
+++ b/fedora/configure_fresh_system
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #software and shell
-sudo dnf -y install vim tmux atop zsh thunderbird thunderbird-enigmail thunderbird-lightning firefox aria2 gajim lm_sensors freecad python3-pip qt5-qtbase-devel qt5-qtwebkit-devel meld whois curl pv tor torsocks nodejs npm terminator gsmartcontrol python-pip mercurial python-devel libxslt-devel libjpeg-turbo-devel conky conky-manager redshift redshift-gtk cmake gtk2-devel intltool gparted wine solaar glances mplayer
+sudo dnf -y install vim tmux atop zsh thunderbird thunderbird-enigmail thunderbird-lightning firefox aria2 gajim lm_sensors freecad python3-pip qt5-qtbase-devel qt5-qtwebkit-devel meld whois curl pv tor torsocks nodejs npm terminator gsmartcontrol python-pip mercurial python-devel libxslt-devel libjpeg-turbo-devel conky conky-manager redshift redshift-gtk cmake gtk2-devel intltool gparted wine solaar glances mplayer the_silver_searcher
 FEDORA_VERSION=`rpm -E %fedora`
 sudo dnf -y install http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$FEDORA_VERSION.noarch.rpm
 sudo dnf -y install http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$FEDORA_VERSION.noarch.rpm