diff --git a/.gitignore b/.gitignore
old mode 100755
new mode 100644
diff --git a/install-debian.sh b/install-debian.sh
old mode 100755
new mode 100644
index 4ecf7b9..fcf007b
--- a/install-debian.sh
+++ b/install-debian.sh
@@ -4,7 +4,7 @@
 # This script can be called multiple times
 # Copyright (C) 2018 Andreas Fendt - All Rights Reserved
 # Permission to copy and modify is granted under the MIT license
-# Last revised 28.04.2018
+# Last revised 28.12.2018
 
 script=/tmp/install-script
 cat > $script << 'EOL'
@@ -61,7 +61,7 @@ apt-get dist-upgrade -y
 apt-get autoclean -y
 
 # install default packages
-apt-get install -y fonts-powerline python-pip zsh sudo mc tree pv vim bash-completion wget git htop iotop iftop nmon apt-file aptitude hexedit tmux
+apt-get install -y apt-file aptitude bash-completion dialog fonts-powerline git hexedit htop iftop iotop mc nmon pv python-pip sudo tmux tree vim wget zsh
 pip install git+https://github.com/jeffkaufman/icdiff.git
 
 # get users
@@ -75,7 +75,7 @@ for user in $users; do
 
     # run install and configuration scripts
     for target in install-ohmyzsh install-fzf configure-vim; do
-        su -c "$script $target" -s /bin/bash $user
+        su -l -c "$script $target" -s /bin/bash $user
     done
 done
 
diff --git a/unattended-upgrades.sh b/unattended-upgrades.sh
old mode 100755
new mode 100644