#!/bin/bash

#######################################
##                                   ##
##         firstboot script          ##
##            kvm-tools              ##
##                                   ##
#######################################


#  ****  configuration section  ****
sshgroup="sshusers"
user=$(cat /etc/passwd | grep 1000)
user=${user:0:$(($(echo `expr index "$user" :`)-1))}

#  ****  installing fortunes-ubuntu-server  ****
apt-get update
apt-get install -y fortunes-ubuntu-server


#  ****  motd  ****
echo 'if you want to have here something like this:
___.                 
\_ |__   _______  ___
 | __ \ /  _ \  \/  /
 | \_\ (  <_> >    < 
 |___  /\____/__/\_ \
     \/            \/.socialnerds.org

      socialnerds mail server

go to http://www.network-science.de/ascii/ and modify /etc/motd.tail
' > /etc/motd.tail

rm /etc/update-motd.d/10-help-text
rm /etc/update-motd.d/00-header
echo '#!/bin/bash' > /etc/update-motd.d/00-header
echo 'echo "Running Kernel: $(uname -r)"' >> /etc/update-motd.d/00-header
chmod +x /etc/update-motd.d/00-header


#  ****  ssh server config  ****
echo "
       __.-._
       '-._'7'
        /'.-c
        |  /T
       _)_/LI

   this machine is
   protected by a
 master of the force!
" > /etc/issue.net

sed -i 's/#Banner/Banner/' /etc/ssh/sshd_config
echo "" >> /etc/ssh/sshd_config
echo "# Restrictions added by firstboot.sh" >> /etc/ssh/sshd_config
echo "AllowGroups $sshgroup" >> /etc/ssh/sshd_config
echo "" >> /etc/ssh/sshd_config

addgroup $sshgroup
adduser $user $sshgroup


#  ****  end of script  ****
exit 0