sudo apt-get install openssh-server
sudo apparmor_status
sudo apt-get install apparmor-profiles
sudo apt-get install vsftpd
sudo apt-get install nfs-kernel-server
sudo apt-get install g++
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install apache2
sudo apt-get install samba
sudo smbpasswd -a chen131
sudo apt-get install postfix
sudo exportfs -ra
sudo apt-get install bind9
sudo apt-get install dovecot-common
sudo apt-get install cupsys
