Install and configure sftp server on Ubuntu Server

Install VSFTPD 

sudo apt-get install vsftpd

Configuring VSFTPD.

open /etc/vftpd.conf file

Uncomment the following lines ;

write_enable=YES
local_umask=022 
chroot_local_user=YES  

Add the following line at the end of the file.

allow_writeable_chroot=YES

Install OS through network using microsoft WDS server

PXE boot is the new trend, actually not new it has a very old history. Any way PXE (Pre-Execution Environment) is the way to boot PCs over network. Using this we can install OSs via network which make easier to network administrators, specially IT lab setup guys. Because when we going to install OS/OSs in several hundreds of PCs that's going to be a hard situation if we are using DVDs or USB booting. When we use PXE boot to install OSs we just have to go to the PC and boot it from PXE network boot and the rest of the thing going to be the same as a normal OS installation.

Windows Server had make it easier. Using WDS (Windows Deployment Service) we can select our installation image using installation media and just using few clicks we can install OS in to a PC using PXE. There is a more featured application for windows Server which is System Center gives you some elevation doing system administration, but here we are going to talk about a tool which bundled with System Center.

So here is the steps.