Install Samba4, LAMP, Sendmail etc in Ubuntu

Samba4 as a Domain Controller 

http://www.youtube.com/watch?v=5WKMtFyyxGI

Installing and configuring SAMBA in Ubuntu Linux 12.10 Server

http://www.youtube.com/watch?v=_ZSdaAC1ohU 

Linux Samba file sharing setup 

http://www.youtube.com/watch?v=P7lvuJdsrMY

(syncrhonize samba passwd and linux passwd with libpam-smbpass)

LAMP (Linux, Apache, MySQL, PHP) and Mail server tutorial 

http://www.youtube.com/watch?v=MrGD2X-sDQY

(a quick and easy tutorial by kevin)  

Installing and Configuring Sendmail in Ubuntu Server 12.10

http://www.youtube.com/watch?v=N_wBW9str1Y

A comprehensive tutorial from Server World 

(install NTP, SSH, Samba, DNS, DHCP, NFS, NIS, database, mail, proxy, LDAP and web server in ubuntu and CentOS) 

http://www.server-world.info/en/note?os=Ubuntu_12.04&p=install