A presentation to introduce students to the server capabilities of Ubuntu in an intranet setting.

1. Ubuntu for Intranet Services This work is licensed under the Creative Commons Attribution-Share Alike 3.0 Philippines License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/ph/ or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA. By Dominique Gerald Cimafranca [email_address]

4. Ubuntu Guide http://doc.ubuntu.com/ubuntu/serverguide/C/index.html

6. Intranet Configurations Single Site Multi-Site

7. Intranet / Internet Setup A Internet Router / Switch

8. Intranet / Internet Setup B Internet Router Switch

13. DNS queries Who is www.internal.com? Who is www.external.com? Who is www.external.com? It's 54.189.12.11. It's 192.168.11.1. It's 54.189.12.11.

14. Example DNS zone file ; ; BIND data file for local loopback interface ; $TTL 604800 @ IN SOA ns.example.com. root.example.com. ( 2 ; Serial 604800 ; Refresh 86400 ; Retry 2419200 ; Expire 604800 ) ; Negative Cache TTL ; @ IN NS ns.example.com. @ IN A 127.0.0.1 ns IN A 192.168.1.10 www IN A 192.168.1.11

17. DHCP interaction D'oh! My MAC address is 48:24:AC:33:03:21. Who am I supposed to be? You are 192.168.11.15. Your DNS server is 192.168.11.1. Your default gateway is 192.168.11.254.

19. Sample DHCP configuration file # Sample /etc/dhcpd.conf # (add your comments here) default-lease-time 600; max-lease-time 7200; option subnet-mask 255.255.255.0; option broadcast-address 192.168.1.255; option routers 192.168.1.254; option domain-name-servers 192.168.1.1, 192.168.1.2; option domain-name "mydomain.example"; subnet 192.168.1.0 netmask 255.255.255.0 { range 192.168.1.10 192.168.1.100; range 192.168.1.150 192.168.1.200; }

22. MTA operation This message is meant for buboy@internal.com. Cool. I'll keep it in his mailbox here. This message is meant for gaga@external.com. Okay. I'll send it to the mail server of external.com.

23. How about email from outside? External Mail Server Internal Mail Server Okay. I'll keep it here. This message is meant for buboy@internal.com. Fetchmail It's 9:00. I'm collecting all the email you got.

26. Evolution

27. SquirrelMail

30. File-and-Print Services Samba

41. Firestarter

43. Web / FTP / CMS ...you know about this already...

45. Webmin

48. Google Apps

51. Questions?

52. Ubuntu for Intranet Services This work is licensed under the Creative Commons Attribution-Share Alike 3.0 Philippines License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/ph/ or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA. By Dominique Gerald Cimafranca [email_address]