How to configure Ubuntu Server 12.04 lts

The following are my articles about Ubuntu Server 12.04 lts that was I wrote a few years ago. You could to user and share to other without permit from me.

1. How to install ubuntu server 12.04 lts 
2. How to configure ip address on Ubuntu Server 12.04 lts 
3. How to install anda configure ssh server on Ubuntu Server 12.04 lts 
4. How to Install and configure dhcp server on Ubuntu Server 12.04 lts 
5. How to install and configure web server on Ubuntu Server 12.04 lts
6. How to install anda configure PHP5 on Ubuntu Server 12.04 lts
7. How to install anda configure Database Server and Phpmyadmin on Ubuntu server 12.04 lts
8. How to install and configure ftp server on Ubuntu Server 12.04 lts
9. How to install and configure dns server on Ubuntu Server 12.04 lts 
10. How to configure virtual host on Ubuntu Server 12.04 lts
11. How to install and configure mail server on Ubuntu Server 12.04 lts
12. How to install and configure squiremail on Ubuntu Server 12.04 lts
13. How to install and configure proxy server on Ubuntu Server 12.04 lts
14. How to make Ubuntu server 12.04 be Router and internet gateway
15. How to install and configure munin on Ubuntu Server 12.04 lts
16. How to implement ubuntu server 12.04 be firewall with portsentry