1 實驗十：以 Linux 架設 Internet/Intranet 伺服 器 教師： 助教：

2 Outline  Background  Linux system  Popular Internet services  Internet services  Internet  HTTP  Database  Mail  FTP  Intranet  File  Installation

3 Background  Fedora Linux  UNIX-Like environment  Open source and FREE  Powerful networking functionalities  Frequently used as networking server  Popular Internet Services  WWW & FTP – Apache Web Server & vsFTPd Server  Database – MySQL Database Server  Mail – Sendmail  Network File System – Samba Server  Goal  Build a Linux server offering those services

4 Internet Services – HTTP & Database  Futures  HTTP  Interactive interface  Combine text, image, multimedia, and file  Programmable and can combine much application or services  Database  Client-Server coordination model  Multiple user and multiple connection  Provide database server functionality  Apache Web Server  A famous web server for UNIX-Like Systems  Open source and FREE  MySQL Database Server  A basic database server on UNIX-Like System  Provide open source and FREE edition

5 Internet Services - Mail  Futures  Can arrived after about 5 minutes  Qmail Mail Server  A free, small, easy to use mail server  Support SSL, POP3 Server

6 Internet Services - FTP  Futures  Quick, easy, and high efficient for file transmit  Text-base commands for control  Service mode  Active  Passive  Vsftpd FTP Server  Small for purposes of speed and security  Virtual IP configurations & Virtual users  Per-source-IP configurability and limits  Encryption support through SSL integration

7 Internet Services –File System  Futures  Share, access, or manage our data and devices  Easy to access remote resources  Usually using in local network (Intranet)  Can build a small group for a part of users  Samba File System  Bridge Windows file system and UNIX’s  Like a bridge between every computer  Also can bridge the printer or other devices

8 Installation – WWW & Database  Apache + SSL + PHP + MySQL  Install all the rpm files  Reboot computer and open the test website  Setup the root’s password of MySQL  Write a script file of php to test the MySQL  Configurations  httpd.conf – Configure file of Apache Web Site  Port 80  DocumentRoot "/var/www/html“  DirectoryIndex index.html index.htm  UserDir public_html

9 Installation – Qmail  Installation  Prepare all the source file  Create the required users and groups for Qmail  Compile and install the source code  Complete the configuration for system and each user  Stop the sendmail services and replace by Qmail  Setup the pop-3 service  Configurations  /var/qmail/control/me – host name of local host  /var/qmail/control/rcpthosts – mail forwarding parents  /var/qmail/control/locals – address of local areas  /var/qmail/badmailfrom – deny source address

10 Installation – vsftpd  Installation  Prepare the rpm file of vsftpd  Install it  Use ntsys program to enable the vsftpd service  Configurations  /etc/vsftpd/vsftpd.conf – main configuration file  /etc/pam.d/vsftpd – permission configure file  /etc/vsftpd/ftpusers – ftp user accounts

11 Installation – Samba  Installation  Prepare the rpm file of Samba client and server edition  Install it  Use ntsys program to enable the smb service  Modify ‘/etc/samba/smb.conf’ to set the authentication  Start the samba service and test by Windows’ station  Configurations  /etc/samba/smb.conf – configuration file  /etc/rc.d/init.d/smb – script file of server control  /etc/lmhosts – mapping file of NETBIOS name and ip address