Apache1.ppt

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  • As we all know, in the UNIX environment there are various flavors of this
    operating system. To name a few:
    IBM: AIX
    SUN: SOLARIS
    HP: HP-UX
    SILICON GRAPHICS: IRIX
    And there’s…………………...
  • Apache1.ppt

    1. 1. Presented by Lonnye Bower Fardin Khan Chris Orona APACHE WEB SERVER
    2. 2. Introduction Note: Images courtesy of apache.org
    3. 3. Introduction to Apache • Apache is a web server package that works under Linux as well as under other operating systems • The name Apache comes from the concept of extensive patching of existing code • The primary advantage of Apache is that it is generally free or available at modest costs
    4. 4. Installing Apache
    5. 5. Installing Apache From a CD-ROM • If your CD-ROM has Apache and you want to use RPM to install the package, issue this command – rpm –i apache_1_3_4.rpm (substitute the full name of the Apache package)
    6. 6. Installing Apache From a Download • Place the downloaded files in a location that will be dedicated to the Apache files, such as /usr/apache • Uncompress the files using either gzip or tar and compress • You must edit the configuration file – You can find more information about this in the Readme file
    7. 7. Installing Apache… (con’t) • Uncomment all the Modules in the configuration file except – cern_meta_module – msql_auth_module – dld_module • Choose either db_auth_module or dbm_auth_module; they should not be used together
    8. 8. Installing Apache… (con’t) • Create the configuration file for Linux by issuing the command – Configure • Compile Apache by issuing the make command – The most common error message encountered concerns the socket.h library, most likely because TCP/IP is not installed
    9. 9. Installing Apache… (con’t) • The result of the compilation will be a binary file called httpd • Copy this file into /bin or /usr/bin, where it will reside in the path
    10. 10. Setting Up the Website
    11. 11. Setting Up the Website • Create the home directory for the website, we will use /usr/www/ganesan • Create 3 subdirectories under the site directory – conf – htdocs – logs
    12. 12. Setting Up the Website (con’t) • You will find a subdirectory called conf under the directory where you installed Apache – Copy 3 files (srm.conf-didst, access.conf-dist, http.conf- dist) from this directory into /usr/www/ganesan/conf – If you cannot find the 3 files, use the find command to find them
    13. 13. Setting Up the Website (con’t) • Rename the 3 files you just copied to drop the “-dist” portion of the name • Edit the httpd.conf file to specify – the port number on which your web server responds – the user running the httpd daemon, etc… • Specify the server name – ServerName ganesan.com
    14. 14. Setting Up the Website (con’t) • Add a line that specifies the root directory for your website – DocumentRoot /usr/www/ganesan/htdocs • Edit the srm.conf file to set up the web home directory and any special internal command usage • Edit the access.conf file to set a basic set of access permissions
    15. 15. Setting Up the Website (con’t) • In the htdocs directory create an HTML file for the server to read when it starts – This can be any HTML file – The filename should be default.html • Start the httpd daemon – httpd –f /usr/www/ganesan/conf
    16. 16. Setting Up the Website (con’t) • Test the web server by starting a browser and specify the URL http://127.0.0.1/ • If the system is working properly, you will see a screen with a list of files in the htdocs directory
    17. 17. Server Configuration
    18. 18. Server Configuration • Make sure the ServerType directive is set to “standalone” • Check the Port device to make sure it is set to the TCP/IP port to which your Apache server listens • Set the User directive to either the user ID (UID) or the user name used for all web visitors
    19. 19. Server Configuration (con’t) • Set the Group directive to either the group ID (GID) or the group name assigned to all web users • Modify the ServerAdmin directive to include the e-mail address of the administrator • Set the ServerRoot directive to the absolute path to the directory where all Apache resource and configuration files are stored – /usr/apache/conf or /etc/httpd
    20. 20. Server Configuration (con’t) • Set the ServerName directive to the fully qualified domain name of your server
    21. 21. Starting and Stopping Apache
    22. 22. Starting and Stopping Apache • If you are running Apache as a standalone server, you need to start and stop Apache manually – Start with httpd –d rootdir –f configs – To stop Apache use ps to detect the httpd daemon’s PID and use the kill command to terminate the process
    23. 23. A Note on Starting and Stopping Apache • Later versions of Apache include a script that does the start and stop tasks for you
    24. 24. Virtual Hosting
    25. 25. Virtual Hosts • A virtual host is a web server that resides on one domain but acts as if it was on another. For example, suppose you control ganesan.com and cis454.com. Instead of setting up 2 servers, you can set up a single machine that serves both domains. • Virtual hosting saves on machinery and allows for a lot of flexibility in setting up web servers
    26. 26. Setting Up Virtual Hosting • If your network uses a name server for DNS, modify it so that the domain name points to your web server for each domain you’ll host • Use the ifconfig command to set up the IP address for each domain on your server – ifconfig eth0:1 xxx.xxx.xxx.xxx
    27. 27. Setting Up Virtual Hosting (con’t) • Add the route to the network configuration using the route command – route add –host xxx.xxx.xxx.xxx dev eth0:1 • Edit the Apache httpd.conf file to set up virtual hosting – <VirtualHost www.cis454.com> DocumentRoot /usr/www/cis454/htdocs TransferLog /usr/www/cis454/logs/access ErrorLog /usr/www/cis454/logs/errors </VirtualHost>
    28. 28. Setting Up Virtual Hosting (con’t) • The previous step defines the virtual host for cis454.com and specifies its DocumentRoot, since each virtual host will have different web directories • If more than one virtual host is defined, the entries are to be repeated for each
    29. 29. A Final Note • There are many more configuration options possible with Apache, but they are usually used for commercial sites that require authentication or special handling characteristics
    30. 30. Key Terms • Apache • conf • Server Name • Virtual Hosting • ifconfig
    31. 31. Apache Resources • For more information on Apache go to – www.apache.org – www.apacheweek.com – dev.apache.org
    32. 32. Thank You and Good Luck! If you have any questions regarding Apache and/or any part of this presentation, please feel free to email: Lonnye Bower at Lonnye@aol.com Chris Orona at corona@calstatela.edu Fardin Khan at Fardin24@aol.com

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