 CGI & Server
Side Includes
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1. Where is my CGI-BIN?
You can execute CGI & Perl scripts from any location inside of your web
space. Many people create a directory called 'cgi-bin' and store all of
their
cgi scripts
inside it to keep track of them.
2. Can I execute custom CGI scripts on my web site? Yes, you can install almost any CGI script you can get hold of. We provide
access to the standard Perl 5 libraries and modules.
3. How do I use Server Side Includes? Use the #include directive to include files into your current html document.
The "file=" or "virtual=" elements can both be used. You
should choose Virtual as we use an Apache web server. (This is the default choice
in Dreamweaver.) In Apache, Virtual works in all cases, while File works only
in some cases. For example, let's say you were trying to include extra.html into news.html.
Both documents exist in a directory called "docdir" in your main htdocs
area. < !--#include file="extra.html" -->
< !--#include virtual="/docdir/extra.html" --> Give the file a filename that ends in ".shtml" to tell the server
to interpret your SSI.
4. How should I set file permissions in a Perl script? Very often permissions are set very leniently in order to avoid any permissions
problem. This is not a good idea. Your Perl scripts should have the appropriate
permissions depending on the function of that particular script. First, all scripts should be set to the owner (you) having read, write and
execute privilege (rwx) regardless of the function of the Perl script. Next, you should ask yourself if you want people (visitors) to your website
to be able to execute the Perl script. This is most likely the case. Under these
conditions, your script would be set to world readable and executable (r-x).
Do NOT give the world write permission on the Perl script. It is not necessary
and may lead to problems. If your script is not going to be executed through the web and only you will
be executing the script through Telnet (there are various reasons for having
a script operate under these conditions), then you set the script to no world
permissions (---). The group permissions should be set to read and executable (r-x) if the script
is to be executable via the web. Otherwise, set your group permissions to nothing
(---). With this information, you have the following permissions breakdown: Executed via the web by anyone: chmod 755
Executed by only yourself thought the command line: 700 Often times, a Perl script will open a file for writing. This is the case in
guestbooks and bulletin boards, where the information is received from the form
and written to a certain file. The permissions of this particular file are very
important. Finally, never set your file permissions to rwxrwxrwx, or chmod 777. This is
not necessary and may cause a security problem on your website.
5. How do I set up crontabs?
Just send an email to enquiries@mickwood.com with the following information:
1 - The full path to the script(s) you need executed.
2 - The time(s) you need it (them) executed.
6. What is the location of sendmail? The location of sendmail is /usr/sbin/sendmail
7. How do I chmod my scripts? 1
- Use your filemanager at www.yourdomain.com/fileman/fileman.cgi
2 - In Dreamweaver (my preference) You need to downlaod and install the 'set
permissions' extension from the Macromedia
Exchange. Once installed you simply right-click on the file in the remote directory,
select 'Set Permissions', and either tick the relevant boxes or type directly
into the permissions field.
3 - In CuteFTP
When connected to your site right click on the file you want to chmod,
click 'CHMOD' from the popup menu, set the permissions and then click
OK.
4 - In WSFTP Highlight the file, right click the file and select CHMOD from the pop-up menu,
select any of the options and click the OK button.
8. What is the path to my site? /home/username/public_html Your username is generally (but not always) the first 8 letters of your domain name. Check your welcome letter for your actual username.
9. What is the path to the date program? /bin/date
10. What is the location of the Perl 5 libraries? When using Perl/GGI scripts make sure that the first line of your Perl/CGI
script has the following: #!/usr/bin/perl Occasionally you may need to put the following (depending on the script): #!/usr/bin/perl --
11. How do I install a perl module that mickwood.com
does not have installed?
Since you do not have admin access to install perl modules, just send
an email to enquiries@mickwood.com with the name of module that you need
installed.
One of our support staff will install the perl module for you.
12. Where is the best place to download CGI
scripts?
Three excellent places to download CGI scripts are:-
http://www.cgi-resources.com
http://www.hotscripts.com
http://nms-cgi.sourceforge.net
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