Cgi Script Error Log
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Cgi Scripting Language
takes a minute: Sign up How can I troubleshoot my Perl CGI script? up vote 85 down vote favorite 55 I have a Perl script that isn't working and I don't know how to start narrowing down the problem. What
Cgi Scripting Python
can I do? Note: I'm adding the question because I really want to add my very lengthy answer to Stackoverflow. I keep externally linking to it in other answers and it deserves to be here. Don't be shy about editing my answer if you have something to add. perl cgi share|improve this question edited Jan 29 '10 at 20:53 community wiki 2 revsbrian d foy 2 @Evan - this claim is incorrect - it is simply a matter of rep. apache cgi error log I think this should have remained without CW, but I'm glad the OP has some decent answers. –Marc Gravell♦ Feb 4 '10 at 5:33 @Marc, at the time the question was not CW, so we couldn't edit it, now that the OP, and the person with the answer (which he disclaimed in the question) has marked both as CW I can edit it. –Evan Carroll Feb 4 '10 at 16:17 5 @Evan - my point is simply that even as non-CW it still is editable - if you have enough karma; 100 for CW, 2k otherwise. So now you have 2060 you should be able to edit non-CW posts. –Marc Gravell♦ Feb 4 '10 at 16:39 Ah, I didn't know the magic point was at 2000 exp –Evan Carroll Feb 4 '10 at 17:41 1 @Evan, the magic points are listed in the tooltips in the right-hand column here: stackoverflow.com/privileges –cjm Nov 28 '10 at 21:01 | show 1 more comment 8 Answers 8 active oldest votes up vote 107 down vote accepted This answer is intended as a general framework for working through problems with Perl CGI scripts and originally appeared on Perlmonks as Troubleshooting Perl CGI Scripts. It is not a complete guide to every problem that you may encounter, nor a tutorial on bug squashing. It is just the culmination of my experience debugging CGI scripts for ten (plus!) years. Th
Module Identifier:cgi_module Source File:mod_cgi.c Summary Any file that has the handler
Shell Script Error Log
cgi-script will be treated as a CGI script, and run bash script error log by the server, with its output being returned to the client. Files acquire this handler php script error log either by having a name containing an extension defined by the AddHandler directive, or by being in a ScriptAlias directory. For an http://stackoverflow.com/questions/2165022/how-can-i-troubleshoot-my-perl-cgi-script introduction to using CGI scripts with Apache, see our tutorial on Dynamic Content With CGI. When using a multi-threaded MPM under unix, the module mod_cgid should be used in place of this module. At the user level, the two modules are essentially identical. For backward-compatibility, the cgi-script handler will http://httpd.apache.org/docs/current/mod/mod_cgi.html also be activated for any file with the mime-type application/x-httpd-cgi. The use of the magic mime-type is deprecated. Topics CGI Environment variables CGI Debugging Directives ScriptLog ScriptLogBuffer ScriptLogLength Bugfix checklisthttpd changelogKnown issuesReport a bugSee also AcceptPathInfo Options ExecCGI ScriptAlias AddHandler Running CGI programs under different user IDs CGI Specification Comments CGI Environment variables The server will set the CGI environment variables as described in the CGI specification, with the following provisions: PATH_INFO This will not be available if the AcceptPathInfo directive is explicitly set to off. The default behavior, if AcceptPathInfo is not given, is that mod_cgi will accept path info (trailing /more/path/info following the script filename in the URI), while the core server will return a 404 NOT FOUND error for requests with additional path info. Omitting the AcceptPathInfo directive has the same effect as setting it On for https://www.a2hosting.com/kb/developer-corner/apache-web-server/troubleshooting-cgi-scripts HOSTING DEDICATED HOSTING COMPARE SERVERS UNMANAGED SERVERS MANAGED SERVERS CORE SERVERS SOLUTIONS Search Knowledge Base Home » Knowledge Base » Developer Corner » Apache web server » Here How to troubleshoot CGI scripts This http://help.cs.umn.edu/web/cgi-faq article lists troubleshooting steps you can take to determine why a CGI script is not working. Table of Contents
Troubleshooting CGI scripts Step #1: Verify script file permissions Step #2: Verify the shebang Step error log #3: Run the script from the command line Step #4: Check web server error logs Step #5: Open a ticket with the Guru Crew Troubleshooting CGI scripts If you have a CGI (Common Gateway Interface) script that is not working, you can follow these troubleshooting steps: Step #1: Verify script file permissions A2 Hosting's shared web servers run CGI scripts under your user ID. If a CGI script does script error log not run, one of the most common causes is that the execute permission is not set on the file. Make sure that the CGI script file has the correct permissions set: For more information about file permissions for Perl script files, please see this article. Step #2: Verify the shebang Make sure the CGI script file uses the correct shebang. CGI script files must start with the correct shebang, or else the Apache web server will not know how to run the file. For more information about the shebang and how to use it, please see this article. Step #3: Run the script from the command line Trying to debug a CGI script through a web browser is often a frustrating process. For example, if you receive a "500 Internal Server Error", the root cause could be file permissions, a syntax error, or something else entirely. You can obtain much more useful information about script errors by logging in to your SSH account and running the script from the command line. Step #4: Check web server error logs The web server's error log may contain valuable information about why a CGI script is not running. Scripts that cause a "500 Internal Server Error" orHome CSE Directory Give to CSE Student Dashboard CS&E Help Pages AccountsAccount Configuration Disk Usage Quotas Policies Passwords CS&E Wiki Course ResourcesMoodle E-mailCS&E Webmail Email Clients Mailing Lists Procmail Hardware and Media Network and Wireless Offsite AccessSSH Graphical Access Transferring Files VPN Connections Mounting a Windows Home Directory IP Not In DNS PrintingPrint Quotas UNIX Printing Windows Printing Printing in Walter 103 Graduate Student Printers Office Color Printing Poster Printer Printing From a Laptop Security SoftwareAccessing UNIX Software Accessing Windows Software OpenGL/Mesa/GLUT Revision Control SystemsCVS Subversion GIT Gnome Lock Files Web DevelopmentHome Page Creation htaccess PHP Tutorial CGI Tutorial CGI FAQ Apache Error Logs Web Server Statistics Computer Science & Engineering Help Pages Home » Web Development » CGI FAQCGI Frequently Asked Questions CGI FAQ Contents What Perl path should I have at the top of my script? What Python path should I have at the top of my script? Why won't my Python .py file execute? How should permissions be set on my CGI script? Do the owner and group of my CGI script matter? How can I tell if my CGI script is producing the correct output? Where can I find the Apache error logs? What else can I do if I'm still getting Internal Server Errors? What do I do if I get an error when I try to run a script on my Windows computer? What Perl path should I have at the top of my script? Your Perl CGI script should begin with: #!/usr/bin/perl -w What Python path should I have at the top of my script? Your Python CGI script should begin with: #!/soft/python-2.7/bin/python Why won't my Python .py file execute? The way our server is configured, you need to name your executa