Os commerce is an e-commerce software management software that can be used on a web server that has PHP and SQL. If you are looking to get a job in the software like OS commerce, you need to gain knowledge on performing security checks of the software, installation of the software, configure OS commerce with the domain, optimize OS commerce for the better performance. Wisdomjobs.com portal brings a good list of OS commerce job interview questions and answers to guide the job seeker to get the job in the desired company. Interview questions are framed here will help the job seeker establish an easy path for you to get the job and stand out of the crowd among the competitors.
Question 1. Html Text Has Priority Over An Image For The Banner?
Answer :
yes, HTML Text has priority over an image for the banner.
Question 2. By Default, Oscommerce Saves All Uploaded Image Files To The Images Folder?
Answer :
Yes, By default, osCommerce saves all uploaded image files to the images folder.
Question 3. Which Class Property Is An Array Containing One Or More Allowable File Upload Types?
Answer :
$extensions class property is an array containing one or more allowable file upload types.
Answer :
Yes, In the class method i.e set_extensions($extensions), $extensions can either be a string containing one extension type, or an array containing many extension types.
Question 5. How To Setup Oscommerce To Use Smtp?
Answer :
osCommerce could be setup to use the SMTP functionality inside its back-end, but there are some manual modifications needed in order to fully setup the SMTP functionality of this application.
Follow these steps to complete the setup:
Question 6. How To Secure Oscommerce?
Answer :
In order to secure OsCommerce please follow these steps:
Question 7. Oscommerce Security Check?
Answer :
If you have any doubts that your OsCommerce security has been compromised please follow these steps:
Question 8. What Are Oscommerce Admin Login Problems?
Answer :
If you cannot log into your OsCommerce admin area try the following:
Question 9. How To Optimize Oscommerce For Better Performance?
Answer :
osCommerce is one of the most popular free shopping cart applications currently available.
Here are some tips on how to improve the performance of your osCommerce shopping cart:
Question 10. How To Configure Oscommerce To Work With A New Domain?
Answer :
In order to configure osCommerce to work properly with another domain, you should modify the two configure.php files in includes/ and admin/includes/ folders to reflect the new domain.
The settings that should be changed in includes /configure.php are:
HTTP_SERVER - you should change this to your new domain name, e.g. http://newdomain.com:
define('HTTP_SERVER', 'http://newdomain.com');
HTTP_COOKIE_DOMAIN - again, this should be changed to reflect your new domain name:
define('HTTP_COOKIE_DOMAIN', 'newdomain.com');
If you are using SSL you should also modify:
HTTPS_SERVER - for example:
define('HTTPS_SERVER', 'https://newdomain.com');
HTTPS_COOKIE_DOMAIN - set this to:
define('HTTPS_COOKIE_DOMAIN', 'newdomain.com');
In admin/includes/configure.php you should modify:
HTTP_SERVER - you should change this to your new domain name, e.g. http://newdomain.com:
define('HTTP_SERVER', 'http://newdomain.com');
HTTP_CATALOG_SERVER - again, this should be changed to your new domain name:
define('HTTP_CATALOG_SERVER', 'http://newdomain.com');
If you are using SSL, you should also change HTTPS_CATALOG_SERVER to:
define('HTTPS_CATALOG_SERVER', 'https://newdomain.com');
Question 11. E-commerce Application Comparison: Oscommerce Vs Cre Loaded?
Answer :
In this we will list the most important pros and cons of osCommerce and CRE Loaded Standard. Hopefully, this will help you in your choice of a free shopping cart application.
CRE Loaded:
pros:
cons:
osCommerce:
pros:
cons:
Question 12. E-commerce Application Comparison: Oscommerce Vs Zen Cart?
Answer :
osCommerce and Zen Cart are two of the most popular free shopping cart solutions. But which one is better? Which one of these two would be more suitable for your needs. In this article we have tried to make a comparison between osCommerce and Zen Cart.
osCommerce:
pros:
cons:
Zen Cart:
pros:
cons:
Question 13. How Can I See The Exact Version Of My Oscommerce?
Answer :
In order to check the version of your osCommerce, you should open the includes/application_top.php file located in your osCommerce installation folder.
Look for these two lines:
// define the project version
define('PROJECT_VERSION', 'osCommerce Online Merchant v2.2 RC2a');
The value after PROJECT_VERSION defines your current osCommerce version.
Question 14. I’m Getting A 1054 Error In My Oscommerce After A Website/account Transfer?
Answer :
Sometimes, after a website or account transfer, your osCommerce may give a 1054 - Unknown column 'p.products_id' in 'on clause' error when browsing your products or when using the search tool.
The most common reason for this issue is that your account has been moved from a server running MySQL 4 to a server running MySQL 5.
As a solution, you can try applying this osCommerce contribution.
In most cases, this will resolve the 1054 problem. If, however, the problem persists, the best solution would be to have your account migrated to a server running MySQL 4.
Question 15. How To Transfer My Oscommerce From One Host To Another?
Answer :
Transferring your osCommerce application includes copying your files and database and modifying the two configure.php files in includes/ and admin/includes/ folders to work with the new server settings.
The most important settings which should be modified in includes/configure.php are:
Question 16. How To Add A Banner In Oscommerce?
Answer :
You can easily add a custom banner to your osCommerce shop from the application's admin area > Tools > Banner Manager.
Question 17. How To Generate The Necessary Certificates For Paypal Ipn?
Answer :
The PayPal IPN contribution for osCommerce offers OpenSSL public/private key encryption to securely send the order information to PayPal during checkout.
Here is information on how to generate the necessary certificates:
Question 18. How To Configure Oscommerce To Work With Ssl?
Answer :
In order to configure osCommerce to work with SSL you should open the file public_html/catalog/includes/configure.php and make the following changes:
define('HTTP_SERVER', 'http://www.yourdomain.com'); // eg, http://localhost - should not be empty for productive servers
define('HTTPS_SERVER', 'https://yourdomain.com'); // eg, https://localhost - should not be empty for productive servers
define('ENABLE_SSL', true); // secure webserver for checkout procedure
define('HTTP_COOKIE_DOMAIN', 'www.yourdomain.com');
define('HTTPS_COOKIE_DOMAIN', 'yourdomain.com');
define('HTTP_COOKIE_PATH', '/catalog/');
define('HTTPS_COOKIE_PATH', '/catalog/');
define('DIR_WS_HTTP_CATALOG', '/catalog/');
define('DIR_WS_HTTPS_CATALOG', '/catalog/');
Similar to the above changes have to be made in the file public_html/catalog/admin/includes/configure.php which is responsible for the admin area configuration.
In the above example we are configuring an osCommerce installation in the catalog directory with domain yourdomain.com. You should adjust the above settings to your details.
Question 19. How To Install Ecommerce On My Hosting Account?
Answer :
By default all Siteground accounts come with no pre-installed applications. An Ecommerce pack may include several features and most often begins with an OsCommerce, a CreLoaded or a Zencart installation.
Question 20. Oscommerce Does Not Use The Private Ssl?
Answer :
After purchasing your private SSL you have to manually reconfigure your application to use it.
Question 21. Zencart / Oscommerce / Creloaded Shows Security Warnings.?
Answer :
After a ZenCart / osCommerce / CRELoaded installation you may receive the following warning:
"Warning: I am able to write to the configuration file: /home/user/public_html/includes/configure.php. This is a potential security risk..."
In order to fix this issue you can follow these steps:
Question 22. How To Install A Different Template To An Existing Oscommerce?
Answer :
osCommerce does not support a template installer option, as Joomla CMS or phpBB forum do, for instance. Installing a new template for osCommerce is actually a new installation of the osCommerce files.
The installation of the template will not affect your database which means you will not lose your data and products.
Question 23. What We Do If The Requested Url /account.php Was Not Found On This Server?
Answer :
This issue is most commonly caused by incorrectly configured SSL settings for your OS Commerce. If you don not have private SSL and your OS Commerce is enabled you will receive this error.
Enabling/disabling SSL in osCommerce is quite straightforward. You have to edit /includes/configure.php to disable SSL and the code takes care of the rest. This is an example of SSL enabled configuration:
// Define the webserver and path parameters
// * DIR_FS_* = Filesystem directories (local/physical)
// * DIR_WS_* = Webserver directories (virtual/URL)
define('HTTP_SERVER', 'http://www.yourdomain.com'); // eg, http://localhost - should not be empty for productive servers
define('HTTPS_SERVER', 'https://yourdomain.com'); // eg, https://localhost - should not be empty for productive servers
define('ENABLE_SSL', true); // secure webserver for checkout procedure?
define('HTTP_COOKIE_DOMAIN', 'www.yourdomain.com');
define('HTTPS_COOKIE_DOMAIN', 'yourdomain.com');
define('HTTP_COOKIE_PATH', '/catalog/');
define('HTTPS_COOKIE_PATH', '/catalog/');
define('DIR_WS_HTTP_CATALOG', '/catalog/');
define('DIR_WS_HTTPS_CATALOG', '/catalog/');
In order to disable the SSL you will have to replace
define('ENABLE_SSL', true);
with
define('ENABLE_SSL', false);
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