Checking Drupal's requirements
Video: Checking Drupal's requirementsChecking Drupal's requirements provides you with in-depth training on Web. Taught by Tom Geller as part of the Drupal 6 Essential Training
Checking Drupal's requirements provides you with in-depth training on Web. Taught by Tom Geller as part of the Drupal 6 Essential Training
Drupal is a free, open-source content management system (CMS) for a variety of platforms. It has a robust user community and easy-to-use administration features. Drupal Essential Training covers all the important aspects of installing, configuring, customizing, and maintaining a Drupal-powered website. Instructor Tom Geller explores blogs, discussion forums, member profiles, and other features while demonstrating the steps required to make Drupal perform. He also teaches fundamental concepts and skills along the way, including installation, backups, and updates; security and permissions; flexible page layouts and CSS; menu navigation; and performance monitoring and disaster recovery. He also discusses how to select and install the community-supported modules that further expand Drupal's capabilities, and gives experienced PHP programmers tips on customizing page templates. Example files accompany the course.
- Understanding the inner workings of Drupal
- Creating stories, pages, blogs, forums, and polls
- Managing users and comments
- Setting and customizing themes
- Exchanging content via RSS
- Stopping comment spam with a CAPTCHA
- Launching a site and joining the Drupal community
Checking Drupal's requirements
Let's assume that you have decided that Drupal is right for you, but are you right for Drupal? Do you have everything it needs? Drupal isn't a demanding partner but it does require some technical knowledge resources from you. This video will show what those requirements are and how to get those that you don't already have. First let's start with those things that are useful to know. Not the things that you need to know but the things that are useful to know. HTML is first and foremost because you will be using it to post content. However, there are also rich text editors that are available, that make it less necessary for you to know HTML.
The programming language PHP is also very useful to have, that will let you change themes that you have and perhaps eventually add your own functions via modules. Third, it's useful if you know the database language SQL. With SQL you will be able to go in and change things directly in the database in case your Drupal installation is starting to have problems. Fourth of all, it's helpful if you have some system administration abilities because you may have to move files to and from the server, you may have to change permissions on the server and so forth. But what you need to know to run Drupal? Not much.
Aside from the four things that are useful to know Drupal is a pretty self-contained system and you can do everything that you need through its web interface. Aside from knowledge requirements Drupal does have some technical requirements for installation. First of all, if you are working on a remote server you will need an FTP program that is File Transfer Protocol. There are many of these available in the market and many of them are free. Secondly, you will need access to a server, which allows you to make directories. Because you are going to be putting your Drupal installation and it's reporting files into different directories or folders on that server.
Third of all, you have to also be able to change permission levels on that server. So if for example, Drupal needs to write information to a certain file you have to be able to change that file so that Drupal is allowed to write to that file. Fourth of all, I recommend that you get some sort of server where you have access via the Shell. The Shell is the command line access system that lets you type things in instead of using a graphical interface. There are many things that are possible on the server only through a command line interface. There are four things that Drupal needs already installed on the server. First and foremost of these, and this should be obvious is a Web Server. Apache is the one that's preferred by Drupal, although it is possible to do using Microsoft IIS and it might be possible using other web servers.
However, Apache is the one that's most discussed in drupal.org and within the Drupal project, so if you have any problems you will be better off running Apache since more people will be able to help you. You will need an SQL server. The preferred one is MySQL although PostgreSQL is also possible. Third, you will need certain other supporting programs, primary among them is cron. cron is a program available for the server that runs certain procedures at a periodic interval. So for example, every hour it might send out mail from the Drupal system or every hour it might fetch additional news from another server.
If you don't have these three things, you may be able to get them all in one integrated package. This is known as LAMP, MAMP or WAMP. LAMP stands for Linux, Apache, MySQL and PHP. MAMP stands for the same thing but starting with Mac, and W stands for the same thing starting with Windows. MAMP is available from mamp.info and WAMP is available from www.en.wampserver.com. Although if you go directly to wampserver.com, you should be able to get there by clicking on the appropriate language flag link.
If you don't have all these things there are a number of Drupal consultants out there and you can see a directory of these at drupal.org/drupal-services. You can see a directory of who's available to help you with your Drupal installation by going to drupal.org/drupal-services. If you are unable to install Drupal on a server, there are some Internet service providers who are already hosting Drupal or will let you install it very easily. There is a list of such services at drupal.org/hosting.
As I said earlier, you don't really need that much to run Drupal, and what you don't have now is easy to get whether through a package like MAMP or in the most hands off way possible through the help of experts and hosted services.
Find answers to the most frequently asked questions about Drupal 6 Essential Training .
Here are the FAQs that matched your search "" :
- Q: While following along to the installation instructions in the “Installing WAMP and Drupal on Windows” chapter in the Drupal Essential Training title, an error occurs when attempting to open the local host page. Nothing appears except for an error reading “WAMPSERVER server offline.” What is causing this?
- A: There is a known problem with some versions of WAMP that include a version of PHP (5.3) that some versions of Drupal is not compatible with. See http://tomgeller.com/content/tips-running-drupal-windows-using-wamp#comment-831 for more information.
If that is not causing the issue, reference the tips at http://tomgeller.com/content/tips-running-drupal-windows-using-wamp.
If you don't see the solution at either of those links, try using another AMP stack, such as XAMPP or the Acquia stack installer. See http://tomgeller.com/content/what-hells-wrong-drupal-wamp for discussion about these.
- Q: After installing XAMPP and running Drupal for the first time, the Administration menu does not appear. What is the reason for this?
- A: There are several possible problems. Here are some likely solutions. (These may also solve problems encountered with other AMP stacks.)
- Increase XAMPP's PHP allocation.
- Check to make sure all XAMPP's paths are correct and that permissions are correct. If the database information appears, but not Drupal's supporting files, and an included theme is being used, the supporting files will be in the /modules folder.
- Another solution is to not use WAMP or XAMPP. One option is to use Acquia's Drupal Stack Installer ("DAMP"), which can be found at http://www.acquia.com/downloads. However, that installs Acquia Drupal, which is a version of "normal" Drupal extended with additional modules. If only core Drupal is desired, see the instructions at http://acquia.com/blog/kieran/try-drupal-7-alpha-your-laptop-or-desktop. (The instructions are for Drupal 7, but will work for Drupal 6 as well.)
- Q: In the "Using the example files" movie, the method of importing information to the database is shown, using the backup in Chapter 10. When attempting to do this, the following error is shown: "No data was received to import. Either no file name was submitted, or the file size exceeded the maximum size permitted by your PHP configuration. See FAQ 1.16." The system is running the latest versions of Apache, PhP and MySQL, on Windows Vista. What could be causing the problem?
- A: This is probably caused because your AMP stack allocates too little memory to PHP.
That's especially true if you're using WAMP, which only gives PHP 2MB of memory, when it really needs at least 16MB.You'll see the issue if you go to the MySQL-controlling phpMyAdmin screen (probably at http://localhost/phpMyAdmin) and click "Import": The maximum file size allowed is 2,048K. That's only 2MB, and the databases for most Drupal sites are much larger than that. (The example site for Drupal Essential Training gets as big as 5MB.) The video "Installing WAMP and Drupal on Windows" shows (at around 3:30) where the php.ini file is, but here are some more-complete instructions to increase that memory limit.
- Click the WAMP icon in your system tray.
- Select "PHP". In the side menu, select "php.ini" to open a file containing PHP's configuration options.
- Search for the line, "upload_max_filesize = 2M".
- Change it to "upload_max_filesize = 32M" (or whatever you like).
- Save the file and restart WAMP. (Better yet, restart your computer entirely to be sure. I'm frankly not sure whether it makes a difference.)
- Now go back to that "Import" screen in phpMyAdmin: You should notice that the limit has changed.
- Q: I don't remember the default username and password used demonstrate Drupal.
- A: The default username used in the course is "admin"; the default password is "booth".
- Q: How can I change Drupal's administrative username and password?
- A: If for some reason the default exercise file username (admin) and password (booth) don't work, you can change them in the database itself using phpMyAdmin. (This technique is demonstrated in a video from Chapter 8, "Recovering from disasters".)
- Open your Drupal database with phpMyAdmin.
- Go to the "users" table. Click the Browse icon.
- For the row where uid = 1, click the Edit icon. (Note the value under the "Name" column: That's the administrator's username.)
- In the "pass" row, select "MD5" under the "Function" column
- In the same row, enter your new password under the "Value" column.
- At the bottom of the screen, click the "Go" button. You should now be able to log in with that username and new password.
- Q: In Windows Vista, the WAMP icon disappears from the system tray after a certain amount of time. How do I get it to reappear?
- A: To make the WAMP icon reappear (so that you can access localhost, phpmyadmin, php.ini, etc.), you have to activate the "start WAMP server" icon (from start menu, desktop or wherever). The system tray icon will reappear.
- Q: My .htaccess file disappeared. What caused this?
- A: A few times during the Drupal Essential Training video series, the instructor says to copy a Drupal installation by selecting all the files in the folder and then "dragging and dropping" them, either to a server or another location on your local computer. This is not the best way to do so, as the hidden file ".htaccess" will not be copied.
There are two ways to get around that problem:
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- When installing Drupal for the first time: Instead of copying files from the Drupal folder, move the entire folder to its target location and rename it. This is the easiest solution for those without experience with Unix.
- Use the command-line interface to copy the .htaccess file.
- Q: In the video, the instructor says the current version of Drupal is 6.3, but on the drupal.org site, the latest version is 6.17. Which is the newer version of Drupal?
- A: Drupal 6.17 is newer than version 6.3. For some reason, the the version numbers go 6.3, 6.4... 6.9, 6.10... 6.17. It’s counter-intuitive, but that’s the order.
- Q: My WAMP phpMyadmin will not allow me to upload the exercise files. It returns this message: "No data was received to import. Either no file name was submitted, or the file size exceeded the maximum size permitted by your PHP configuration. See FAQ 1.16." There was no previous database to drop, so what do I need to do to make this work?
- A: This is a common problem, caused not by Drupal, but by WAMP. WAMP only allows you to upload files of 2MB or smaller, which is much too small. The solution is detailed at http://tomgeller.com/cant-import-a-drupal-site-in-windows.
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