Installing a Pastebin on Rackspace Cloud Sites is not very difficult. There are various Open Source Softwares available which can be used for this job. Pastebin is a dedicated website for free copy-paste of codes, snippets sharing, mostly for Open Source Software forums.
Options for Installing a Pastebin on Rackspace Cloud Sites
There are various Pastebin variants are available on GitHub.com. All are Open Source and free of cost. In fact Pastebin.com distributes their source code, but probably that is older than the current version. No difficult steps are needed for Installing Pastebin on Rackspace Cloud Sites.
We found this Pastebin fulfills the most needed features. This the most useful and a compromise between features, look and speed.
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Steps for Installing a Pastebin on Rackspace Cloud Sites
Installing a Pastebin on Rackspace Cloud Sites is just like Installing and PHP MySQL software. For security reasons, we will suggest to use a subdomain for Installing a Pastebin on Rackspace Cloud Sites.
Unzip PHP Pastebin on your desktop. Follow the exact steps for creating a subdomain, a database and uploading the content as we described on the guide to Install and Run Shadows Rising RPG Game on Rackspace Cloud Sites. Open the libs folder and edit these two files :

Edit should reflect your settings. And make the cache folder’s permission set to 777. Now you are read for Installing a Pastebin on Rackspace Cloud Sites. If your subdomain’s name is “pastebin” and domain’s name is your-domain.com, Simply point your browser to :
1 | pastebin.your-domain.com/install.php |
Follow the on screen instructions and you will be ready to run a Pastebin.
Note that, if you have WordPress installed on your domain, you can actually use a WordPress Plugin to get some functions of Pastebin. But for security on the Cloud, we will suggest to follow this guide for Installing a Pastebin on Rackspace Cloud Sites.

What advantages are there for using pastebin? I find pastebin links in search results regularly and generally the results are useless since the results are merely a copy and I want to view the source.
There are several reasons. First, in forums, posting ~100+ lines of snippets for discussion forces to scroll down too much or adds pagination. Second, in many cases we need to copy paste again to correct it in next reply. That ultimately makes the thread difficult to browse. Pastebin allows direct copying. Third, many forums, CMS, blogging softwares has no syntax highlighting feature. Like this. Forth, some codes even used within