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I’ve ever installed VMWare Server on my Ubuntu server. Now I want to uninstall it. This can be done by opening a terminal and type the following command.

Hope it is helpful to anyone who has the same problem.

I have installed a support ticket system with captcha enabled and everything works well except the captcha images does not display.

It seems that the GD Graphics Library does not configured with PHP by default. However Ubuntu comes with package called php5-gd. Just type following command to install this module:

And then restart Apache

OTRS is an open-source Issue tracking system software package which a company, organisation or institution can use to assign tickets to incoming queries, thereby greatly facilitating the handling of support requests and other customer traffic. The most exciting is it is already contained in the Ubuntu package repositories. Installing OTRS is easy as 1-2-3!

1. Install OTRS package and dependencies:

2. Copy the file /etc/otrs/apache2-httpd.include.conf to /etc/apache2/conf.d.

3. Restart Apache service:

4. Use the following address to access the web installer, then follow the steps and setup the system.

5. Restart Apache again:

That’s all. Now, you can visit admin interface at http://localhost/otrs/index.pl, and customer interface at http://localhost/otrs/customer.pl.

Canonical and Sun Expand Joint Ubuntu/Sun Presence in the Enterprise and Open Source Communities ? Sun Microsystems, and Canonical, the commercial sponsor of the rapidly-growing Ubuntu GNU/Linux distribution, have announced that the open-source Java Enterprise Edition 5 application server (specifically, the GlassFish Community reference implementation) will be made available on the widely popular Ubuntu operating system.

Red Hat offers a worldwide Red Hat Academy program for high schools and higher education to teach students the most practical and relevant Linux and open source skill sets. Red Hat Academy assures students truly understand the content by deploying the only 100% web-delivered Linux curriculum with hands-on assignments and performance-based assessments.