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I was recently setting up a localhost environment with Ubuntu 11 and after adding all of my needed VirtualVost directives I found that I could start/restart the server but that I found the following error when trying to start the server.

I've been using my Medion Akoya E1222 netbook for about a year now and I still think it's an awesome little machine. Recently, I decided to swap from Ubuntu to another Linux distro and have been experimenting with Fedora, JoliOS, PuppyLinux before finally going for OpenSuSE. The only problem I had was figuring out how to get the wireless card working.

A useful technique to know about when using Linux is to run commands in the background. Sometimes certain commands can either take a while (like copying a large file) or will simply take over the terminal window when run. For example, lets say that you open a file in gedit, you might use the following command.

Getting started with SVN on Ubuntu takes only a few minutes, and enabling web access to the repository is also very straightforward.

First (in order to actually serve the files) you need to install Apache, open up a terminal window and run the following command. This will ensure that Apache is installed if you unselected it for some reason during the install.

If you are part of a company the chances are that you have either set up or are aware of a backup policy for your data. However, even if you are not then you might have the need to backup certain items to a DVD drive.

The following shell command uses the find function to find all files in or below the current directory that have the extension php. It then passes each file found onto a sed command which then replaces all <? with the longer <?php version.

find . -name '*.php' -exec sed -ie 's#<?#<?php#' {} \;

The -name argument in find will look at the base of the file name, that is, the file without any directory path. The -exec command is used to pass each file found onto another command, in this case sed is used.