here is a list of handy Ubuntu Linux DVD backup tools:

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There is a very simple command that reinstalls all the distribution packages and reconfigures them automatically. This is particularly helpful when you have done a partial upgrade and eventually have broken the system dependencies tree.

sudo dpkg-reconfigure -phigh -a

since this command would take a lot of time to process (~1 hour) depending on your hardware in case you have a minor dependency problem you can fix it via

sudo apt-get install -f

sudo dpkg-reconfigure -phigh -a

“bash: ./configure: /bin/sh: bad interpreter: Permission denied” error commonly occurs  when you have wrong options set in /etc/fstab and are trying to compile some code.

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Tags: fix

xset is an X.org command line utility. A bunch of interesting things can be done with it:

Tweak the mouse sensitivity or accelleration on the fly

xset m (accelleration value)

Turn the system bell off temorarly

xset b off

Manually switch off the display / Force the display to go on standby now

xset dpms force standby (or suspend or off)

Manually activate the screen-saver

xset s activate

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There are controversial statements concerning the compatibility of Intel WiMax 5350 Pci-Express card with HP Pavilion laptops.

I haven’t tested it myself yet, however if you had the chance to please drop a note!

Apparently the main reason why most of the cards out there are not compatible with HP and Dell computers is due to an explicit restriction emerging from an agreement between Intel and these manufacturers to allow the installation of Centrino qualified WiFi card only. I managed to find clues about those two manufacturers, however I cannot say whether it also applies to others.
It would also be interesting to figure out since when HP started putting such burden on users ability to customize their computers. Sounds like Trusted Computing / TrustedCore in action, isn’t it?

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To personalize folder icons in windows create a file named desktop.ini in the target folder, then open it and paste these strings:

[.shellclassinfo]
iconfile="file.ico"
infotip="infotip"

where file.ico is the path and filename of the folder icon and infotip is a caption you could add to be seen when the mouse hovers the folder.

Open Source CMS (Content management system) creation with Joomla!

The system includes features such as page caching to improve performance, RSS feeds, printable versions of pages, news flashes, blogs, polls, website searching, and language internationalization.

It is written in the PHP programming language and uses the MySQL database system to store information.

• Joomla! CMS

plugins for Joomla!:

• Linkr
• Article Link
• GoogleMap
• Agora Forum
• AllVideos Reloaded
• Attachments for content articles

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Here is how to tweak GNOME gconf-editor parameters from the command line

Use the model (this should be all on the same line!):

gconftool-2 --direct --config-source
xml:readwrite:/etc/gconf/gconf.xml.mandatory
--type Boolean --set /apps/path/to/key True

Some HP Pavilion standard 6 cells batteries apparently use the same ID of 12 cells batteries. This would lead GNOME to display the following notification at every login:

Battery may be broken
Your battery has a very low capacity 48% which means that it may be old or broken.

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Tags: fix

With the Network-Manager shipped along with Ubuntu Karmic 9.10 is impossible to connect to any DSL Provider that has been manually set. To get back this feature you have to upgrade to the latest Network-Manager provided by the maintainers PPA:

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Tags: fix