One of the most used multimedia player today is VLC Player, a multimedia player with many advanced features.
It could happen that some movies are not synchronized with subtitles, or video is not synchronized with audio output. In the worst scenario you could have a movie with unsynchronized audio, video and subtitle ;)
here are many applications run by default or maybe some of you want to set applications that will run automatically when Ubuntu starts. Here is how to set, change or remove startup applications in Ubuntu 12.04
Ubuntu 12.04 has an application to configure startup programs and it's called, totally unexpected - "Startup Applications" (or gnome-session-properties)
It is very annoying to manually change page sides whan you want to print on both sides.
On Windows XP and Vista that have Plug and Play Print Driver Package HP drivers installed, there is an easy to find option (Two-sided Printing) under Print > Preferences > Printing Shortcuts tab.
Free and open source ad server OpenX is very easy to upgrade in last versions following the procedure below:
1) Login to your OpenX ad server instance
2) In upper right corner for "Working as..." choose Administrator account
If OpenX database is large, upgrading could make it even larger because of creating data backup.
Starting from OpenX v2.4 the upgrade wizard will create a backup for each table affected by the changes. In order to prevent OpenX upgrade wizard from creating backups create empty file NOBACKUPS in "/var" directory, the full path should be "/var/NOBACKUPS".
Consider that although the backups are created during upgrading process this step is not replacement for creating a full system backup before the upgrade process begins.