特殊:Badtitle/NS100:Ubuntu Studio Upgrade from Ubuntu
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Another vector for installing Ubuntu Studio is to "upgrade" from a current Ubuntu install. While it is not difficult it will require some additional modifications of various configurations. Also of note, not all packages need to be installed. One can selectively "upgrade" various components of the Ubuntu Studio meta-packages.
Full Upgrade
To fully "upgrade" a plain, vanilla Ubuntu install to Ubuntu Studio involves installing packages and modifying configurations.
Installing Packages
To install all required Ubuntu Studio meta-packages, enter terminal & type in:
sudo aptitude update && sudo aptitude install ubuntustudio-desktop ubuntustudio-audio ubuntustudio-audio-plugins ubuntustudio-graphics ubuntustudio-video linux-rt
After updating the package list, this will install the following packages:
- Real-time kernel - installs the real-time kernel for low latency
- audio meta-package - install all the Ubuntu Studio audio packages
- graphics meta-package - install all the Ubuntu Studio graphic packages
- video meta-package - install all the Ubuntu Studio video packages
- desktop meta-package - install the Ubuntu Studio desktop, menu and theme
Configuration Modifications
These additional modifications will be required. Note: installing Ubuntu Studio from DVD as a fresh install does not require manual configuration modifications since they will already be configured.
Audio Group
Add yourself to the audio group. If it doesn't exist, create it and add yourself to it.
limits.conf
Open the /etc/security/limits.conf file,
sudo gedit /etc/security/limits.conf
and make sure it says:
@audio - rtprio 99 @audio - nice -19 @audio - memlock unlimited
Selective Upgrade
- Optional: Change the theme to UbuntuStudio. In the Ubuntu menu, select System -> Preferences -> Appearance -> Theme and select UbuntuStudio from the list of themes that is presented to you. Then select System -> Administration -> Login Window, enter your password, and select UbuntuStudio in the list of Login Window themes that is presented to you in the Local tab.
Note: This installs a complete system. If you only want an audio, graphics, or video platform, remove the other respective packages.
temporary information for updating: (do not delete)
- -rt kernel
- limits.conf
- audio group
- jack vs. pulseaudio (configuration?)
http://www.linuxjournal.com/content/judgement-day-studio-dave-tests-ubuntu-studio-904 http://idyllictux.wordpress.com/2009/04/21/ubuntu-904-jaunty-keeping-the-beast-pulseaudio-at-bay/ http://ubuntuforums.org/showthread.php?t=1292506 http://ubuntuforums.org/showthread.php?t=1292510 http://ubuntuforums.org/showthread.php?t=1292512