- Ubuntu Linux is the most popular variety of Linux in use on desktop + Ubuntu Linux is the most popular variety of Linux in use on desktop and laptop systems. It has the backing of a for-profit corporation (Canonical Inc.), a defined philosophy and a huge and worldwide user base. As a result, it is a common platform for people @@ -13,7 +13,6 @@ title: Ubuntu Linux
Currently, installing pro audio applications on vanilla Ubuntu requires some configuration, in order for the user to gain realtime privilege @@ -24,9 +23,10 @@ title: Ubuntu Linux on Ubuntu, and like Ubuntu Studio, has these settings preconfigured, while also containing customized versions of Ubuntu packages, which often are more up to date. -
+
There may be unintended differences, and even bugs in Ubuntu native packages, as a result of a different building method. For this reason, Ardour developers highly recommend you to install the official @@ -34,14 +34,13 @@ title: Ubuntu Linux href="http://ardour.org/download">ardour.org, as Ubuntu native packages are not supported in official Ardour forums or other support channels. +
- Like many distributions, Ubuntu has decide to use PulseAudio as the + Like many distributions, Ubuntu has decided to use PulseAudio as the default audio system. PulseAudio is a rich and capable system that provides excellent services for typical users of Linux on the desktop. However, it is not capable of the type of performance that @@ -68,76 +67,72 @@ title: Ubuntu Linux another message, and PulseAudio can once again use the soundcard directly.
-The specific issues known at this time for all flavors of Ubuntu 12.04 and 12.10 are: +
-
These bugs do not affect the upcoming 13.04 release, and earlier releases (12.04 and 12.10) are in the process of being fixed.
-To function as intended, JACK needs to run with access to two - operating system facilities called "realtime scheduling" and "memory - locking". This means that you, the user who starts JACK, must be + operating system facilities called realtime scheduling and + memory locking. This means that you, the user who starts JACK, must be allowed access to these facilities. By default, Ubuntu does create a - user group that has this permission but ... it does not put new + user group that has this permission but — it does not put new users into this group by default. Read more about why here. Consequently, you will not have permission to run JACK in the way you should.
-- A message like "Cannot lock down memory" in the output from JACK as - it starts up. This output may be "hidden" in the Messages window of + A message like Cannot lock down memory in the output from JACK as + it starts up. This output may be hidden in the Messages window of QJackctrl (aka JACK Control), so you should check there.
-
Make sure the file /etc/security/limits.d/audio.conf exists. If it is
named /etc/security/limits.d/audio.conf.disabled, rename it to the former.
- Run the command sudo usermod -a -G
- audio YOUR-LOGIN-NAME. Then logout and login again.
- On Ubuntu Studio the user is a member of audio group by default, but not
- on other official flavors.
+ Run the command
+
+ Then log out and log in again. On Ubuntu Studio the user is a member of audio + group by default, but not on other official flavors.
-Given the difficulties in supporting Ubuntu and the limited time/resources of the Ardour team, the Ubuntu Studio Project has requested that issues and bug reports related to Ubuntu, Ubuntu Studio and other derivitives be directed to them.
Information on the Ubuntu Studio Mailing Lists.
-Information on the Ubuntu Studio IRC channel. #ubuntustudio on irc.freenode.net
+ ++ Given the difficulties in supporting Ubuntu and the limited time/resources + of the Ardour team, the Ubuntu Studio Project has requested that + issues and bug reports related to Ubuntu, Ubuntu Studio and other + derivitives be directed to them. +
+Information on the Ubuntu Studio Mailing Lists.
+Information on the Ubuntu Studio IRC channel. #ubuntustudio on irc.freenode.net