From 5f583562d714c08b76801b6eccac53ee40590d04 Mon Sep 17 00:00:00 2001 From: Paul Davis Date: Mon, 1 Apr 2013 11:44:17 -0400 Subject: [PATCH] more ubuntu edits --- .../01_ubuntu-linux.html | 61 ++++++++++--------- 1 file changed, 32 insertions(+), 29 deletions(-) diff --git a/_manual/03_setting-up-your-system/08_platform-specifics/01_ubuntu-linux.html b/_manual/03_setting-up-your-system/08_platform-specifics/01_ubuntu-linux.html index 4f45044..e9f187b 100644 --- a/_manual/03_setting-up-your-system/08_platform-specifics/01_ubuntu-linux.html +++ b/_manual/03_setting-up-your-system/08_platform-specifics/01_ubuntu-linux.html @@ -9,7 +9,7 @@ title: Ubuntu Linux 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.) behind it, a defined philosophy and a huge and - worldwide user base.As a result, it is a common platform for people + worldwide user base. As a result, it is a common platform for people who want to use Ardour and other tools for music creation and pro-audio work.

@@ -63,10 +63,7 @@ title: Ubuntu Linux - -

Problems with PulseAudio and JACK Configuration

- -

Problems with the interaction between PulseAudio and JACK

+

Problems with the interaction between PulseAudio and JACK

Background Info
@@ -136,29 +133,35 @@ title: Ubuntu Linux
-

Problems with JACK configuration

+

Problems with JACK configuration

-

- 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 - allowed access to these facilities. By default, Ubuntu does create a - user group that has this permission but ... it does not put new - users into this group by default. Consequently, you will not have - permission to run JACK in the way you should. -

+
+
What is the problem?
+
+

+ 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 + allowed access to these facilities. By default, Ubuntu does create a + user group that has this permission but ... it does not put new + users into this group by default. Consequently, you will not have + permission to run JACK in the way you should. +

+
+
Symptoms
+
+

+ 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. +

+
+
How to fix
+
+

+ Run the command sudo usermod -a -G + audio YOUR-LOGIN-NAME. Then logout and login again. +

+
+
-

Symptoms
- -

- 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. -

- -
How to fix
- -

- Run the command sudo usermod -a -G - audio YOUR-LOGIN-NAME. Then logout and login again. -