On 11/18/2013 7:59 PM, John Hupp wrote:
On 11/18/2013 5:40 PM, John Hupp wrote:
On 11/18/2013 4:52 PM, Federico Leoni wrote:
2013/11/18 John Hupp lubu...@prpcompany.com
mailto:lubu...@prpcompany.com:
When understanding broke upon me today concerning LXSession's default
setting (in 13.10) of 'disable_autostart=config-only' (rather than
'disable_autostart=no'), I changed it to NO and immediately solved a
weeks-old problem with SpiderOak Backup not auto-starting.
But this change triggered a new problem: There are two instances of
nm-applet running. Both instances work and yield the same
information.
Since I had set disable_autostart=no in both
/etc/xdg/lxsession/Lubuntu/desktop.conf and in
~/.config/lxsession/Lubuntu/desktop.conf, I considered it possible
(though
unexpected) that this was causing two instances to autostart, but
setting
disable_autostart=config-only once again in
/etc/xdg/lxsession/Lubuntu/desktop.conf did not solve the problem.
The obvious questions: What happened? How can I fix it?
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John,
you need to disable network from Prefereces--Desktop
Session Settings.
F.
That sort of works.
As Julie Lavergne noted today in a post with Subject: 'Back on 13.10
release,' lxsession-edit (Preferences: Desktop Session Settings) has
been removed from 13.10. It has been replaced by
lxsession-default-apps (Preferences: Default Applications for
LXSession). I think you and I had some previous exchange on this topic.
But the layout and functionality of lxsession-default-apps seem
confusing. You might think that its Autostart tab was intended to
replace lxsession-edit's functionality, but as far as I can tell so
far, it's major function is to disable/enable whole classes of
autostarting apps. There seems to be a provision for manually adding
and controlling single apps, but there is no pre-populated list as
there was with lxsession-edit.
In any case, on the Running Applications tab, I edited Network GUI:
nm-applet and set that to NO. This results in only one instance of
nm-applet running for that user. The edit must be repeated for all
users. [There is undoubtedly a global configuration that would fix
that, but it does not seem to be achievable through the GUI, and I
have not found documentation for accomplishing that directly in a
configuration file.]
But I still don't know where the other instance of nm-applet is
launching from. /etc/xdg/lxsession/Lubuntu/autostart is empty, as is
~/.config/lxsession/Lubuntu/autostart. And there is no *.desktop
entry for nm-applet in the ~/.config/autostart folder.
After some further research, I found that the still-enabled instance
of nm-applet is auto-starting from /etc/xdg/autostart/Network.desktop.
But I also found that /etc/xdg/lxsession/Lubuntu/autostart and
~/.config/lxsession/Lubuntu/autostart are both empty files. So in
lxsession-default-apps, when I set changed Network GUI from nm-applet
to 'no', what was it writing that setting to?
I don't have a full grasp of this, but now know another piece of the
puzzle. I already understood that LXSession will autostart apps from
these locations:
/etc/xdg/lxsession/Lubuntu/autostart (command file)
~/.config/lxsession/Lubuntu/autostart (command file)
/etc/xdg/lxsession/Lubuntu/autostart (autostart directory
containing *.desktop files)
~/.config/autostart (autostart directory containing *.desktop files)
But now I understand that the new LXSession tools will also autostart
many apps from these conf files:
/etc/xdg/lxsession/Lubuntu/desktop.conf
~/.config/lxsession/Lubuntu/desktop.conf (this is the more
important file and takes precedence in case of conflicting entries)
With some of the apps that may be started via desktop.conf, there is an
autostart option to control whether or not the app autostarts. But in
the case of the network manager GUI, if a command is specified (e.g.
network_gui/command=nm-applet), it autostarts -- there is no option not
to have it do so.
Lxsession-default-apps (aka menu Preferences: Default Applications for
LXSession) reads-from/writes-to
~/.config/lxsession/Lubuntu/desktop.conf, so settings made this way are
per-user.
Some important info sources:
http://wiki.lxde.org/en/LXSession
http://standards.freedesktop.org/autostart-spec/autostart-spec-0.5.html
(LXSession supports these additional autostart methods)
http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
(explanation of the relevant environment variables)
http://lxde.git.sourceforge.net/git/gitweb.cgi?p=lxde/lxsession;a=blob;f=data/desktop.conf.example;hb=HEAD
(sample desktop.conf detailing all options)
