On 5/17/2014 2:57 PM, brendanperrine wrote:
On Sat, 17 May 2014 14:37:38 -0400
John Hupp <lubu...@prpcompany.com> wrote:
Some fresh experiences today:
I booted the laptop, manually ran just "update-notifier" from the
terminal (and yes, I did forget to add " &"), and Software Updater
appeared almost immediately to offer a big batch of updates.
Rather inexplicable, but running with it just to see what would happen,
I rebooted without installing anything, added update-notifier to Default
applications for LXSession: Autostart tab, and rebooted again. The
update-notifier changelog indicates that it is supposed to poll every
180 seconds. For good measure I gave it 10 minutes, but Software
Updater did not appear. I rebooted 10 times and waited 10 minutes each
time, all with the same no-show results.
I also booted the desktop on which I installed 14.04 a couple days ago.
I did not manually run update-notifier but instead set up the
update-notifier workaround in Default applications for LXSession. I
rebooted and *Software Updater almost immediately offered 140+ MB of
updates*, which I installed.
Back on the laptop, I gave it an Ethernet connection and rebooted 5 more
times, waiting 10 minutes each time. Still no updates offered.
I removed the update-notifier entry from Default applications for
LXSession: Autostart, pulled the Ethernet plug, switched the WiFi back
on, and rebooted. I ran "update-notifier &" from a terminal and waited
10 minutes. No results. I did this 5 times.
Then I did the same as above but ran "dbus-launch update-notifier &"
instead. I did this 3 times with no results.
------------------------------------------------------------------------
The only hypothesis I can see from the above is that
update-notifier/manager will offer the updates once (per day?), and if
you don't install them it will not offer them again.
Could this be?
I think in software and updates from the menu is set to check daily by default.
I see that now, and that may be the simple and good explanation for what
appeared to be bad behavior. Though update-notifier runs as a daemon
and polls every 180s, it is update-manager that actually offers the
updates, so clearly there is some mechanism between them (which I have
asked about here before).
Software-properties-gtk (aka Preferences: Software & Updates) is
supposed to "manage the repositories that you install software from,"
and its manpage describes it simply as a software sources list editor,
but via its Updates tab it also seems to govern update-notifier/manager.
Since it cannot be set to check more often than daily, it looks like
I'll have to wait until tomorrow to confirm whether it works, but I'll
manually add update-notifier back to the Autostart list.
If that succeeds, then there really is no deep problem, only the problem
with /etc/xdg/autostart that also affects nm-applet, etc., for which we
have the workaround (and for which a true fix is in the works).
Thanks, Brendan!
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