Heh, I believe there are historical options re -H -h. As a wild guess, i
looked at the sysvinit implementation in Debian (we have removed the
package in Ubuntu) it has this:
-h Halt or power off after shutdown.
-H Modifier to the -h flag. Halt action is to halt or drop into boot
monitor on sys‐
tems that support it. Must be used with the -h flag.
So clear as mud, and i guess the "portable" way is to call "shutdown -h
-H" or something.
RE: scheduling
I guess you could inspect the system from landscape as follows:
- check system has re-execed into systemd init ( [ -d /run/systemd/system ] )
- check that upstart is gone ( UPSTART_SESSION= initctl version )
- poke the dbus interface to see if logind is there and has support for timing
things (probably using busctl
http://manpages.ubuntu.com/manpages/xenial/en/man1/busctl.1.html)
- realise the scheduling will not work
- request shutdown now
Imho, failing to schedule thing to shutdown, should shut the machine
down instantly. Or i should upgrade machine from trusty to xenial; and
like snapshot it; and figure out why scheduling does not work / logind
is not there.
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Touch seeded packages, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/1670291
Title:
Landscape: Upgrade 14.04.5 to 16.04.2 fails unable to reboot
Status in landscape-client package in Ubuntu:
Fix Committed
Status in systemd package in Ubuntu:
Incomplete
Status in landscape-client source package in Xenial:
Confirmed
Status in systemd source package in Xenial:
Incomplete
Bug description:
Used Landscape (Paid Canonical Subscription) to upgrade one of my
machines.
Landscape only shows "In Progress" for more than 8 hours now and asked
for a reboot of the machine in a second alert.
In the reboot attempt I get the message:
=========================
Failed to set wall message, ignoring: Method "SetWallMessage" with signature
"sb" on interface "org.freedesktop.login1.Manager" doesn't exist
Failed to call ScheduleShutdown in logind, proceeding with immediate
shutdown: Method "ScheduleShutdown" with signature "st" on interface
"org.freedesktop.login1.Manager" doesn't exist
=========================
Steps to reproduce:
* Fully updated 14.04.5 machine
* Open Landscape
* Choose the machine
* Choose Packages
* This computer can be upgraded to a newer release
* Apply
* Wait 2 hours
* Alert comes in a seperate Landscape message Machine is ready for reboot
* Choose Info... Power
* Deliver to selected computers as soon as possible
* Error message
I found this thread on reddit about this issue maybe the solution can be
built into the upgrade script
https://www.reddit.com/r/linuxquestions/comments/4wy3go/trying_to_run_as_user_instance_but_the_system_has/
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/landscape-client/+bug/1670291/+subscriptions
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