Schedule unattended-upgrades once per month

mian.hou at mian.hou at
Mon Jul 11 12:55:13 UTC 2016

Hi systemd experts here:

     I'd like any advice/clue regarding scheduling apt automatic 
update/upgrade and the possibility of bellow request:

     The current largest interval between 2 scheduled update/upgrade is 
"every two weeks", is it possible to set the schedule to be monthly? for 
example, make apt automatic update/upgrade only happen once on the 5th 
of each month?

     Seems I can use systemd and apt-daily.timer to let apt automatic 
update/upgrade happen multiple times each day, but apt-daily.timer 
cannot override the daily apt update/upgrade with a less frequency such 
as once per month.


Canonical Support and Technical Services
Email: mian.hou at
Mobile: +86 139 1138 6220
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