As a temporary patch, you could set this to /etc/profile:
export XDG_RUNTIME_DIR="/run/user/$UID"
** Also affects: sudo (Debian)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1548300
Title:
XDG_RUNTIME_DIR not set when using sudo -i
Status in sudo:
New
Status in sudo package in Ubuntu:
Confirmed
Status in sudo package in Debian:
New
Bug description:
According to the man page `sudo -i` will run the command with an
environment "similar" to the one a user would receive at log in.
When trying to use tools that use D-Bus, specifically: systemctl
--user, it will be impossible to control them via sudo.
While there is a workaround; setting the XDG_RUNTIME_DIR manually,
this means any configuration change that causes the XDG_RUNTIME_DIR to
change will have to be applied in several locations.
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