Public bug reported:
Any application that needs to run with elevated privileges fails to
launch on artful (17.10) desktop.
Whether it's run from a terminal with sudo (e.g. "sudo gnome-terminal")
or directly from the GUI icon by clicking on the application itself
(e.g. launch "Synaptic Package Manager" from the application list and
then enter your password) the same behavior happens: Application does
not run.
If doing this from a terminal, the resulting error message is:
Unable to init server: Could not connect: Connection refused
Failed to parse arguments: Cannot open display:
As a workaround, running "xhost +" from a terminal before allows all
elevated privileges apps to now run. But this isn't helping apps that
need to run at start of graphical environment and for which opening a
terminal manually before to type "xhost +" isn't feasible.
This is a regression since 17.04.
** Affects: desktop-base (Ubuntu)
Importance: Undecided
Status: New
** Package changed: synaptic (Ubuntu) => desktop-base (Ubuntu)
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https://bugs.launchpad.net/bugs/1727183
Title:
Executing commands through sudo or equivalent doesn't work
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