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How can you allow only one user to access the display by xhost?

sudo xhost masi is not working in my fresh Ubuntu 9.10.

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what is the output? –  John T Dec 20 '09 at 21:44
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2 Answers 2

up vote 3 down vote accepted

Basically the same as John T, but you could add inet or local to the command

xhost +inet:masi@
xhost +local:masi@
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+1 -- Adding the @ sign fixed it for me: xhost +masi@. Not sure why this tidbit isn't in the man page... –  redmoskito Nov 21 '10 at 20:04
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First, restrict X server access to those who aren't on the list:

sudo xhost -

then add yourself to the allow list:

sudo xhost +masi
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It gives me xhost: bad hostname "masi" although my admin user is masi. –  Masi Dec 21 '09 at 13:22
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