How to fix the problem of "Cannot open display"?

[Rainer Müller]

Peng Yu wrote:
> On Sun, Oct 4, 2009 at 10:05 PM, Ryan Schmidt <ryandesign at macports.org> wrote:
>> launchctl load -w /Library/LaunchAgents/org.freedesktop.dbus-session.plist
>>
>> So run that command (not as sudo).
> 
> Here is what I got after running the command that you mentioned.
> What's the problem?
> 
> $sudo port install dbus
> Password:
> --->  Computing dependencies for dbus
> --->  Cleaning dbus
> $ launchctl load -w /Library/LaunchAgents/org.freedesktop.dbus-session.plist
> launchctl: CFURLWriteDataAndPropertiesToResource(/Library/LaunchAgents/org.freedesktop.dbus-session.plist)
> failed: -10
> $ls /Library/LaunchAgents/org.freedesktop.dbus-session.plist
> /Library/LaunchAgents/org.freedesktop.dbus-session.plist

The -w option requires write access to that file what you usually do not
have as a normal user. It is used to remove the Disabled key from the file.

Alternatively you can force the load like this:
$ launchctl load -F /Library/LaunchAgents/org.freedesktop.dbus-session.plist

Rainer