You aren't logged into X as root. Start pgadmin3 as the user you're logged in as.
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On Jan 1, 2012, at 1:14 AM, badaveil <badaveil@gmail.com> wrote:
> (Newbie here)
>
> 1. I successfully installed Ubuntu server 32 bit on my computer.
> 2. Then I installed PostgreSQL and PgAdmin3, I believed they were
> successfully installed.
> 3. After I typed "pgadmin3" in the terminal, it replied "Unable to
> initialize gtk, is DISPLAY set properly?" said gtk was not installed so...
> 4. I looked up search here and Castet JQ Feb,10,2009 advised "$ export
> DISPLAY=:0.0"
> 5. I typed that command minus $, entered and root@server command line came
> out so I believe it was successfully installed.
> 5. After that, I typed "pgadmin3" in the terminal but it still replied
> "Unable to initialize gtk, is DISPLAY set properly?"
>
> Please advise
>
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