Ubuntu Server 12.04.1 - problem installing/launching gnome-panel
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I have a virtual machine set up in Virtualbox 4.2.6 where I've installed:
Ubuntu Server 12.04.1 64-bit - I checked the boxes for SSH server and LAMP. After install I typed sudo apt-get install gnome-panel. Now when I try to launch gnome-panel I get the error: Gtk-WARNING **: cannot open display
When I created the VM I had "enable 3d acceleration" - though i have since unchecked it the problem persists.
Ideas? I'd really like a basic GUI to help me administrate this server. Thanks in advance.
To clarify I didnt think they were installed on the guest machine, just on the VirtualBox installation. Ive only installed them once before, it was on backtrack installation (based on ubuntu i think?) - installation was pretty straight forward since it automatically mounted the image and placed an icon on the desktop.
Can anyone give me a rundown of how to check for the media/mount it/run the required commands? Will I have to re-install gnome-panel?
And be sure the guest additions were properly installed. I tried fedora 18 under a VirtualBox VM and when I instaled the guest additions there was an error that was pretty easy to miss. Guest Additions install needs access to dkms, kernel headers, possibly source and the build toolchain. So, at the least under ubuntu you need dkms, kernel-headers-(uname -r) and build-essential.