Re: mounting CDs? and emacs under SU?
On Sun, 2 Sep 2001, Peter Christensen wrote:
> I'm still learning about the basics of Linux, so please excuse a very
> basic question: If I want to access a CD do I need to add a line to
> /dev/cdrom /cd iso9660 ro,user,noauto,unhide
> and then under superuser type:
> mount -t iso9660 /dev/cdrom /cdrom
You don't need to be root to mount a CD, the user in your fstab line says
> to replace it. Now that I've reloaded Linux I can't edit /etc/fstab
> with emacs. Emacs works OK with a normal signon, but under SU I get the
> following messages:
> Xlib: connection to ":0.0" refused by server
> Xlib: Invalid MIT-MAGIC-COOKIE-1 key
> emacs: Cannot connect to X server :0.0
> check the display environment variable or use "-d"
> Also use the 'xhost' program to verify that it is set to permit
> connections from your machine
Under X Emacs opens in a different envirnment with menus and mouse usage.
You can either go to a text konsole with Ctrl+Alt+Fn (where n is 1-6) and
switch back to X with Alt+F7, login as root and edit fstab. The other way
is to allow root to connect to your X server, see man X and man xhost.
> So... two questions: Do I always need to type the full mount command,
> or is there a shortcut for this? And how can I get emacs to work under
> Peter Christensen