[linrad] Re: svgalib

[<leif@xxxxxxxxxx>]

> I am slowly struggling toward getting Linrad running.  It appears 
> I have it 
> installed with all of the dependencies.  However, when I try to run it, I 
> get the following:
> 
> w5uc@SHOP:/home/linrad$ linrad
> svgalib: Cannot get I/O permissions.
> w5uc@SHOP:/home/linrad$
> 
> Does someone have an idea as to what I need to do to get past this hurdle.

Linrad requires you to be logged in as root.
Preferrably on a terminal and not under X.

With modern distributions it may be difficult for the newcomer
to get into runmode 3 (terminal mode). If you have this problem,
edit the file /etc/inittab and change the initdefault line to:
id:3:initdefault:  (root privileges are needed for the editing)
Then reboot your system and log in as root.
Whenever you want run mode 5 (graphical environment), 
just type startx.


I am aware that running as root is not generally accepted
in the Linux community where focus is on security in
multi-user general purpose systems. Linrad is realtime
(or next to) and it may need access to a parallel port
placed in I/O space where only root can get permission.


If you really want to run as a regular user, it can be
done, but I do not know exactly what to do because personally
I have no interest.

73

Leif / SM5BSZ

 


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