Hello World: Error

Jerrold Clint Balansi jcx4ever at gmail.com
Wed May 2 13:24:04 PDT 2012 

Hello,
I created a new user. Here's what I got.

[jcx at vizwall jcX Files]$ ldd ./HelloX
        libX11.so.6 => /usr/lib64/libX11.so.6     (0x00000033efe00000)
        libc.so.6 => /lib64/libc.so.6 (0x00000033eda00000)
        libXau.so.6 => /usr/lib64/libXau.so.6 (0x00000033f0600000)
        libXdmcp.so.6 => /usr/lib64/libXdmcp.so.6 (0x00000033f0200000)
        libdl.so.2 => /lib64/libdl.so.2 (0x00000033ee200000)
        /lib64/ld-linux-x86-64.so.2 (0x00000033ed600000)
[jcx at vizwall jcX Files]$

BTW, when you said "start this hellox in an xterm ?" how exactly can i do
that?

Thank you
-jerrold

On Wed, May 2, 2012 at 1:12 AM, walter harms <wharms at bfs.de> wrote:

>
>
> Am 02.05.2012 00:53, schrieb Jerrold Clint Balansi:
> > Thanks for your reply..
> >
> > Here's what I got
> >
> > [root at vizwall jcX Files]# ldd ./HelloX
> >         libX11.so.6 => /usr/lib64/libX11.so.6 (0x00000033efe00000)
> >         libc.so.6 => /lib64/libc.so.6 (0x00000033eda00000)
> >         libXau.so.6 => /usr/lib64/libXau.so.6 (0x00000033f0600000)
> >         libXdmcp.so.6 => /usr/lib64/libXdmcp.so.6 (0x00000033f0200000)
> >         libdl.so.2 => /lib64/libdl.so.2 (0x00000033ee200000)
> >         /lib64/ld-linux-x86-64.so.2 (0x00000033ed600000)
> > [root at vizwall jcX Files]#
> >
> This is good, we are not missing something obvious.
>
>
> >
> > As non-root user.. this is the output.
> >
> > bash-3.2$ ./HelloX
> > Xlib: connection to ":0.0" refused by server
> > Xlib: No protocol specified
> >
>
> That means that you do not have the right to access the server.
> Normally this happens when people do "su" to change the user
> and start a X11 Programm.
>
> Can you login as normal User and start this hellox in an xterm ?
>
> A running xterm will show that your xserver works as expected and
> the hellox should work.
>
> re,
>  wh
>
> > ./HelloX: couldn't connect to X server (null)
> > bash-3.2$
> > bash-3.2$ ldd ./HelloX
> >         libX11.so.6 => /usr/lib64/libX11.so.6 (0x00000033efe00000)
> >         libc.so.6 => /lib64/libc.so.6 (0x00000033eda00000)
> >         libXau.so.6 => /usr/lib64/libXau.so.6 (0x00000033f0600000)
> >         libXdmcp.so.6 => /usr/lib64/libXdmcp.so.6 (0x00000033f0200000)
> >         libdl.so.2 => /lib64/libdl.so.2 (0x00000033ee200000)
> >         /lib64/ld-linux-x86-64.so.2 (0x00000033ed600000)
> > bash-3.2$
> >
> > -jerrold
> >
> > On Tue, May 1, 2012 at 1:23 AM, walter harms <wharms at bfs.de> wrote:
> >
> >>
> >>
> >> Am 30.04.2012 22:15, schrieb Jerrold Clint Balansi:
> >>> Hi wh,
> >>>
> >>> I did your instruction and it compiled. Here's what I got.
> >>>
> >>> [root at vizwall jcX Files]# make
> >>> cc -Wall    HelloX.c -lX11  -o HelloX
> >>> [root at vizwall jcX Files]# ./HelloX
> >>> X connection to :0.0 broken (explicit kill or server shutdown).
> >>> [root at vizwall jcX Files]#
> >>>
> >>
> >> to be fair, i am confused.
> >>
> >> 1. root at vizwall -> indicates that you are running as root
> >>   you should try things always as USER
> >>
> >> 2. "X connection to :0.0 broken" should appear when the connection
> >>   to the server (== your display) is gone. this happens when you
> >>   have a remote login (do you ?) but :0.0 shows that is the local
> >>   box and from the other mail i see that xclock is working ....
> >>
> >> wild guess ...
> >> could you please check with "ldd ./hellox" is there something missing ?
> >>
> >> my output looks like these:
> >>  ldd ./hellox
> >>        linux-vdso.so.1 =>  (0x00007fffff1ff000)
> >>        libX11.so.6 => /usr/lib64/libX11.so.6 (0x00007f01e385e000)
> >>        libc.so.6 => /lib64/libc.so.6 (0x00007f01e3505000)
> >>        libxcb-xlib.so.0 => /usr/lib64/libxcb-xlib.so.0
> (0x00007f01e3303000)
> >>        libxcb.so.1 => /usr/lib64/libxcb.so.1 (0x00007f01e30e7000)
> >>        libXau.so.6 => /usr/lib64/libXau.so.6 (0x00007f01e2ee3000)
> >>        libdl.so.2 => /lib64/libdl.so.2 (0x00007f01e2cdf000)
> >>        /lib64/ld-linux-x86-64.so.2 (0x00007f01e3b9b000)
> >>
> >> re,
> >>  wh
> >>
> >>> Is there anyting I should know why I'm getting this X connection to
> :0.0
> >>> broken (explicit kill or server .. Thank you.
> >>>
> >>>
> >>> -jerrold
> >>>
> >>>
> >>> On Fri, Apr 27, 2012 at 5:28 AM, walter harms <wharms at bfs.de> wrote:
> >>>
> >>>>
> >>>>
> >>>> Am 24.04.2012 11:51, schrieb Michal Hejduk:
> >>>>> On Monday 23 of April 2012 14:13:28 Jerrold Clint Balansi wrote:
> >>>>>
> >>>>> Hi Julien,
> >>>>> I'm sorry that I'm pretty much new in to this Xlib programming, how
> >>>> exactly
> >>>>> can I do that?
> >>>>>
> >>>>> Thank you for your help.
> >>>>>
> >>>>> -jerrold
> >>>>>
> >>>> hi jerrold,
> >>>> please save the 3 lines below in a file called "makefile", then start
> >> make.
> >>>> Give you have all needed libes it should work the example complies for
> >> me
> >>>> without problems.
> >>>>
> >>>> re,
> >>>>  wh
> >>>>
> >>>> LOADLIBES=-lX11
> >>>> CFLAGS=-Wall
> >>>> hellox:
> >>>>
> >>>>
> >>>>>
> >>>>> On Mon, Apr 23, 2012 at 2:10 PM, Julien Cristau <jcristau at debian.org
> >
> >>>> wrote:
> >>>>>
> >>>>> On Mon, Apr 23, 2012 at 13:55:34 -0700, Jerrold Clint Balansi wrote:
> >>>>>
> >>>>>> Hello,
> >>>>>>
> >>>>>> I am trying to make a Hello World program from code from this site:
> >>>>>> http://www.paulgriffiths.net/program/c/srcs/helloxsrc.html
> >>>>>>
> >>>>>> However, when I try to compile and run it I get this error. Can some
> >>>> give
> >>>>>> me a hint. Thank you.
> >>>>>>
> >>>>>> [root at vizwall Desktop]# gcc -o HelloX HelloX.c
> >>>>>>> /tmp/ccMGGmGj.o: In function `main':
> >>>>>>> HelloX.c:(.text+0x42): undefined reference to `XAllocSizeHints'
> >>>>>
> >>>>>
> >>>>> You need to link with -lX11.
> >>>>>
> >>>>> Cheers,
> >>>>> Julien
> >>>>>
> >>>>>
> >>>>> Compile with:
> >>>>>
> >>>>> gcc -lX11 -o HelloX HelloX.c
> >>>>>
> >>>>> Nazdar
> >>>>> Michal
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> _______________________________________________
> >>>>> xorg at lists.x.org: X.Org support
> >>>>> Archives: http://lists.freedesktop.org/archives/xorg
> >>>>> Info: http://lists.x.org/mailman/listinfo/xorg
> >>>>> Your subscription address: wharms at bfs.de
> >>>> _______________________________________________
> >>>> xorg at lists.x.org: X.Org support
> >>>> Archives: http://lists.freedesktop.org/archives/xorg
> >>>> Info: http://lists.x.org/mailman/listinfo/xorg
> >>>> Your subscription address: jcx4ever at gmail.com
> >>>>
> >>>
> >>
> >
>
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