Hello, I created a new user. Here's what I got. [jcx@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@vizwall jcX Files]$ BTW, when you said "start this hellox in an xterm ?" how exactly can i do that? Thank you -jerrold <div class="gmail_quote">On Wed, May 2, 2012 at 1:12 AM, walter harms <<a href="mailto:wharms@bfs.de" target="_blank">wharms@bfs.de</a>> wrote: <blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> Am 02.05.2012 00:53, schrieb Jerrold Clint Balansi: <div class="im">> Thanks for your reply.. > > Here's what I got > > [root@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@vizwall jcX Files]# > </div>This is good, we are not missing something obvious. <div class="im"> > > As non-root user.. this is the output. > > bash-3.2$ ./HelloX > Xlib: connection to ":0.0" refused by server > Xlib: No protocol specified > </div>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 <div class="HOEnZb"><div class="h5"> > ./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 <<a href="mailto:wharms@bfs.de">wharms@bfs.de</a>> 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@vizwall jcX Files]# make >>> cc -Wall HelloX.c -lX11 -o HelloX >>> [root@vizwall jcX Files]# ./HelloX >>> X connection to :0.0 broken (explicit kill or server shutdown). >>> [root@vizwall jcX Files]# >>> >> >> to be fair, i am confused. >> >> 1. root@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 <<a href="mailto:wharms@bfs.de">wharms@bfs.de</a>> wrote: >>> >>>> >>>> >>>> Am <a href="tel:24.04.2012%2011" value="+12404201211">24.04.2012 11</a>: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 <<a href="mailto:jcristau@debian.org">jcristau@debian.org</a>> >>>> 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: >>>>>> <a href="http://www.paulgriffiths.net/program/c/srcs/helloxsrc.html" target="_blank">http://www.paulgriffiths.net/program/c/srcs/helloxsrc.html</a> >>>>>> >>>>>> However, when I try to compile and run it I get this error. Can some >>>> give >>>>>> me a hint. Thank you. >>>>>> >>>>>> [root@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 >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> <a href="mailto:xorg@lists.x.org">xorg@lists.x.org</a>: X.Org support >>>>> Archives: <a href="http://lists.freedesktop.org/archives/xorg" target="_blank">http://lists.freedesktop.org/archives/xorg</a> >>>>> Info: <a href="http://lists.x.org/mailman/listinfo/xorg" target="_blank">http://lists.x.org/mailman/listinfo/xorg</a> >>>>> Your subscription address: <a href="mailto:wharms@bfs.de">wharms@bfs.de</a> >>>> _______________________________________________ >>>> <a href="mailto:xorg@lists.x.org">xorg@lists.x.org</a>: X.Org support >>>> Archives: <a href="http://lists.freedesktop.org/archives/xorg" target="_blank">http://lists.freedesktop.org/archives/xorg</a> >>>> Info: <a href="http://lists.x.org/mailman/listinfo/xorg" target="_blank">http://lists.x.org/mailman/listinfo/xorg</a> >>>> Your subscription address: <a href="mailto:jcx4ever@gmail.com">jcx4ever@gmail.com</a> >>>> >>> >> > </div></div></blockquote></div>