Re: No protocol specified error

[Lokesh Chakka <lvenkatakumarchakka gmail com>]

okay...
after some more search I found here
<https://wiki.archlinux.org/index.php/wayland>

xhost si:localuser:root

is doing the job.

But is there a way to achieve this programatically in C language ?



Thanks & Regards
--
Lokesh Chakka,
Mobile: 9731023458

On Sat, Nov 4, 2017 at 2:53 PM, Lokesh Chakka <lvenkatakumarchakka gmail com
> wrote:

> Hello,
>
> To add, I found gksudo might be helpful.
>
> I found issue mentioned here:
> https://bugs.launchpad.net/ubuntu/+source/ubuntu-themes/+bug/1723422
> and work around
> https://bugs.launchpad.net/ubuntu/+source/sane-backends/+
> bug/1724078/comments/4
>
> after that, I found the following issue:
> https://ubuntuforums.org/showthread.php?t=1803102
>
> but now if I do "gksudo ./a.out" it is just exiting without any message or
> log. If I use "gksudo gdb ./a.out" and try to run, cursor is just blinking
> and nothing is showing up.
>
>
>
>
> Thanks & Regards
> --
> Lokesh Chakka,
> Mobile: 9731023458
>
> On Sat, Nov 4, 2017 at 11:38 AM, Lokesh Chakka <
> lvenkatakumarchakka gmail com> wrote:
>
> > Dear Felipe,
> >
> > I have refereed the link. As the application I am writing needs root
> > privileges, I must use sudo ./a.out. No other option.
> >
> > Dear Bruggemann,
> >
> > I have gone through zenmap as suggested by you. But it is not going to
> > work as zenmap itself is failing to launch.
> >
> > =============================
> > $ sudo zenmap
> > No protocol specified
> > No protocol specified
> > Traceback (most recent call last):
> >   File "/usr/bin/zenmap", line 181, in <module>
> >     import zenmapGUI.App
> >   File "/usr/lib/python2.7/dist-packages/zenmapGUI/App.py", line 157, in
> > <module>
> >     import gtk
> >   File "/usr/lib/python2.7/dist-packages/gtk-2.0/gtk/__init__.py", line
> > 69, in <module>
> >     _init()
> >   File "/usr/lib/python2.7/dist-packages/gtk-2.0/gtk/__init__.py", line
> > 57, in _init
> >     warnings.warn(str(e), _gtk.Warning)
> > gtk.GtkWarning: could not open display
> > =============================
> >
> >
> > I am absolutely stuck now. Can some one please help me how to tackle this
> > issue ?
> >
> >
> >
> >
> > Thanks & Regards
> > --
> > Lokesh Chakka,
> > Mobile: 9731023458
> >
> > On Sun, Oct 22, 2017 at 10:22 PM, Felipe Borges <felipe10borges gmail com
> > > wrote:
> >
> > > whatever man
> > >
> > > On Sat, Oct 21, 2017 at 2:25 AM, David Margerison
> > > <deltam electrosonics com au> wrote:
> > > > On 20 October 2017 at 22:33, Felipe Borges <felipe10borges gmail com>
> > > wrote:
> > > > > Running GUI applications as root is hardly discouraged.
> > > >
> > > > The English language can be surprising, so I write this short note to
> > > help
> > > > avoid confusion.
> > > >
> > > > 400 years ago, your sentence above would be correct. But the meaning
> > > > of the word "hardly" has changed over time.
> > > >
> > > > In modern language, your sentence above means: running GUI applications
> > > > as root is discouraged only a small amount.
> > > >
> > > > (I suspect that is the opposite of what you wanted to say).
> > > >
> > > > Because these days "hardly" means "not very much".
> > > >
> > > > If a glass of water is almost empty, we can say: there is hardly any
> > > > water there.
> > > >
> > > > The word "hardly" has lost its original connection to the word "hard".
> > > >
> > > > So I would write that sentence as:
> > > >   Running GUI applications as root is severely discouraged.
> > > > or
> > > >   Running GUI applications as root is strongly discouraged.
> > > > _______________________________________________
> > > > gtk-app-devel-list mailing list
> > > > gtk-app-devel-list gnome org
> > > > https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
> > > _______________________________________________
> > > gtk-app-devel-list mailing list
> > > gtk-app-devel-list gnome org
> > > https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list