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 <lvenkatakumarcha...@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 < > lvenkatakumarcha...@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 <felipe10bor...@gmail.com >> > wrote: >> >>> whatever man >>> >>> On Sat, Oct 21, 2017 at 2:25 AM, David Margerison >>> <del...@electrosonics.com.au> wrote: >>> > On 20 October 2017 at 22:33, Felipe Borges <felipe10bor...@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 >>> >> >> > _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list